|
428
|
1 /* Asynchronous subprocess implementation for Win32
|
|
|
2 Copyright (C) 1985, 1986, 1987, 1988, 1992, 1993, 1994, 1995
|
|
|
3 Free Software Foundation, Inc.
|
|
|
4 Copyright (C) 1995 Sun Microsystems, Inc.
|
|
2367
|
5 Copyright (C) 1995, 1996, 2000, 2001, 2002, 2004 Ben Wing.
|
|
428
|
6
|
|
|
7 This file is part of XEmacs.
|
|
|
8
|
|
|
9 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
10 under the terms of the GNU General Public License as published by the
|
|
|
11 Free Software Foundation; either version 2, or (at your option) any
|
|
|
12 later version.
|
|
|
13
|
|
|
14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
17 for more details.
|
|
|
18
|
|
|
19 You should have received a copy of the GNU General Public License
|
|
|
20 along with XEmacs; see the file COPYING. If not, write to
|
|
|
21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
22 Boston, MA 02111-1307, USA. */
|
|
|
23
|
|
|
24 /* Written by Kirill M. Katsnelson <kkm@kis.ru>, April 1998 */
|
|
|
25
|
|
771
|
26 /* Mule-ized as of 8-6-00 */
|
|
|
27
|
|
2367
|
28 /* Major comment about parsing and/or constructing a command line taken
|
|
|
29 from Windows, or suitable for giving to one of the library routines that
|
|
|
30 calls a subprocess is in win32-native.el */
|
|
|
31
|
|
428
|
32 #include <config.h>
|
|
|
33 #include "lisp.h"
|
|
|
34
|
|
442
|
35 #include "console-msw.h"
|
|
2367
|
36 #include "events.h"
|
|
428
|
37 #include "hash.h"
|
|
|
38 #include "lstream.h"
|
|
|
39 #include "process.h"
|
|
|
40 #include "procimpl.h"
|
|
|
41
|
|
558
|
42 #include "sysfile.h"
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|
|
43 #include "sysproc.h"
|
|
859
|
44 #include "syssignal.h"
|
|
428
|
45
|
|
442
|
46 /* Bound by win32-native.el */
|
|
|
47 Lisp_Object Qmswindows_construct_process_command_line;
|
|
|
48
|
|
428
|
49 /* Arbitrary size limit for code fragments passed to run_in_other_process */
|
|
|
50 #define FRAGMENT_CODE_SIZE 32
|
|
|
51
|
|
|
52 /* Implementation-specific data. Pointed to by Lisp_Process->process_data */
|
|
|
53 struct nt_process_data
|
|
|
54 {
|
|
|
55 HANDLE h_process;
|
|
442
|
56 DWORD dwProcessId;
|
|
|
57 HWND hwnd; /* console window */
|
|
853
|
58 int selected_for_exit_notify;
|
|
428
|
59 };
|
|
|
60
|
|
442
|
61 /* Control whether create_child causes the process to inherit Emacs'
|
|
|
62 console window, or be given a new one of its own. The default is
|
|
|
63 nil, to allow multiple DOS programs to run on Win95. Having separate
|
|
|
64 consoles also allows Emacs to cleanly terminate process groups. */
|
|
|
65 Lisp_Object Vmswindows_start_process_share_console;
|
|
|
66
|
|
|
67 /* Control whether create_child cause the process to inherit Emacs'
|
|
|
68 error mode setting. The default is t, to minimize the possibility of
|
|
|
69 subprocesses blocking when accessing unmounted drives. */
|
|
|
70 Lisp_Object Vmswindows_start_process_inherit_error_mode;
|
|
|
71
|
|
771
|
72 #define NT_DATA(p) ((struct nt_process_data *)((p)->process_data))
|
|
428
|
73
|
|
|
74 /*-----------------------------------------------------------------------*/
|
|
|
75 /* Process helpers */
|
|
|
76 /*-----------------------------------------------------------------------*/
|
|
|
77
|
|
853
|
78 /* These break process abstraction. Prototypes in console-msw.h,
|
|
|
79 used by select_process method in event-msw.c.
|
|
|
80
|
|
|
81 If called the first time on a process, return the process handle, so we
|
|
|
82 can select on it and receive exit notification. "First time only" so we
|
|
|
83 don't select the same process multiple times if someone turns off and on
|
|
|
84 the receipt of process data. */
|
|
|
85
|
|
|
86 HANDLE
|
|
|
87 get_nt_process_handle_only_first_time (Lisp_Process *p)
|
|
|
88 {
|
|
|
89 if (NT_DATA (p)->selected_for_exit_notify)
|
|
|
90 return INVALID_HANDLE_VALUE;
|
|
|
91 NT_DATA (p)->selected_for_exit_notify = 1;
|
|
|
92 return (NT_DATA (p)->h_process);
|
|
|
93 }
|
|
|
94
|
|
428
|
95 HANDLE
|
|
440
|
96 get_nt_process_handle (Lisp_Process *p)
|
|
428
|
97 {
|
|
|
98 return (NT_DATA (p)->h_process);
|
|
|
99 }
|
|
442
|
100
|
|
|
101 static struct Lisp_Process *
|
|
|
102 find_process_from_pid (DWORD pid)
|
|
|
103 {
|
|
|
104 Lisp_Object tail, proc;
|
|
|
105
|
|
|
106 for (tail = Vprocess_list; CONSP (tail); tail = XCDR (tail))
|
|
|
107 {
|
|
|
108 proc = XCAR (tail);
|
|
|
109 if (NT_DATA (XPROCESS (proc))->dwProcessId == pid)
|
|
|
110 return XPROCESS (proc);
|
|
|
111 }
|
|
|
112 return 0;
|
|
|
113 }
|
|
|
114
|
|
428
|
115
|
|
|
116 /*-----------------------------------------------------------------------*/
|
|
|
117 /* Running remote threads. See Microsoft Systems Journal 1994 Number 5 */
|
|
|
118 /* Jeffrey Richter, Load Your 32-bit DLL into Another Process's Address..*/
|
|
|
119 /*-----------------------------------------------------------------------*/
|
|
|
120
|
|
|
121 typedef struct
|
|
|
122 {
|
|
|
123 HANDLE h_process;
|
|
|
124 HANDLE h_thread;
|
|
|
125 LPVOID address;
|
|
|
126 } process_memory;
|
|
|
127
|
|
2367
|
128 static void
|
|
|
129 free_process_memory (process_memory *pmc)
|
|
|
130 {
|
|
|
131 ResumeThread (pmc->h_thread);
|
|
|
132 CloseHandle (pmc->h_thread);
|
|
|
133 }
|
|
|
134
|
|
428
|
135 /*
|
|
|
136 * Allocate SIZE bytes in H_PROCESS address space. Fill in PMC used
|
|
|
137 * further by other routines. Return nonzero if successful.
|
|
|
138 *
|
|
|
139 * The memory in other process is allocated by creating a suspended
|
|
|
140 * thread. Initial stack of that thread is used as the memory
|
|
|
141 * block. The thread entry point is the routine ExitThread in
|
|
854
|
142 * kernel32.dll, so the allocated memory is freed just by resuming the
|
|
428
|
143 * thread, which immediately terminates after that.
|
|
|
144 */
|
|
|
145
|
|
854
|
146 static int
|
|
665
|
147 alloc_process_memory (HANDLE h_process, Bytecount size,
|
|
771
|
148 process_memory *pmc)
|
|
428
|
149 {
|
|
|
150 LPTHREAD_START_ROUTINE adr_ExitThread =
|
|
|
151 (LPTHREAD_START_ROUTINE)
|
|
771
|
152 GetProcAddress (qxeGetModuleHandle (XETEXT ("kernel32")), "ExitThread");
|
|
428
|
153 DWORD dw_unused;
|
|
|
154 CONTEXT context;
|
|
|
155 MEMORY_BASIC_INFORMATION mbi;
|
|
|
156
|
|
|
157 pmc->h_process = h_process;
|
|
|
158 pmc->h_thread = CreateRemoteThread (h_process, NULL, size,
|
|
771
|
159 adr_ExitThread, NULL,
|
|
|
160 CREATE_SUSPENDED, &dw_unused);
|
|
428
|
161 if (pmc->h_thread == NULL)
|
|
|
162 return 0;
|
|
|
163
|
|
|
164 /* Get context, for thread's stack pointer */
|
|
|
165 context.ContextFlags = CONTEXT_CONTROL;
|
|
|
166 if (!GetThreadContext (pmc->h_thread, &context))
|
|
|
167 goto failure;
|
|
|
168
|
|
|
169 /* Determine base address of the committed range */
|
|
|
170 if (sizeof(mbi) != VirtualQueryEx (h_process,
|
|
|
171 #if defined (_X86_)
|
|
|
172 (LPDWORD)context.Esp - 1,
|
|
|
173 #elif defined (_ALPHA_)
|
|
|
174 (LPDWORD)context.IntSp - 1,
|
|
|
175 #else
|
|
|
176 #error Unknown processor architecture
|
|
|
177 #endif
|
|
|
178 &mbi, sizeof(mbi)))
|
|
|
179 goto failure;
|
|
|
180
|
|
|
181 /* Change the page protection of the allocated memory to executable,
|
|
|
182 read, and write. */
|
|
|
183 if (!VirtualProtectEx (h_process, mbi.BaseAddress, size,
|
|
|
184 PAGE_EXECUTE_READWRITE, &dw_unused))
|
|
|
185 goto failure;
|
|
|
186
|
|
|
187 pmc->address = mbi.BaseAddress;
|
|
|
188 return 1;
|
|
|
189
|
|
|
190 failure:
|
|
2367
|
191 free_process_memory (pmc);
|
|
428
|
192 pmc->address = 0;
|
|
|
193 return 0;
|
|
|
194 }
|
|
|
195
|
|
|
196 /*
|
|
|
197 * Run ROUTINE in the context of process determined by H_PROCESS. The
|
|
|
198 * routine is passed the address of DATA as parameter. The ROUTINE must
|
|
|
199 * not be longer than ROUTINE_CODE_SIZE bytes. DATA_SIZE is the size of
|
|
|
200 * DATA structure.
|
|
|
201 *
|
|
|
202 * Note that the code must be positionally independent, and compiled
|
|
|
203 * without stack checks (they cause implicit calls into CRT so will
|
|
|
204 * fail). DATA should not refer any data in calling process, as both
|
|
|
205 * routine and its data are copied into remote process. Size of data
|
|
|
206 * and code together should not exceed one page (4K on x86 systems).
