|
428
|
1 /* System-dependent prototypes
|
|
|
2 Copyright (C) 1985, 1993, 1994 Free Software Foundation, Inc.
|
|
|
3
|
|
|
4 This file is part of XEmacs.
|
|
|
5
|
|
|
6 XEmacs is free software; you can redistribute it and/or modify it
|
|
|
7 under the terms of the GNU General Public License as published by the
|
|
|
8 Free Software Foundation; either version 2, or (at your option) any
|
|
|
9 later version.
|
|
|
10
|
|
|
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
|
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
14 for more details.
|
|
|
15
|
|
|
16 You should have received a copy of the GNU General Public License
|
|
|
17 along with XEmacs; see the file COPYING. If not, write to
|
|
|
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
19 Boston, MA 02111-1307, USA. */
|
|
|
20
|
|
|
21 /* Synched up with: FSF 19.30. Split out of sysdep.c/emacs.c. */
|
|
|
22
|
|
|
23 #ifndef _XEMACS_SYSDEP_H_
|
|
|
24 #define _XEMACS_SYSDEP_H_
|
|
|
25
|
|
|
26 #include <setjmp.h>
|
|
|
27
|
|
|
28 extern char **environ;
|
|
|
29
|
|
|
30 struct emacs_tty;
|
|
|
31 int emacs_get_tty (int fd, struct emacs_tty *settings);
|
|
|
32 int emacs_set_tty (int fd, struct emacs_tty *settings, int waitp);
|
|
|
33
|
|
|
34 int eight_bit_tty (struct device *d);
|
|
|
35
|
|
|
36 void stuff_char (struct console *con, int c);
|
|
|
37
|
|
|
38 void init_baud_rate (struct device *d);
|
|
|
39
|
|
|
40 void set_exclusive_use (int fd);
|
|
|
41
|
|
|
42 void set_descriptor_non_blocking (int fd);
|
|
|
43
|
|
|
44 void wait_without_blocking (void);
|
|
|
45
|
|
|
46 int get_pty_max_bytes (int fd);
|
|
|
47 Bufbyte get_eof_char (int fd);
|
|
|
48
|
|
|
49 /* Wait for subprocess with process id `pid' to terminate and
|
|
|
50 make sure it will get eliminated (not remain forever as a zombie) */
|
|
|
51 void wait_for_termination (int pid);
|
|
|
52
|
|
|
53 /* flush any pending output
|
|
|
54 * (may flush input as well; it does not matter the way we use it)
|
|
|
55 */
|
|
|
56 void flush_pending_output (int channel);
|
|
|
57
|
|
|
58 void child_setup_tty (int out);
|
|
|
59
|
|
|
60 /* Suspend the Emacs process; give terminal to its superior. */
|
|
|
61 void sys_suspend (void);
|
|
|
62 /* Suspend a process if possible; give terminal to its superior. */
|
|
|
63 void sys_suspend_process (int process);
|
|
|
64
|
|
|
65 void request_sigio (void);
|
|
|
66 void unrequest_sigio (void);
|
|
|
67
|
|
|
68 void stop_interrupts (void);
|
|
|
69 void start_interrupts (void);
|
|
|
70 void slow_down_interrupts (void);
|
|
|
71 void speed_up_interrupts (void);
|
|
|
72 void init_poll_for_quit (void);
|
|
|
73 void reset_poll_for_quit (void);
|
|
|
74
|
|
|
75 /* Used so that signals can break out of system calls that aren't
|
|
|
76 naturally interruptible. */
|
|
|
77
|
|
|
78 extern JMP_BUF break_system_call_jump;
|
|
|
79 extern volatile int can_break_system_calls;
|
|
|
80
|
|
|
81 int sys_write_1 (int fildes, CONST void *buf, size_t nbyte,
|
|
|
82 int allow_quit);
|
|
|
83 int sys_read_1 (int fildes, void *buf, size_t nbyte,
|
|
|
84 int allow_quit);
|
|
|
85
|
|
|
86 /* Call these functions if you want to change some terminal parameter --
|
|
|
87 reset the console, change the parameter, and init it again. */
|
|
|
88 void init_one_console (struct console *c);
|
|
|
89 void reset_one_console (struct console *c);
|
|
|
90 void init_one_device (struct device *d);
|
|
|
91 void reset_one_device (struct device *d);
|
|
|
92
|
|
|
93 /* Prepare all terminals for exiting Emacs; move the cursor to the
|
|
|
94 bottom of the frame, turn off special modes, etc. Called at exit.