|
|
|
207 *
|
|
|
208 * Return the value returned by ROUTINE, or (DWORD)-1 if call failed.
|
|
|
209 */
|
|
|
210 static DWORD
|
|
|
211 run_in_other_process (HANDLE h_process,
|
|
|
212 LPTHREAD_START_ROUTINE routine,
|
|
665
|
213 LPVOID data, Bytecount data_size)
|
|
428
|
214 {
|
|
|
215 process_memory pm;
|
|
665
|
216 const Bytecount code_size = FRAGMENT_CODE_SIZE;
|
|
428
|
217 /* Need at most 3 extra bytes of memory, for data alignment */
|
|
665
|
218 Bytecount total_size = code_size + data_size + 3;
|
|
428
|
219 LPVOID remote_data;
|
|
|
220 HANDLE h_thread;
|
|
|
221 DWORD dw_unused;
|
|
|
222
|
|
|
223 /* Allocate memory */
|
|
|
224 if (!alloc_process_memory (h_process, total_size, &pm))
|
|
|
225 return (DWORD)-1;
|
|
|
226
|
|
|
227 /* Copy code */
|
|
|
228 if (!WriteProcessMemory (h_process, pm.address, (LPVOID)routine,
|
|
|
229 code_size, NULL))
|
|
|
230 goto failure;
|
|
|
231
|
|
|
232 /* Copy data */
|
|
|
233 if (data_size)
|
|
|
234 {
|
|
|
235 remote_data = (LPBYTE)pm.address + ((code_size + 4) & ~3);
|
|
|
236 if (!WriteProcessMemory (h_process, remote_data, data, data_size, NULL))
|
|
|
237 goto failure;
|
|
|
238 }
|
|
|
239 else
|
|
|
240 remote_data = NULL;
|
|
|
241
|
|
|
242 /* Execute the remote copy of code, passing it remote data */
|
|
|
243 h_thread = CreateRemoteThread (h_process, NULL, 0,
|
|
|
244 (LPTHREAD_START_ROUTINE) pm.address,
|
|
|
245 remote_data, 0, &dw_unused);
|
|
|
246 if (h_thread == NULL)
|
|
|
247 goto failure;
|
|
|
248
|
|
|
249 /* Wait till thread finishes */
|
|
|
250 WaitForSingleObject (h_thread, INFINITE);
|
|
|
251
|
|
|
252 /* Free remote memory */
|
|
|
253 free_process_memory (&pm);
|
|
|
254
|
|
|
255 /* Return thread's exit code */
|
|
|
256 {
|
|
|
257 DWORD exit_code;
|
|
|
258 GetExitCodeThread (h_thread, &exit_code);
|
|
|
259 CloseHandle (h_thread);
|
|
|
260 return exit_code;
|
|
|
261 }
|
|
|
262
|
|
|
263 failure:
|
|
|
264 free_process_memory (&pm);
|
|
2367
|
265 return (DWORD) -1;
|
|
428
|
266 }
|
|
|
267
|
|
|
268 /*-----------------------------------------------------------------------*/
|
|
|
269 /* Sending signals */
|
|
|
270 /*-----------------------------------------------------------------------*/
|
|
|
271
|
|
442
|
272 /* ---------------------------- the NT way ------------------------------- */
|
|
|
273
|
|
428
|
274 /*
|
|
|
275 * We handle the following signals:
|
|
|
276 *
|
|
|
277 * SIGKILL, SIGTERM, SIGQUIT, SIGHUP - These four translate to ExitProcess
|
|
|
278 * executed by the remote process
|
|
|
279 * SIGINT - The remote process is sent CTRL_BREAK_EVENT
|
|
|
280 *
|
|
|
281 * The MSVC5.0 compiler feels free to re-order functions within a
|
|
|
282 * compilation unit, so we have no way of finding out the size of the
|
|
|
283 * following functions. Therefore these functions must not be larger than
|
|
|
284 * FRAGMENT_CODE_SIZE.
|
|
|
285 */
|
|
|
286
|
|
|
287 /*
|
|
|
288 * Sending SIGKILL
|
|
|
289 */
|
|
|
290 typedef struct
|
|
|
291 {
|
|
|
292 void (WINAPI *adr_ExitProcess) (UINT);
|
|
|
293 } sigkill_data;
|
|
|
294
|
|
|
295 static DWORD WINAPI
|
|
771
|
296 sigkill_proc (sigkill_data *data)
|
|
428
|
297 {
|
|
|
298 (*data->adr_ExitProcess)(255);
|
|
|
299 return 1;
|
|
|
300 }
|
|
|
301
|
|
|
302 /*
|
|
|
303 * Sending break or control c
|
|
|
304 */
|
|
|
305 typedef struct
|
|
|
306 {
|
|
|
307 BOOL (WINAPI *adr_GenerateConsoleCtrlEvent) (DWORD, DWORD);
|
|
|
308 DWORD event;
|
|
|
309 } sigint_data;
|
|
|
310
|
|
|
311 static DWORD WINAPI
|
|
771
|
312 sigint_proc (sigint_data *data)
|
|
428
|
313 {
|
|
|
314 return (*data->adr_GenerateConsoleCtrlEvent) (data->event, 0);
|
|
|
315 }
|
|
|
316
|
|
|
317 /*
|
|
|
318 * Enabling signals
|
|
|
319 */
|
|
|
320 typedef struct
|
|
|
321 {
|
|
|
322 BOOL (WINAPI *adr_SetConsoleCtrlHandler) (LPVOID, BOOL);
|
|
|
323 } sig_enable_data;
|
|
|
324
|
|
|
325 static DWORD WINAPI
|
|
771
|
326 sig_enable_proc (sig_enable_data *data)
|
|
428
|
327 {
|
|
|
328 (*data->adr_SetConsoleCtrlHandler) (NULL, FALSE);
|
|
|
329 return 1;
|
|
|
330 }
|
|
|
331
|
|
|
332 /*
|
|
|
333 * Send signal SIGNO to process H_PROCESS.
|
|
|
334 * Return nonzero if successful.
|
|
|
335 */
|
|
|
336
|
|
|
337 static int
|
|
442
|
338 send_signal_the_nt_way (struct nt_process_data *cp, int pid, int signo)
|
|
428
|
339 {
|
|
442
|
340 HANDLE h_process;
|
|
771
|
341 HMODULE h_kernel = qxeGetModuleHandle (XETEXT ("kernel32"));
|
|
442
|
342 int close_process = 0;
|
|
428
|
343 DWORD retval;
|
|
854
|
344
|
|
428
|
345 assert (h_kernel != NULL);
|
|
854
|
346
|
|
442
|
347 if (cp)
|
|
|
348 {
|
|
|
349 pid = cp->dwProcessId;
|
|
|
350 h_process = cp->h_process;
|
|
|
351 }
|
|
|
352 else
|
|
|
353 {
|
|
|
354 close_process = 1;
|
|
|
355 /* Try to open the process with required privileges */
|
|
|
356 h_process = OpenProcess (PROCESS_CREATE_THREAD
|
|
854
|
357 | PROCESS_QUERY_INFORMATION
|
|
442
|
358 | PROCESS_VM_OPERATION
|
|
|
359 | PROCESS_VM_WRITE,
|
|
|
360 FALSE, pid);
|
|
|
361 if (!h_process)
|
|
|
362 return 0;
|
|
|
363 }
|
|
|
364
|
|
428
|
365 switch (signo)
|
|
|
366 {
|
|
|
367 case SIGKILL:
|
|
|
368 case SIGTERM:
|
|
|
369 case SIGQUIT:
|
|
|
370 case SIGHUP:
|
|
|
371 {
|
|
|
372 sigkill_data d;
|
|
442
|
373
|
|
|
374 d.adr_ExitProcess =
|
|
|
375 (void (WINAPI *) (UINT)) GetProcAddress (h_kernel, "ExitProcess");
|
|
428
|
376 assert (d.adr_ExitProcess);
|
|
854
|
377 retval = run_in_other_process (h_process,
|
|
771
|
378 (LPTHREAD_START_ROUTINE) sigkill_proc,
|
|
428
|
379 &d, sizeof (d));
|
|
|
380 break;
|
|
|
381 }
|
|
|
382 case SIGINT:
|
|
|
383 {
|
|
|
384 sigint_data d;
|
|
|
385 d.adr_GenerateConsoleCtrlEvent =
|
|
442
|
386 (BOOL (WINAPI *) (DWORD, DWORD))
|
|
428
|
387 GetProcAddress (h_kernel, "GenerateConsoleCtrlEvent");
|
|
|
388 assert (d.adr_GenerateConsoleCtrlEvent);
|
|
|
389 d.event = CTRL_C_EVENT;
|
|
854
|
390 retval = run_in_other_process (h_process,
|
|
2367
|
391 (LPTHREAD_START_ROUTINE) sigint_proc,
|
|
428
|
392 &d, sizeof (d));
|
|
|
393 break;
|
|
|
394 }
|
|
|
395 default:
|
|
|
396 assert (0);
|
|
|
397 }
|
|
|
398
|
|
442
|
399 if (close_process)
|
|
|
400 CloseHandle (h_process);
|
|
2367
|
401 return (int) retval > 0 ? 1 : 0;
|
|
428
|
402 }
|
|
|
403
|
|
|
404 /*
|
|
|
405 * Enable CTRL_C_EVENT handling in a new child process
|
|
|
406 */
|
|
|
407 static void
|
|
|
408 enable_child_signals (HANDLE h_process)
|
|
|
409 {
|
|
771
|
410 HMODULE h_kernel = qxeGetModuleHandle (XETEXT ("kernel32"));
|
|
428
|
411 sig_enable_data d;
|
|
854
|
412
|
|
428
|
413 assert (h_kernel != NULL);
|
|
|
414 d.adr_SetConsoleCtrlHandler =
|
|
442
|
415 (BOOL (WINAPI *) (LPVOID, BOOL))
|
|
428
|
416 GetProcAddress (h_kernel, "SetConsoleCtrlHandler");
|
|
|
417 assert (d.adr_SetConsoleCtrlHandler);
|
|
|
418 run_in_other_process (h_process, (LPTHREAD_START_ROUTINE)sig_enable_proc,
|
|
|
419 &d, sizeof (d));
|
|
|
420 }
|
|
854
|
421
|
|
442
|
422 /* ---------------------------- the 95 way ------------------------------- */
|
|
|
423
|
|
|
424 static BOOL CALLBACK
|
|
|
425 find_child_console (HWND hwnd, long putada)
|
|
|
426 {
|
|
|
427 DWORD thread_id;
|
|
|
428 DWORD process_id;
|
|
|
429 struct nt_process_data *cp = (struct nt_process_data *) putada;
|
|
|
430
|
|
|
431 thread_id = GetWindowThreadProcessId (hwnd, &process_id);
|
|
|
432 if (process_id == cp->dwProcessId)
|
|
|
433 {
|
|
771
|
434 Extbyte window_class[32];
|
|
442
|
435
|
|
771
|
436 /* GetClassNameA to avoid problems with Unicode return values */
|
|
|
437 GetClassNameA (hwnd, window_class, sizeof (window_class));
|
|
442
|
438 if (strcmp (window_class,
|
|
771
|
439 mswindows_windows9x_p
|
|
442
|
440 ? "tty"
|
|
|
441 : "ConsoleWindowClass") == 0)
|
|
|
442 {
|
|
|
443 cp->hwnd = hwnd;
|
|
|
444 return FALSE;
|
|
|
445 }
|
|
|
446 }
|
|
|
447 /* keep looking */
|
|
|
448 return TRUE;
|
|
|
449 }
|
|
|
450
|
|
|
451 static int
|
|
|
452 send_signal_the_95_way (struct nt_process_data *cp, int pid, int signo)
|
|
|
453 {
|
|
|
454 HANDLE h_process;
|
|
|
455 int close_process = 0;
|
|
|
456 int rc = 1;
|
|
854
|
457
|
|
442
|
458 if (cp)
|
|
|
459 {
|
|
|
460 pid = cp->dwProcessId;
|
|
|
461 h_process = cp->h_process;
|
|
|
462
|
|
|
463 /* Try to locate console window for process. */
|
|
|
464 EnumWindows (find_child_console, (LPARAM) cp);
|
|
|
465 }
|
|
|
466 else
|
|
|
467 {
|
|
|
468 close_process = 1;
|
|
|
469 /* Try to open the process with required privileges */
|
|
|
470 h_process = OpenProcess (PROCESS_TERMINATE, FALSE, pid);
|
|
|
471 if (!h_process)
|
|
|
472 return 0;
|
|
|
473 }
|
|
854
|
474
|
|
442
|
475 if (signo == SIGINT)
|
|
|
476 {
|
|
|
477 if (NILP (Vmswindows_start_process_share_console) && cp && cp->hwnd)
|
|
|
478 {
|
|
771
|
479 BYTE control_scan_code = (BYTE) MapVirtualKeyA (VK_CONTROL, 0);
|
|
442
|
480 BYTE vk_break_code = VK_CANCEL;
|
|
771
|
481 BYTE break_scan_code = (BYTE) MapVirtualKeyA (vk_break_code, 0);
|
|
442
|
482 HWND foreground_window;
|
|
|
483
|
|
|
484 if (break_scan_code == 0)
|
|
|
485 {
|
|
|
486 /* Fake Ctrl-C if we can't manage Ctrl-Break. */
|
|
|
487 vk_break_code = 'C';
|
|
771
|
488 break_scan_code = (BYTE) MapVirtualKeyA (vk_break_code, 0);
|
|
442
|
489 }
|
|
|
490
|
|
|
491 foreground_window = GetForegroundWindow ();
|
|
|
492 if (foreground_window)
|
|
|
493 {
|
|
|
494 /* NT 5.0, and apparently also Windows 98, will not allow
|
|
|
495 a Window to be set to foreground directly without the
|
|
|
496 user's involvement. The workaround is to attach
|
|
|
497 ourselves to the thread that owns the foreground
|
|
|
498 window, since that is the only thread that can set the
|
|
|
499 foreground window. */
|
|
|
500 DWORD foreground_thread, child_thread;
|
|
|
501 foreground_thread =
|
|
|
502 GetWindowThreadProcessId (foreground_window, NULL);
|
|
|
503 if (foreground_thread == GetCurrentThreadId ()
|
|
|
504 || !AttachThreadInput (GetCurrentThreadId (),
|
|
|
505 foreground_thread, TRUE))
|
|
|
506 foreground_thread = 0;
|
|
|
507
|
|
|
508 child_thread = GetWindowThreadProcessId (cp->hwnd, NULL);
|
|
|
509 if (child_thread == GetCurrentThreadId ()
|
|
|
510 || !AttachThreadInput (GetCurrentThreadId (),
|
|
|
511 child_thread, TRUE))
|
|
|
512 child_thread = 0;
|
|
|
513
|
|
|
514 /* Set the foreground window to the child. */
|
|
|
515 if (SetForegroundWindow (cp->hwnd))
|
|
|
516 {
|
|
|
517 /* Generate keystrokes as if user had typed Ctrl-Break or
|
|
|
518 Ctrl-C. */
|
|
|
519 keybd_event (VK_CONTROL, control_scan_code, 0, 0);
|
|
|
520 keybd_event (vk_break_code, break_scan_code,
|
|
|
521 (vk_break_code == 'C' ? 0 : KEYEVENTF_EXTENDEDKEY), 0);
|
|
|
522 keybd_event (vk_break_code, break_scan_code,
|
|
|
523 (vk_break_code == 'C' ? 0 : KEYEVENTF_EXTENDEDKEY)
|
|
|
524 | KEYEVENTF_KEYUP, 0);
|
|
|
525 keybd_event (VK_CONTROL, control_scan_code,
|
|
|
526 KEYEVENTF_KEYUP, 0);
|
|
|
527
|
|
|
528 /* Sleep for a bit to give time for Emacs frame to respond
|
|
|
529 to focus change events (if Emacs was active app). */
|
|
|
530 Sleep (100);
|
|
|
531
|
|
|
532 SetForegroundWindow (foreground_window);
|
|
|
533 }
|
|
|
534 /* Detach from the foreground and child threads now that
|
|
|
535 the foreground switching is over. */
|
|
|
536 if (foreground_thread)
|
|
|
537 AttachThreadInput (GetCurrentThreadId (),
|
|
|
538 foreground_thread, FALSE);
|
|
|
539 if (child_thread)
|
|
|
540 AttachThreadInput (GetCurrentThreadId (),
|
|
|
541 child_thread, FALSE);
|
|
|
542 }
|
|
|
543 }
|
|
|
544 /* Ctrl-Break is NT equivalent of SIGINT. */
|
|
|
545 else if (!GenerateConsoleCtrlEvent (CTRL_BREAK_EVENT, pid))
|
|
|
546 {
|
|
|
547 #if 0 /* FSF Emacs */
|
|
|
548 DebPrint (("sys_kill.GenerateConsoleCtrlEvent return %d "
|
|
|
549 "for pid %lu\n", GetLastError (), pid));
|
|
|
550 errno = EINVAL;
|
|
|
551 #endif
|
|
|
552 rc = 0;
|
|
|
553 }
|
|
|
554 }
|
|
|
555 else
|
|
|
556 {
|
|
|
557 if (NILP (Vmswindows_start_process_share_console) && cp && cp->hwnd)
|
|
|
558 {
|
|
|
559 #if 1
|
|
771
|
560 if (mswindows_windows9x_p)
|
|
442
|
561 {
|
|
|
562 /*
|
|
|
563 Another possibility is to try terminating the VDM out-right by
|
|
|
564 calling the Shell VxD (id 0x17) V86 interface, function #4
|
|
|
565 "SHELL_Destroy_VM", ie.