|
|
|
95 This calls reset_one_console() on all consoles and does some other
|
|
|
96 stuff (e.g. fix the foreground pgroup). */
|
|
|
97
|
|
|
98 void reset_all_consoles (void);
|
|
|
99
|
|
|
100 /* Call these functions if you are going to temporarily exit back to
|
|
|
101 the shell (e.g. when suspending). This calls reset_one_console()
|
|
|
102 on the initial console and does some other stuff (e.g. fix the
|
|
|
103 foreground pgroup). */
|
|
|
104
|
|
|
105 void reset_initial_console (void);
|
|
|
106 void reinit_initial_console (void);
|
|
|
107
|
|
|
108 /* We muck around with our process group. This function needs
|
|
|
109 to be called at startup. The rest of the mucking is done as
|
|
|
110 part of the functions reset_all_consoles(), reset_initial_console(),
|
|
|
111 and reinit_initial_console(). */
|
|
|
112
|
|
|
113 void init_process_group (void);
|
|
|
114 void munge_tty_process_group (void);
|
|
|
115 void unmunge_tty_process_group (void);
|
|
|
116
|
|
|
117 void disconnect_controlling_terminal (void);
|
|
|
118
|
|
|
119 /* Return nonzero if safe to use tabs in output.
|
|
|
120 At the time this is called, init_sys_modes has not been done yet. */
|
|
|
121 int tabs_safe_p (struct device *d);
|
|
|
122
|
|
|
123 /* Get terminal size from system.
|
|
|
124 If zero or a negative number is stored, the value is not valid. */
|
|
|
125 void get_tty_device_size (struct device *d, int *widthp, int *heightp);
|
|
|
126 /* Set the logical window size associated with descriptor FD */
|
|
|
127 int set_window_size (int fd, int height, int width);
|
|
|
128
|
|
|
129 /* Set up the proper status flags for use of a pty. */
|
|
|
130 void setup_pty (int fd);
|
|
|
131
|
|
|
132 /* Return the address of the start of the text segment prior to unexec. */
|
|
|
133 char *start_of_text (void);
|
|
|
134 /* Return the address of the start of the data segment prior to unexec. */
|
|
|
135 void *start_of_data (void);
|
|
|
136 /* Return the address of the end of the text segment prior to unexec. */
|
|
|
137 char *end_of_text (void);
|
|
|
138 /* Return the address of the end of the data segment prior to unexec. */
|
|
|
139 char *end_of_data (void);
|
|
|
140
|
|
|
141 /* Get_system_name returns as its value a string for system-name to return. */
|
|
|
142 void init_system_name (void);
|
|
|
143
|
|
|
144 #ifndef HAVE_GETCWD
|
|
|
145 char *getcwd (char *pathname, int size);
|
|
|
146 #endif
|
|
|
147
|
|
|
148 #ifndef HAVE_RENAME
|
|
|
149 int rename (CONST char *from, CONST char *to);
|
|
|
150 #endif
|
|
|
151
|
|
|
152 #ifndef HAVE_DUP2
|
|
|
153 int dup2 (int oldd, int newd);
|
|
|
154 #endif
|
|
|
155
|
|
|
156 #ifndef HAVE_STRERROR
|
|
|
157 /* X11R6 defines strerror as a macro */
|
|
|
158 # ifdef strerror
|
|
|
159 # undef strerror
|
|
|
160 # endif
|
|
|
161 CONST char *strerror (int);
|
|
|
162 #endif
|
|
|
163
|
|
|
164 #ifdef WINDOWSNT
|
|
|
165 void mswindows_set_errno (unsigned long win32_error);
|
|
|
166 void mswindows_set_last_errno (void);
|
|
|
167 #endif
|
|
|
168
|
|
|
169 int interruptible_open (CONST char *path, int oflag, int mode);
|
|
|
170
|
|
|
171 #ifndef HAVE_H_ERRNO
|
|
|
172 extern int h_errno;
|
|
|
173 #endif
|
|
|
174
|
|
|
175 #ifdef HAVE_REALPATH
|
|
|
176 #define xrealpath realpath
|
|
|
177 #else
|
|
|
178 char *xrealpath(CONST char *path, char resolved_path []);
|
|
|
179 #endif
|
|
|
180
|
|
|
181 #endif /* _XEMACS_SYSDEP_H_ */
|