|
|
|
566
|
|
|
567 mov edx,4
|
|
|
568 mov ebx,vm_handle
|
|
|
569 call shellapi
|
|
|
570
|
|
|
571 First need to determine the current VM handle, and then arrange for
|
|
|
572 the shellapi call to be made from the system vm (by using
|
|
|
573 Switch_VM_and_callback).
|
|
|
574
|
|
|
575 Could try to invoke DestroyVM through CallVxD.
|
|
|
576
|
|
|
577 */
|
|
|
578 #if 0
|
|
|
579 /* On Win95, posting WM_QUIT causes the 16-bit subsystem
|
|
|
580 to hang when cmdproxy is used in conjunction with
|
|
|
581 command.com for an interactive shell. Posting
|
|
|
582 WM_CLOSE pops up a dialog that, when Yes is selected,
|
|
|
583 does the same thing. TerminateProcess is also less
|
|
|
584 than ideal in that subprocesses tend to stick around
|
|
|
585 until the machine is shutdown, but at least it
|
|
|
586 doesn't freeze the 16-bit subsystem. */
|
|
800
|
587 qxePostMessage (cp->hwnd, WM_QUIT, 0xff, 0);
|
|
442
|
588 #endif
|
|
|
589 if (!TerminateProcess (h_process, 0xff))
|
|
|
590 {
|
|
|
591 #if 0 /* FSF Emacs */
|
|
|
592 DebPrint (("sys_kill.TerminateProcess returned %d "
|
|
|
593 "for pid %lu\n", GetLastError (), pid));
|
|
|
594 errno = EINVAL;
|
|
|
595 #endif
|
|
|
596 rc = 0;
|
|
|
597 }
|
|
|
598 }
|
|
|
599 else
|
|
|
600 #endif
|
|
800
|
601 qxePostMessage (cp->hwnd, WM_CLOSE, 0, 0);
|
|
442
|
602 }
|
|
|
603 /* Kill the process. On W32 this doesn't kill child processes
|
|
|
604 so it doesn't work very well for shells which is why it's not
|
|
|
605 used in every case. */
|
|
|
606 else if (!TerminateProcess (h_process, 0xff))
|
|
|
607 {
|
|
|
608 #if 0 /* FSF Emacs */
|
|
|
609 DebPrint (("sys_kill.TerminateProcess returned %d "
|
|
|
610 "for pid %lu\n", GetLastError (), pid));
|
|
|
611 errno = EINVAL;
|
|
|
612 #endif
|
|
|
613 rc = 0;
|
|
|
614 }
|
|
|
615 }
|
|
|
616
|
|
|
617 if (close_process)
|
|
|
618 CloseHandle (h_process);
|
|
|
619
|
|
|
620 return rc;
|
|
|
621 }
|
|
|
622
|
|
|
623 /* -------------------------- all-OS functions ---------------------------- */
|
|
|
624
|
|
|
625 static int
|
|
|
626 send_signal (struct nt_process_data *cp, int pid, int signo)
|
|
|
627 {
|
|
771
|
628 return (!mswindows_windows9x_p && send_signal_the_nt_way (cp, pid, signo))
|
|
442
|
629 || send_signal_the_95_way (cp, pid, signo);
|
|
|
630 }
|
|
|
631
|
|
428
|
632 /*
|
|
|
633 * Signal error if SIGNO is not supported
|
|
|
634 */
|
|
|
635 static void
|
|
|
636 validate_signal_number (int signo)
|
|
|
637 {
|
|
|
638 if (signo != SIGKILL && signo != SIGTERM
|
|
|
639 && signo != SIGQUIT && signo != SIGINT
|
|
|
640 && signo != SIGHUP)
|
|
563
|
641 invalid_constant ("Signal number not supported", make_int (signo));
|
|
428
|
642 }
|
|
854
|
643
|
|
428
|
644 /*-----------------------------------------------------------------------*/
|
|
|
645 /* Process methods */
|
|
|
646 /*-----------------------------------------------------------------------*/
|
|
|
647
|
|
|
648 /*
|
|
|
649 * Allocate and initialize Lisp_Process->process_data
|
|
|
650 */
|
|
|
651
|
|
|
652 static void
|
|
440
|
653 nt_alloc_process_data (Lisp_Process *p)
|
|
428
|
654 {
|
|
|
655 p->process_data = xnew_and_zero (struct nt_process_data);
|
|
|
656 }
|
|
|
657
|
|
|
658 static void
|
|
440
|
659 nt_finalize_process_data (Lisp_Process *p, int for_disksave)
|
|
428
|
660 {
|
|
|
661 assert (!for_disksave);
|
|
791
|
662 /* If it's still in the list of processes we are waiting on delete
|
|
2367
|
663 it. This can happen if we forcibly delete a process and are unable
|
|
|
664 to kill it. */
|
|
791
|
665 mswindows_unwait_process (p);
|
|
442
|
666 if (NT_DATA (p)->h_process)
|
|
2367
|
667 {
|
|
|
668 CloseHandle (NT_DATA (p)->h_process);
|
|
|
669 NT_DATA (p)->h_process = 0;
|
|
|
670 }
|
|
428
|
671 }
|
|
|
672
|
|
|
673 /*
|
|
|
674 * Initialize XEmacs process implementation once
|
|
|
675 */
|
|
|
676 static void
|
|
|
677 nt_init_process (void)
|
|
|
678 {
|
|
|
679 /* Initialize winsock */
|
|
|
680 WSADATA wsa_data;
|
|
|
681 /* Request Winsock v1.1 Note the order: (minor=1, major=1) */
|
|
|
682 WSAStartup (MAKEWORD (1,1), &wsa_data);
|
|
|
683 }
|
|
|
684
|
|
853
|
685 /*
|
|
|
686 * Fork off a subprocess. P is a pointer to newly created subprocess
|
|
|
687 * object. If this function signals, the caller is responsible for
|
|
|
688 * deleting (and finalizing) the process object.
|
|
|
689 *
|
|
|
690 * The method must return PID of the new process, a (positive??? ####) number
|
|
|
691 * which fits into Lisp_Int. No return value indicates an error, the method
|
|
|
692 * must signal an error instead.
|
|
|
693 */
|
|
|
694
|
|
563
|
695 static DOESNT_RETURN
|
|
|
696 mswindows_report_winsock_error (const char *string, Lisp_Object data,
|
|
|
697 int errnum)
|
|
428
|
698 {
|
|
563
|
699 report_file_type_error (Qnetwork_error, mswindows_lisp_error (errnum),
|
|
|
700 string, data);
|
|
442
|
701 }
|
|
|
702
|
|
|
703 static void
|
|
|
704 ensure_console_window_exists (void)
|
|
|
705 {
|
|
771
|
706 if (mswindows_windows9x_p)
|
|
442
|
707 mswindows_hide_console ();
|
|
|
708 }
|
|
|
709
|
|
|
710 int
|
|
771
|
711 mswindows_compare_env (const void *strp1, const void *strp2)
|
|
442
|
712 {
|
|
2367
|
713 const Itext *str1 = * (const Itext **) strp1,
|
|
|
714 *str2 = * (const Itext **) strp2;
|
|
442
|
715
|
|
|
716 while (*str1 && *str2 && *str1 != '=' && *str2 != '=')
|
|
|
717 {
|
|
|
718 if ((*str1) > (*str2))
|
|
|
719 return 1;
|
|
|
720 else if ((*str1) < (*str2))
|
|
|
721 return -1;
|
|
|
722 str1++, str2++;
|
|
|
723 }
|
|
|
724
|
|
|
725 if (*str1 == '=' && *str2 == '=')
|
|
|
726 return 0;
|
|
|
727 else if (*str1 == '=')
|
|
|
728 return -1;
|
|
|
729 else
|
|
|
730 return 1;
|
|
428
|
731 }
|
|
|
732
|
|
563
|
733 /*
|
|
|
734 * Fork off a subprocess. P is a pointer to newly created subprocess
|
|
|
735 * object. If this function signals, the caller is responsible for
|
|
|
736 * deleting (and finalizing) the process object.
|
|
|
737 *
|
|
|
738 * The method must return PID of the new process, a (positive??? ####) number
|
|
|
739 * which fits into Lisp_Int. No return value indicates an error, the method
|
|
|
740 * must signal an error instead.
|
|
|
741 */
|
|
|
742
|
|
428
|
743 static int
|
|
440
|
744 nt_create_process (Lisp_Process *p,
|
|
428
|
745 Lisp_Object *argv, int nargv,
|
|
853
|
746 Lisp_Object program, Lisp_Object cur_dir,
|
|
|
747 int separate_err)
|
|
428
|
748 {
|
|
442
|
749 /* Synched up with sys_spawnve in FSF 20.6. Significantly different
|
|
|
750 but still synchable. */
|
|
853
|
751 HANDLE hmyshove, hmyslurp, hmyslurp_err, hprocin, hprocout, hprocerr;
|
|
442
|
752 Extbyte *command_line;
|
|
428
|
753 BOOL do_io, windowed;
|
|
771
|
754 Extbyte *proc_env;
|
|
428
|
755
|
|
442
|
756 /* No need to DOS-ize the filename; expand-file-name (called prior)
|
|
|
757 already does this. */
|
|
|
758
|
|
428
|
759 /* Find out whether the application is windowed or not */
|
|
771
|
760 {
|
|
|
761 /* SHGetFileInfo tends to return ERROR_FILE_NOT_FOUND on most
|
|
|
762 errors. This leads to bogus error message. */
|
|
|
763 DWORD image_type;
|
|
1204
|
764 if (mswindows_is_executable (XSTRING_DATA (program)))
|
|
771
|
765 {
|
|
|
766 Extbyte *progext;
|
|
|
767 LISP_STRING_TO_TSTR (program, progext);
|
|
|
768 image_type = qxeSHGetFileInfo (progext, 0, NULL, 0, SHGFI_EXETYPE);
|
|
|
769 }
|
|
|
770 else
|
|
|
771 {
|
|
|
772 DECLARE_EISTRING (progext);
|
|
|
773 eicpy_lstr (progext, program);
|
|
2421
|
774 eicat_ascii (progext, ".exe");
|
|
771
|
775 eito_external (progext, Qmswindows_tstr);
|
|
|
776 image_type = qxeSHGetFileInfo (eiextdata (progext), 0, NULL, 0,
|
|
|
777 SHGFI_EXETYPE);
|
|
|
778 }
|
|
|
779 if (image_type == 0)
|
|
|
780 mswindows_report_process_error
|
|
|
781 ("Determining executable file type",
|
|
|
782 program,
|
|
|
783 GetLastError () == ERROR_FILE_NOT_FOUND
|
|
|
784 ? ERROR_BAD_FORMAT : GetLastError ());
|
|
|
785 windowed = HIWORD (image_type) != 0;
|
|
|
786 }
|
|
|
787
|
|
428
|
788
|
|
|
789 /* Decide whether to do I/O on process handles, or just mark the
|
|
|
790 process exited immediately upon successful launching. We do I/O if the
|
|
|
791 process is a console one, or if it is windowed but windowed_process_io
|
|
|
792 is non-zero */
|
|
|
793 do_io = !windowed || windowed_process_io ;
|
|
854
|
794
|
|
428
|
795 if (do_io)
|
|
|
796 {
|
|
|
797 /* Create two unidirectional named pipes */
|
|
|
798 HANDLE htmp;
|
|
|
799 SECURITY_ATTRIBUTES sa;
|
|
|
800
|
|
826
|
801 sa.nLength = sizeof (sa);
|
|
428
|
802 sa.bInheritHandle = TRUE;
|
|
|
803 sa.lpSecurityDescriptor = NULL;
|
|
|
804
|
|
|
805 CreatePipe (&hprocin, &hmyshove, &sa, 0);
|
|
|
806 CreatePipe (&hmyslurp, &hprocout, &sa, 0);
|
|
|
807
|
|
853
|
808 if (separate_err)
|
|
|
809 CreatePipe (&hmyslurp_err, &hprocerr, &sa, 0);
|
|
|
810 else
|
|
|
811 /* Duplicate the stdout handle for use as stderr */
|
|
2367
|
812 DuplicateHandle (GetCurrentProcess(), hprocout, GetCurrentProcess(),
|
|
|
813 &hprocerr, 0, TRUE, DUPLICATE_SAME_ACCESS);
|
|
430
|
814
|
|
428
|
815 /* Stupid Win32 allows to create a pipe with *both* ends either
|
|
|
816 inheritable or not. We need process ends inheritable, and local
|
|
|
817 ends not inheritable. */
|
|
442
|
818 DuplicateHandle (GetCurrentProcess(), hmyshove, GetCurrentProcess(),
|
|
|
819 &htmp, 0, FALSE,
|
|
|
820 DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
|
|
428
|
821 hmyshove = htmp;
|
|
442
|
822 DuplicateHandle (GetCurrentProcess(), hmyslurp, GetCurrentProcess(),
|
|
|
823 &htmp, 0, FALSE,
|
|
|
824 DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
|
|
428
|
825 hmyslurp = htmp;
|
|
853
|
826 if (separate_err)
|
|
|
827 {
|
|
|
828 DuplicateHandle (GetCurrentProcess(), hmyslurp_err,
|
|
|
829 GetCurrentProcess(), &htmp, 0, FALSE,
|
|
|
830 DUPLICATE_CLOSE_SOURCE | DUPLICATE_SAME_ACCESS);
|
|
|
831 hmyslurp_err = htmp;
|
|
|
832 }
|
|
428
|
833 }
|
|
|
834
|
|
|
835 /* Convert an argv vector into Win32 style command line by a call to
|
|
442
|
836 lisp function `mswindows-construct-process-command-line'
|
|
|
837 (in win32-native.el) */
|
|
428
|
838 {
|
|
|
839 int i;
|
|
|
840 Lisp_Object args_or_ret = Qnil;
|
|
|
841 struct gcpro gcpro1;
|
|
|
842
|
|
|
843 GCPRO1 (args_or_ret);
|
|
|
844
|
|
|
845 for (i = 0; i < nargv; ++i)
|
|
|
846 args_or_ret = Fcons (*argv++, args_or_ret);
|
|
|
847 args_or_ret = Fnreverse (args_or_ret);
|
|
|
848 args_or_ret = Fcons (program, args_or_ret);
|
|
|
849
|
|
2367
|
850 /* This Lisp function is in win32-native.el and has lots of comments
|
|
|
851 about what exactly is going on. */
|
|
442
|
852 args_or_ret = call1 (Qmswindows_construct_process_command_line,
|
|
|
853 args_or_ret);
|
|
428
|
854
|
|
|
855 if (!STRINGP (args_or_ret))
|
|
|
856 /* Luser wrote his/her own clever version */
|
|
442
|
857 invalid_argument
|
|
|
858 ("Bogus return value from `mswindows-construct-process-command-line'",
|
|
|
859 args_or_ret);
|
|
428
|
860
|
|
771
|
861 LISP_STRING_TO_TSTR (args_or_ret, command_line);
|
|
428
|
862
|
|
|
863 UNGCPRO; /* args_or_ret */
|
|
|
864 }
|
|
|
865
|
|
|
866 /* Set `proc_env' to a nul-separated array of the strings in
|
|
|
867 Vprocess_environment terminated by 2 nuls. */
|
|
771
|
868
|
|
428
|
869 {
|
|
867
|
870 Ibyte **env;
|
|
428
|
871 REGISTER Lisp_Object tem;
|
|
867
|
872 REGISTER Ibyte **new_env;
|
|
771
|
873 REGISTER int new_length = 0, i;
|
|
854
|
874
|
|
428
|
875 for (tem = Vprocess_environment;
|
|
|
876 (CONSP (tem)
|
|
|
877 && STRINGP (XCAR (tem)));
|
|
|
878 tem = XCDR (tem))
|
|
|
879 new_length++;
|
|
442
|
880
|
|
|
881 /* FSF adds an extra env var to hold the current process ID of the
|
|
|
882 Emacs process. Apparently this is used only by emacsserver.c,
|
|
771
|
883 which we have superseded by gnuserv.c. (#### Does it work under
|
|
442
|
884 MS Windows?)
|
|
|
885
|
|
854
|
886 sprintf (ppid_env_var_buffer, "EM_PARENT_PROCESS_ID=%d",
|
|
442
|
887 GetCurrentProcessId ());
|
|
|
888 arglen += strlen (ppid_env_var_buffer) + 1;
|
|
|
889 numenv++;
|
|
|
890 */
|
|
854
|
891
|
|
428
|
892 /* new_length + 1 to include terminating 0. */
|
|
867
|
893 env = new_env = alloca_array (Ibyte *, new_length + 1);
|
|
854
|
894
|
|
428
|
895 /* Copy the Vprocess_environment strings into new_env. */
|
|
|
896 for (tem = Vprocess_environment;
|
|
|
897 (CONSP (tem)
|
|
|
898 && STRINGP (XCAR (tem)));
|
|
|
899 tem = XCDR (tem))
|
|
|
900 {
|
|
867
|
901 Ibyte **ep = env;
|
|
|
902 Ibyte *string = XSTRING_DATA (XCAR (tem));
|
|
428
|
903 /* See if this string duplicates any string already in the env.
|
|
|
904 If so, don't put it in.
|
|
|
905 When an env var has multiple definitions,
|
|
|
906 we keep the definition that comes first in process-environment. */
|
|
|
907 for (; ep != new_env; ep++)
|
|
|
908 {
|
|
867
|
909 Ibyte *p = *ep, *q = string;
|
|
428
|
910 while (1)
|
|
|
911 {
|
|
|
912 if (*q == 0)
|
|
|
913 /* The string is malformed; might as well drop it. */
|
|
|
914 goto duplicate;
|
|
|
915 if (*q != *p)
|
|
|
916 break;
|
|
|
917 if (*q == '=')
|
|
|
918 goto duplicate;
|
|
|
919 p++, q++;
|
|
|
920 }
|
|
|
921 }
|
|
|
922 *new_env++ = string;
|
|
|
923 duplicate: ;
|
|
|
924 }
|
|
|
925 *new_env = 0;
|
|
854
|
926
|
|
428
|
927 /* Sort the environment variables */
|
|
|
928 new_length = new_env - env;
|
|
867
|
929 qsort (env, new_length, sizeof (Ibyte *), mswindows_compare_env);
|
|
771
|
930
|
|
|
931 {
|
|
|
932 DECLARE_EISTRING (envout);
|
|
|
933
|
|
|
934 for (i = 0; i < new_length; i++)
|
|
|
935 {
|
|
1204
|
936 eicat_raw (envout, env[i], qxestrlen (env[i]));
|
|
|
937 eicat_raw (envout, (Ibyte *) "\0", 1);
|
|
771
|
938 }
|
|
|
939
|
|
1204
|
940 eicat_raw (envout, (Ibyte *) "\0", 1);
|
|
771
|
941 eito_external (envout, Qmswindows_tstr);
|
|
|
942 proc_env = eiextdata (envout);
|
|
|
943 }
|
|
428
|
944 }
|
|
442
|
945
|
|
|
946 #if 0
|
|
|
947 /* #### we need to port this. */
|
|
|
948 /* On Windows 95, if cmdname is a DOS app, we invoke a helper
|
|
|
949 application to start it by specifying the helper app as cmdname,
|
|
|
950 while leaving the real app name as argv[0]. */
|
|
|
951 if (is_dos_app)
|
|
|
952 {
|
|
2421
|
953 cmdname = alloca_ibytes (PATH_MAX_INTERNAL);
|
|
442
|
954 if (egetenv ("CMDPROXY"))
|
|
771
|
955 qxestrcpy (cmdname, egetenv ("CMDPROXY"));
|
|
442
|
956 else
|
|
|
957 {
|
|
771
|
958 qxestrcpy (cmdname, XSTRING_DATA (Vinvocation_directory));
|
|
867
|
959 qxestrcat (cmdname, (Ibyte *) "cmdproxy.exe");
|
|
442
|
960 }
|
|
|
961 }
|
|
|
962 #endif
|
|
854
|
963
|
|
428
|
964 /* Create process */
|
|
|
965 {
|
|
771
|
966 STARTUPINFOW si;
|
|
428
|
967 PROCESS_INFORMATION pi;
|
|
|
968 DWORD err;
|
|
442
|
969 DWORD flags;
|
|
428
|
970
|
|
|
971 xzero (si);
|
|
|
972 si.dwFlags = STARTF_USESHOWWINDOW;
|
|
|
973 si.wShowWindow = windowed ? SW_SHOWNORMAL : SW_HIDE;
|
|
|
974 if (do_io)
|
|
|
975 {
|
|
|
976 si.hStdInput = hprocin;
|
|
|
977 si.hStdOutput = hprocout;
|
|
430
|
978 si.hStdError = hprocerr;
|
|
428
|
979 si.dwFlags |= STARTF_USESTDHANDLES;
|
|
|
980 }
|
|
|
981
|
|
442
|
982 flags = CREATE_SUSPENDED;
|
|
771
|
983 if (mswindows_windows9x_p)
|
|
442
|
984 flags |= (!NILP (Vmswindows_start_process_share_console)
|
|
|
985 ? CREATE_NEW_PROCESS_GROUP
|
|
|
986 : CREATE_NEW_CONSOLE);
|
|
|
987 else
|
|
|
988 flags |= CREATE_NEW_CONSOLE | CREATE_NEW_PROCESS_GROUP;
|
|
|
989 if (NILP (Vmswindows_start_process_inherit_error_mode))
|
|
|
990 flags |= CREATE_DEFAULT_ERROR_MODE;
|
|
|
991
|
|
|
992 ensure_console_window_exists ();
|
|
|
993
|
|
771
|
994 {
|
|
|
995 Extbyte *curdirext;
|
|
|
996
|
|
|
997 LISP_STRING_TO_TSTR (cur_dir, curdirext);
|
|
|
998
|
|
|
999 err = (qxeCreateProcess (NULL, command_line, NULL, NULL, TRUE,
|
|
|
1000 (XEUNICODE_P ?
|
|
|
1001 flags | CREATE_UNICODE_ENVIRONMENT :
|
|
|
1002 flags), proc_env,
|
|
|
1003 curdirext, &si, &pi)
|
|
|
1004 ? 0 : GetLastError ());
|
|
|
1005 }
|
|
428
|
1006
|
|
|
1007 if (do_io)
|
|
|
1008 {
|
|
|
1009 /* These just have been inherited; we do not need a copy */
|
|
|
1010 CloseHandle (hprocin);
|
|
|
1011 CloseHandle (hprocout);
|
|
430
|
1012 CloseHandle (hprocerr);
|
|
428
|
1013 }
|
|
854
|
1014
|
|
428
|
1015 /* Handle process creation failure */
|
|
|
1016 if (err)
|
|
|
1017 {
|
|
|
1018 if (do_io)
|
|
|
1019 {
|
|
|
1020 CloseHandle (hmyshove);
|
|
|
1021 CloseHandle (hmyslurp);
|
|
853
|
1022 if (separate_err)
|
|
|
1023 CloseHandle (hmyslurp_err);
|
|
428
|
1024 }
|
|
563
|
1025 mswindows_report_process_error
|
|
|
1026 ("Error starting",
|
|
|
1027 program, GetLastError ());
|
|
428
|
1028 }
|
|
|
1029
|
|
|
1030 /* The process started successfully */
|
|
|
1031 if (do_io)
|
|
|
1032 {
|
|
|
1033 NT_DATA(p)->h_process = pi.hProcess;
|
|
442
|
1034 NT_DATA(p)->dwProcessId = pi.dwProcessId;
|
|
853
|
1035 init_process_io_handles (p, (void *) hmyslurp, (void *) hmyshove,
|
|
|
1036 separate_err ? (void *) hmyslurp_err
|
|
|
1037 : (void *) -1, 0);
|
|
428
|
1038 }
|
|
|
1039 else
|
|
|
1040 {
|
|
|
1041 /* Indicate as if the process has exited immediately. */
|
|
|
1042 p->status_symbol = Qexit;
|
|
|
1043 CloseHandle (pi.hProcess);
|
|
|
1044 }
|
|
|
1045
|
|
442
|
1046 if (!windowed)
|
|
|
1047 enable_child_signals (pi.hProcess);
|
|
|
1048
|
|
428
|
1049 ResumeThread (pi.hThread);
|
|
|
1050 CloseHandle (pi.hThread);
|
|
|
1051
|
|
432
|
1052 return ((int)pi.dwProcessId);
|
|
428
|
1053 }
|
|
|
1054 }
|
|
|
1055
|
|
854
|
1056 /*
|
|
428
|
1057 * This method is called to update status fields of the process
|
|
|
1058 * structure. If the process has not existed, this method is expected
|
|
|
1059 * to do nothing.
|
|
|
1060 *
|
|
854
|
1061 * The method is called only for real child processes.
|
|
428
|
1062 */
|
|
|
1063
|
|
|
1064 static void
|
|
771
|
1065 nt_update_status_if_terminated (Lisp_Process *p)
|
|
428
|
1066 {
|
|
|
1067 DWORD exit_code;
|
|
|
1068 if (GetExitCodeProcess (NT_DATA(p)->h_process, &exit_code)
|
|
|
1069 && exit_code != STILL_ACTIVE)
|
|
|
1070 {
|
|
|
1071 p->tick++;
|
|
|
1072 p->core_dumped = 0;
|
|
|
1073 /* The exit code can be a code returned by process, or an
|
|
|
1074 NTSTATUS value. We cannot accurately handle the latter since
|
|
|
1075 it is a full 32 bit integer */
|
|
|
1076 if (exit_code & 0xC0000000)
|
|
|
1077 {
|
|
|
1078 p->status_symbol = Qsignal;
|
|
|
1079 p->exit_code = exit_code & 0x1FFFFFFF;
|
|
|
1080 }
|
|
|
1081 else
|
|
|
1082 {
|
|
|
1083 p->status_symbol = Qexit;
|
|
|
1084 p->exit_code = exit_code;
|
|
|
1085 }
|
|
|
1086 }
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 /*
|
|
|
1090 * Stuff the entire contents of LSTREAM to the process output pipe
|
|
|
1091 */
|
|
|
1092
|
|
|
1093 /* #### If only this function could be somehow merged with
|
|
|
1094 unix_send_process... */
|
|
|
1095
|
|
|
1096 static void
|
|
771
|
1097 nt_send_process (Lisp_Object proc, struct lstream *lstream)
|
|
428
|
1098 {
|
|
432
|
1099 volatile Lisp_Object vol_proc = proc;
|
|
440
|
1100 Lisp_Process *volatile p = XPROCESS (proc);
|
|
428
|
1101
|
|
|
1102 /* use a reasonable-sized buffer (somewhere around the size of the
|
|
|
1103 stream buffer) so as to avoid inundating the stream with blocked
|
|
|
1104 data. */
|
|
867
|
1105 Ibyte chunkbuf[512];
|
|
428
|
1106 Bytecount chunklen;
|
|
|
1107
|
|
|
1108 while (1)
|
|
|
1109 {
|
|
771
|
1110 int writeret;
|
|
428
|
1111
|
|
442
|
1112 chunklen = Lstream_read (lstream, chunkbuf, 512);
|
|
428
|
1113 if (chunklen <= 0)
|
|
2500
|
1114 break; /* perhaps should ABORT() if < 0?
|
|
428
|
1115 This should never happen. */
|
|
|
1116
|
|
|
1117 /* Lstream_write() will never successfully write less than the
|
|
|
1118 amount sent in. In the worst case, it just buffers the
|
|
|
1119 unwritten data. */
|
|
771
|
1120 writeret = Lstream_write (XLSTREAM (DATA_OUTSTREAM (p)), chunkbuf,
|
|
428
|
1121 chunklen);
|
|
771
|
1122 Lstream_flush (XLSTREAM (DATA_OUTSTREAM (p)));
|
|
428
|
1123 if (writeret < 0)
|
|
|
1124 {
|
|
|
1125 p->status_symbol = Qexit;
|
|
|
1126 p->exit_code = ERROR_BROKEN_PIPE;
|
|
|
1127 p->core_dumped = 0;
|
|
|
1128 p->tick++;
|
|
|
1129 process_tick++;
|
|
432
|
1130 deactivate_process (*((Lisp_Object *) (&vol_proc)));
|
|
442
|
1131 invalid_operation ("Broken pipe error sending to process; closed it",
|
|
|
1132 p->name);
|
|
428
|
1133 }
|
|
|
1134
|
|
|
1135 {
|
|
|
1136 int wait_ms = 25;
|
|
|
1137 while (Lstream_was_blocked_p (XLSTREAM (p->pipe_outstream)))
|
|
|
1138 {
|
|
|
1139 /* Buffer is full. Wait, accepting input; that may allow
|
|
|
1140 the program to finish doing output and read more. */
|
|
|
1141 Faccept_process_output (Qnil, Qzero, make_int (wait_ms));
|
|
|
1142 Lstream_flush (XLSTREAM (p->pipe_outstream));
|
|
|
1143 wait_ms = min (1000, 2 * wait_ms);
|
|
|
1144 }
|
|
|
1145 }
|
|
|
1146 }
|
|
|
1147 }
|
|
|
1148
|
|
2367
|
1149 static void
|
|
|
1150 nt_deactivate_process (Lisp_Process *p,
|
|
|
1151 USID *in_usid,
|
|
|
1152 USID *err_usid)
|
|
|
1153 {
|
|
|
1154 event_stream_delete_io_streams (p->pipe_instream, p->pipe_outstream,
|
|
|
1155 p->pipe_errstream, in_usid, err_usid);
|
|
|
1156 /* Go ahead and close the process handle now to prevent accumulation
|
|
|
1157 of handles when lots of processes are run. (The handle gets closed
|
|
|
1158 anyway upon GC, but that might be a ways away, esp. if
|
|
|
1159 deleted-exited-processes is set to nil.) */
|
|
|
1160 nt_finalize_process_data (p, 0);
|
|
|
1161 }
|
|
|
1162
|
|
428
|
1163 /*
|
|
|
1164 * Send a signal number SIGNO to PROCESS.
|
|
|
1165 * CURRENT_GROUP means send to the process group that currently owns
|
|
|
1166 * the terminal being used to communicate with PROCESS.
|
|
|
1167 * This is used for various commands in shell mode.
|
|
|
1168 * If NOMSG is zero, insert signal-announcements into process's buffers
|
|
|
1169 * right away.
|
|
|
1170 *
|
|
|
1171 * If we can, we try to signal PROCESS by sending control characters
|
|
|
1172 * down the pty. This allows us to signal inferiors who have changed
|
|
|
1173 * their uid, for which killpg would return an EPERM error.
|
|
|
1174 *
|
|
|
1175 * The method signals an error if the given SIGNO is not valid
|
|
|
1176 */
|
|
|
1177
|
|
|
1178 static void
|
|
|
1179 nt_kill_child_process (Lisp_Object proc, int signo,
|
|
2286
|
1180 int UNUSED (current_group), int UNUSED (nomsg))
|
|
428
|
1181 {
|
|
440
|
1182 Lisp_Process *p = XPROCESS (proc);
|
|
428
|
1183
|
|
|
1184 /* Signal error if SIGNO cannot be sent */
|
|
|
1185 validate_signal_number (signo);
|
|
|
1186
|
|
|
1187 /* Send signal */
|
|
442
|
1188 if (!send_signal (NT_DATA (p), 0, signo))
|
|
|
1189 invalid_operation ("Cannot send signal to process", proc);
|
|
428
|
1190 }
|
|
|
1191
|
|
|
1192 /*
|
|
442
|
1193 * Kill any process in the system given its PID
|
|
428
|
1194 *
|
|
|
1195 * Returns zero if a signal successfully sent, or
|
|
|
1196 * negative number upon failure
|
|
|
1197 */
|
|
|
1198 static int
|
|
|
1199 nt_kill_process_by_pid (int pid, int signo)
|
|
|
1200 {
|
|
442
|
1201 struct Lisp_Process *p;
|
|
|
1202
|
|
428
|
1203 /* Signal error if SIGNO cannot be sent */
|
|
|
1204 validate_signal_number (signo);
|
|
|
1205
|
|
442
|
1206 p = find_process_from_pid (pid);
|
|
|
1207 return send_signal (p ? NT_DATA (p) : 0, pid, signo) ? 0 : -1;
|
|
428
|
1208 }
|
|
|
1209
|
|
|
1210 /*-----------------------------------------------------------------------*/
|
|
|
1211 /* Sockets connections */
|
|
|
1212 /*-----------------------------------------------------------------------*/
|
|
|
1213 #ifdef HAVE_SOCKETS
|
|
|
1214
|
|
|
1215 /* #### Hey MS, how long Winsock 2 for '95 will be in beta? */
|
|
|
1216
|
|
|
1217 #define SOCK_TIMER_ID 666
|
|
|
1218 #define XM_SOCKREPLY (WM_USER + 666)
|
|
|
1219
|
|
563
|
1220 /* Return 0 for success, or error code */
|
|
|
1221
|
|
428
|
1222 static int
|
|
563
|
1223 get_internet_address (Lisp_Object host, struct sockaddr_in *address)
|
|
428
|
1224 {
|
|
2367
|
1225 CBinbyte buf[MAXGETHOSTSTRUCT];
|
|
428
|
1226 HWND hwnd;
|
|
|
1227 HANDLE hasync;
|
|
563
|
1228 int errcode = 0;
|
|
428
|
1229
|
|
|
1230 address->sin_family = AF_INET;
|
|
|
1231
|
|
|
1232 /* First check if HOST is already a numeric address */
|
|
|
1233 {
|
|
1204
|
1234 Extbyte *hostext;
|
|
|
1235 unsigned long inaddr;
|
|
|
1236
|
|
|
1237 LISP_STRING_TO_EXTERNAL (host, hostext, Qmswindows_host_name_encoding);
|
|
|
1238 inaddr = inet_addr (hostext);
|
|
428
|
1239 if (inaddr != INADDR_NONE)
|
|
|
1240 {
|
|
|
1241 address->sin_addr.s_addr = inaddr;
|
|
563
|
1242 return 0;
|
|
428
|
1243 }
|
|
|
1244 }
|
|
|
1245
|
|
|
1246 /* Create a window which will receive completion messages */
|
|
771
|
1247 hwnd = qxeCreateWindow (XETEXT ("STATIC"), NULL, WS_OVERLAPPED, 0, 0, 1, 1,
|
|
|
1248 NULL, NULL, NULL, NULL);
|
|
428
|
1249 assert (hwnd);
|
|
|
1250
|
|
|
1251 /* Post name resolution request */
|
|
771
|
1252 {
|
|
|
1253 Extbyte *hostext;
|
|
|
1254
|
|
|
1255 LISP_STRING_TO_EXTERNAL (host, hostext, Qmswindows_host_name_encoding);
|
|
|
1256
|
|
|
1257 hasync = WSAAsyncGetHostByName (hwnd, XM_SOCKREPLY, hostext,
|
|
|
1258 buf, sizeof (buf));
|
|
|
1259 if (hasync == NULL)
|
|
|
1260 {
|
|
|
1261 errcode = WSAGetLastError ();
|
|
|
1262 goto done;
|
|
|
1263 }
|
|
|
1264 }
|
|
428
|
1265
|
|
|
1266 /* Set a timer to poll for quit every 250 ms */
|
|
|
1267 SetTimer (hwnd, SOCK_TIMER_ID, 250, NULL);
|
|
|
1268
|
|
|
1269 while (1)
|
|
|
1270 {
|
|
|
1271 MSG msg;
|
|
800
|
1272 qxeGetMessage (&msg, hwnd, 0, 0);
|
|
428
|
1273 if (msg.message == XM_SOCKREPLY)
|
|
|
1274 {
|
|
|
1275 /* Ok, got an answer */
|
|
563
|
1276 errcode = WSAGETASYNCERROR (msg.lParam);
|
|
428
|
1277 goto done;
|
|
|
1278 }
|
|
|
1279 else if (msg.message == WM_TIMER && msg.wParam == SOCK_TIMER_ID)
|
|
|
1280 {
|
|
|
1281 if (QUITP)
|
|
|
1282 {
|
|
|
1283 WSACancelAsyncRequest (hasync);
|
|
|
1284 KillTimer (hwnd, SOCK_TIMER_ID);
|
|
|
1285 DestroyWindow (hwnd);
|
|
853
|
1286 QUIT;
|
|
428
|
1287 }
|
|
|
1288 }
|
|
800
|
1289 qxeDispatchMessage (&msg);
|
|
428
|
1290 }
|
|
|
1291
|
|
|
1292 done:
|
|
|
1293 KillTimer (hwnd, SOCK_TIMER_ID);
|
|
|
1294 DestroyWindow (hwnd);
|
|
563
|
1295 if (!errcode)
|
|
428
|
1296 {
|
|
|
1297 /* BUF starts with struct hostent */
|
|
771
|
1298 struct hostent *he = (struct hostent *) buf;
|
|
|
1299 address->sin_addr.s_addr = * (unsigned long *) he->h_addr_list[0];
|
|
428
|
1300 }
|
|
563
|
1301 return errcode;
|
|
428
|
1302 }
|
|
|
1303
|
|
|
1304 static Lisp_Object
|
|
|
1305 nt_canonicalize_host_name (Lisp_Object host)
|
|
|
1306 {
|
|
|
1307 struct sockaddr_in address;
|
|
|
1308
|
|
563
|
1309 if (get_internet_address (host, &address)) /* error */
|
|
428
|
1310 return host;
|
|
|
1311
|
|
|
1312 if (address.sin_family == AF_INET)
|
|
|
1313 return build_string (inet_ntoa (address.sin_addr));
|
|
|
1314 else
|
|
|
1315 return host;
|
|
|
1316 }
|
|
|
1317
|
|
|
1318 /* open a TCP network connection to a given HOST/SERVICE. Treated
|
|
|
1319 exactly like a normal process when reading and writing. Only
|
|
|
1320 differences are in status display and process deletion. A network
|
|
|
1321 connection has no PID; you cannot signal it. All you can do is
|
|
|
1322 deactivate and close it via delete-process */
|
|
|
1323
|
|
|
1324 static void
|
|
442
|
1325 nt_open_network_stream (Lisp_Object name, Lisp_Object host,
|
|
|
1326 Lisp_Object service,
|
|
771
|
1327 Lisp_Object protocol, void **vinfd, void **voutfd)
|
|
428
|
1328 {
|
|
|
1329 struct sockaddr_in address;
|
|
|
1330 SOCKET s;
|
|
|
1331 int port;
|
|
|
1332 int retval;
|
|
563
|
1333 int errnum;
|
|
428
|
1334
|
|
|
1335 CHECK_STRING (host);
|
|
|
1336
|
|
|
1337 if (!EQ (protocol, Qtcp))
|
|
563
|
1338 invalid_constant ("Unsupported protocol", protocol);
|
|
428
|
1339
|
|
|
1340 if (INTP (service))
|
|
|
1341 port = htons ((unsigned short) XINT (service));
|
|
|
1342 else
|
|
|
1343 {
|
|
|
1344 struct servent *svc_info;
|
|
771
|
1345 Extbyte *servext;
|
|
|
1346
|
|
428
|
1347 CHECK_STRING (service);
|
|
771
|
1348 LISP_STRING_TO_EXTERNAL (service, servext,
|
|
|
1349 Qmswindows_service_name_encoding);
|
|
|
1350
|
|
|
1351 svc_info = getservbyname (servext, "tcp");
|
|
428
|
1352 if (svc_info == 0)
|
|
442
|
1353 invalid_argument ("Unknown service", service);
|
|
428
|
1354 port = svc_info->s_port;
|
|
|
1355 }
|
|
|
1356
|
|
563
|
1357 retval = get_internet_address (host, &address);
|
|
|
1358 if (retval)
|
|
|
1359 mswindows_report_winsock_error ("Getting IP address", host,
|
|
|
1360 retval);
|
|
428
|
1361 address.sin_port = port;
|
|
|
1362
|
|
|
1363 s = socket (address.sin_family, SOCK_STREAM, 0);
|
|
|
1364 if (s < 0)
|
|
563
|
1365 mswindows_report_winsock_error ("Creating socket", name,
|
|
|
1366 WSAGetLastError ());
|
|
428
|
1367
|
|
|
1368 /* We don't want to be blocked on connect */
|
|
|
1369 {
|
|
|
1370 unsigned long nonblock = 1;
|
|
|
1371 ioctlsocket (s, FIONBIO, &nonblock);
|
|
|
1372 }
|
|
854
|
1373
|
|
428
|
1374 retval = connect (s, (struct sockaddr *) &address, sizeof (address));
|
|
|
1375 if (retval != NO_ERROR && WSAGetLastError() != WSAEWOULDBLOCK)
|
|
563
|
1376 {
|
|
|
1377 errnum = WSAGetLastError ();
|
|
|
1378 goto connect_failed;
|
|
|
1379 }
|
|
|
1380
|
|
|
1381 #if 0 /* PUTA! I thought getsockopt() was failing, so I created the
|
|
|
1382 following based on the code in get_internet_address(), but
|
|
|
1383 it was my own fault down below. Both versions should work. */
|
|
428
|
1384 /* Wait while connection is established */
|
|
563
|
1385 {
|
|
|
1386 HWND hwnd;
|
|
|
1387
|
|
|
1388 /* Create a window which will receive completion messages */
|
|
771
|
1389 hwnd = qxeCreateWindow (XETEXT ("STATIC"), NULL, WS_OVERLAPPED, 0, 0, 1, 1,
|
|
|
1390 NULL, NULL, NULL, NULL);
|
|
563
|
1391 assert (hwnd);
|
|
|
1392
|
|
|
1393 /* Post request */
|
|
|
1394 if (WSAAsyncSelect (s, hwnd, XM_SOCKREPLY, FD_CONNECT))
|
|
|
1395 {
|
|
|
1396 errnum = WSAGetLastError ();
|
|
|
1397 goto done;
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 /* Set a timer to poll for quit every 250 ms */
|
|
|
1401 SetTimer (hwnd, SOCK_TIMER_ID, 250, NULL);
|
|
|
1402
|
|
|
1403 while (1)
|
|
|
1404 {
|
|
|
1405 MSG msg;
|
|
|
1406 GetMessage (&msg, hwnd, 0, 0);
|
|
|
1407 if (msg.message == XM_SOCKREPLY)
|
|
|
1408 {
|
|
|
1409 /* Ok, got an answer */
|
|
|
1410 errnum = WSAGETASYNCERROR (msg.lParam);
|
|
|
1411 goto done;
|
|
|
1412 }
|
|
|
1413
|
|
|
1414 else if (msg.message == WM_TIMER && msg.wParam == SOCK_TIMER_ID)
|
|
|
1415 {
|
|
|
1416 if (QUITP)
|
|
|
1417 {
|
|
|
1418 WSAAsyncSelect (s, hwnd, XM_SOCKREPLY, 0);
|
|
|
1419 KillTimer (hwnd, SOCK_TIMER_ID);
|
|
|
1420 DestroyWindow (hwnd);
|
|
853
|
1421 QUIT;
|
|
563
|
1422 }
|
|
|
1423 }
|
|
|
1424 DispatchMessage (&msg);
|
|
|
1425 }
|
|
|
1426
|
|
|
1427 done:
|
|
|
1428 WSAAsyncSelect (s, hwnd, XM_SOCKREPLY, 0);
|
|
|
1429 KillTimer (hwnd, SOCK_TIMER_ID);
|
|
|
1430 DestroyWindow (hwnd);
|
|
|
1431 if (errnum)
|
|
|
1432 goto connect_failed;
|
|
|
1433 }
|
|
|
1434
|
|
|
1435 #else
|
|
428
|
1436 while (1)
|
|
|
1437 {
|
|
563
|
1438 fd_set fdwriteset, fdexceptset;
|
|
428
|
1439 struct timeval tv;
|
|
|
1440 int nsel;
|
|
|
1441
|
|
|
1442 if (QUITP)
|
|
|
1443 {
|
|
|
1444 closesocket (s);
|
|
853
|
1445 QUIT;
|
|
428
|
1446 }
|
|
|
1447
|
|
|
1448 /* Poll for quit every 250 ms */
|
|
|
1449 tv.tv_sec = 0;
|
|
|
1450 tv.tv_usec = 250 * 1000;
|
|
|
1451
|
|
563
|
1452 FD_ZERO (&fdwriteset);
|
|
|
1453 FD_SET (s, &fdwriteset);
|
|
|
1454 FD_ZERO (&fdexceptset);
|
|
|
1455 FD_SET (s, &fdexceptset);
|
|
|
1456 nsel = select (0, NULL, &fdwriteset, &fdexceptset, &tv);
|
|
|
1457
|
|
|
1458 if (nsel == SOCKET_ERROR)
|
|
|
1459 {
|
|
|
1460 errnum = WSAGetLastError ();
|
|
|
1461 goto connect_failed;
|
|
|
1462 }
|
|
428
|
1463
|
|
|
1464 if (nsel > 0)
|
|
|
1465 {
|
|
|
1466 /* Check: was connection successful or not? */
|
|
563
|
1467 if (FD_ISSET (s, &fdwriteset))
|
|
|
1468 break;
|
|
|
1469 else if (FD_ISSET (s, &fdexceptset))
|
|
|
1470 {
|
|
|
1471 int store_me_harder = sizeof (errnum);
|
|
|
1472 /* OK, we finally can get the REAL error code. Any paths
|
|
|
1473 in this code that lead to a call of WSAGetLastError()
|
|
|
1474 indicate probable logic failure. */
|
|
|
1475 if (getsockopt (s, SOL_SOCKET, SO_ERROR, (char *) &errnum,
|
|
|
1476 &store_me_harder))
|
|
|
1477 errnum = WSAGetLastError ();
|
|
|
1478 goto connect_failed;
|
|
|
1479 }
|
|
428
|
1480 else
|
|
563
|
1481 {
|
|
|
1482 signal_error (Qinternal_error,
|
|
|
1483 "Porra, esse caralho de um sistema de operacao",
|
|
|
1484 Qunbound);
|
|
|
1485 break;
|
|
|
1486 }
|
|
428
|
1487 }
|
|
|
1488 }
|
|
563
|
1489 #endif
|
|
428
|
1490
|
|
|
1491 /* We are connected at this point */
|
|
771
|
1492 *vinfd = (void *)s;
|
|
428
|
1493 DuplicateHandle (GetCurrentProcess(), (HANDLE)s,
|
|
|
1494 GetCurrentProcess(), (LPHANDLE)voutfd,
|
|
|
1495 0, FALSE, DUPLICATE_SAME_ACCESS);
|
|
|
1496 return;
|
|
|
1497
|
|
563
|
1498 connect_failed:
|
|
|
1499 {
|
|
|
1500 closesocket (s);
|
|
|
1501 mswindows_report_winsock_error ("Connection failed",
|
|
|
1502 list3 (Qunbound, host, service),
|
|
|
1503 errnum);
|
|
|
1504 }
|
|
428
|
1505 }
|
|
|
1506
|
|
|
1507 #endif
|
|
771
|
1508
|
|
|
1509
|
|
|
1510 DEFUN ("mswindows-set-process-priority", Fmswindows_set_process_priority, 2, 2, "", /*
|
|
|
1511 Set the priority of PROCESS to PRIORITY.
|
|
|
1512 If PROCESS is nil, the priority of Emacs is changed, otherwise the
|
|
|
1513 priority of the process whose pid is PROCESS is changed.
|
|
|
1514 PRIORITY should be one of the symbols high, normal, or low;
|
|
|
1515 any other symbol will be interpreted as normal.
|
|
|
1516
|
|
|
1517 If successful, the return value is t, otherwise nil.
|
|
|
1518 */
|
|
|
1519 (process, priority))
|
|
|
1520 {
|
|
|
1521 HANDLE proc_handle = GetCurrentProcess ();
|
|
|
1522 DWORD priority_class = NORMAL_PRIORITY_CLASS;
|
|
|
1523 Lisp_Object result = Qnil;
|
|
|
1524
|
|
|
1525 CHECK_SYMBOL (priority);
|
|
|
1526
|
|
|
1527 if (!NILP (process))
|
|
|
1528 {
|
|
|
1529 DWORD pid;
|
|
|
1530 struct Lisp_Process *p = 0;
|
|
|
1531
|
|
|
1532 if (PROCESSP (process))
|
|
|
1533 {
|
|
|
1534 CHECK_LIVE_PROCESS (process);
|
|
|
1535 p = XPROCESS (process);
|
|
|
1536 pid = NT_DATA (p)->dwProcessId;
|
|
|
1537 }
|
|
|
1538 else
|
|
|
1539 {
|
|
|
1540 CHECK_INT (process);
|
|
|
1541
|
|
|
1542 /* Allow pid to be an internally generated one, or one obtained
|
|
|
1543 externally. This is necessary because real pids on Win95 are
|
|
|
1544 negative. */
|
|
|
1545
|
|
|
1546 pid = XINT (process);
|
|
|
1547 p = find_process_from_pid (pid);
|
|
|
1548 if (p != NULL)
|
|
|
1549 pid = NT_DATA (p)->dwProcessId;
|
|
|
1550 }
|
|
|
1551
|
|
|
1552 /* #### Should we be using the existing process handle from NT_DATA(p)?
|
|
|
1553 Will we fail if we open it a second time? */
|
|
|
1554 proc_handle = OpenProcess (PROCESS_SET_INFORMATION, FALSE, pid);
|
|
|
1555 }
|
|
|
1556
|
|
|
1557 if (EQ (priority, Qhigh))
|
|
|
1558 priority_class = HIGH_PRIORITY_CLASS;
|
|
|
1559 else if (EQ (priority, Qlow))
|
|
|
1560 priority_class = IDLE_PRIORITY_CLASS;
|
|
|
1561
|
|
|
1562 if (proc_handle != NULL)
|
|
|
1563 {
|
|
|
1564 if (SetPriorityClass (proc_handle, priority_class))
|
|
|
1565 result = Qt;
|
|
|
1566 if (!NILP (process))
|
|
|
1567 CloseHandle (proc_handle);
|
|
|
1568 }
|
|
|
1569
|
|
|
1570 return result;
|
|
|
1571 }
|
|
|
1572
|
|
428
|
1573
|
|
|
1574 /*-----------------------------------------------------------------------*/
|
|
|
1575 /* Initialization */
|
|
|
1576 /*-----------------------------------------------------------------------*/
|
|
|
1577
|
|
|
1578 void
|
|
|
1579 process_type_create_nt (void)
|
|
|
1580 {
|
|
|
1581 PROCESS_HAS_METHOD (nt, alloc_process_data);
|
|
|
1582 PROCESS_HAS_METHOD (nt, finalize_process_data);
|
|
|
1583 PROCESS_HAS_METHOD (nt, init_process);
|
|
|
1584 PROCESS_HAS_METHOD (nt, create_process);
|
|
|
1585 PROCESS_HAS_METHOD (nt, update_status_if_terminated);
|
|
|
1586 PROCESS_HAS_METHOD (nt, send_process);
|
|
2367
|
1587 PROCESS_HAS_METHOD (nt, deactivate_process);
|
|
428
|
1588 PROCESS_HAS_METHOD (nt, kill_child_process);
|
|
|
1589 PROCESS_HAS_METHOD (nt, kill_process_by_pid);
|
|
|
1590 #ifdef HAVE_SOCKETS
|
|
|
1591 PROCESS_HAS_METHOD (nt, canonicalize_host_name);
|
|
|
1592 PROCESS_HAS_METHOD (nt, open_network_stream);
|
|
|
1593 #ifdef HAVE_MULTICAST
|
|
|
1594 #error I won't do this until '95 has winsock2
|
|
|
1595 PROCESS_HAS_METHOD (nt, open_multicast_group);
|
|
|
1596 #endif
|
|
|
1597 #endif
|
|
|
1598 }
|
|
|
1599
|
|
|
1600 void
|
|
|
1601 syms_of_process_nt (void)
|
|
|
1602 {
|
|
771
|
1603 DEFSUBR (Fmswindows_set_process_priority);
|
|
442
|
1604 DEFSYMBOL (Qmswindows_construct_process_command_line);
|
|
428
|
1605 }
|
|
|
1606
|
|
|
1607 void
|
|
|
1608 vars_of_process_nt (void)
|
|
|
1609 {
|
|
442
|
1610 DEFVAR_LISP ("mswindows-start-process-share-console",
|
|
|
1611 &Vmswindows_start_process_share_console /*
|
|
|
1612 When nil, new child processes are given a new console.
|
|
|
1613 When non-nil, they share the Emacs console; this has the limitation of
|
|
638
|
1614 allowing only one DOS subprocess to run at a time (whether started directly
|
|
442
|
1615 or indirectly by Emacs), and preventing Emacs from cleanly terminating the
|
|
|
1616 subprocess group, but may allow Emacs to interrupt a subprocess that doesn't
|
|
|
1617 otherwise respond to interrupts from Emacs.
|
|
|
1618 */ );
|
|
|
1619 Vmswindows_start_process_share_console = Qnil;
|
|
|
1620
|
|
|
1621 DEFVAR_LISP ("mswindows-start-process-inherit-error-mode",
|
|
|
1622 &Vmswindows_start_process_inherit_error_mode /*
|
|
|
1623 "When nil, new child processes revert to the default error mode.
|
|
|
1624 When non-nil, they inherit their error mode setting from Emacs, which stops
|
|
|
1625 them blocking when trying to access unmounted drives etc.
|
|
|
1626 */ );
|
|
|
1627 Vmswindows_start_process_inherit_error_mode = Qt;
|
|
428
|
1628 }
|
