annotate src/process.h @ 771:943eaba38521

[xemacs-hg @ 2002-03-13 08:51:24 by ben] The big ben-mule-21-5 check-in! Various files were added and deleted. See CHANGES-ben-mule. There are still some test suite failures. No crashes, though. Many of the failures have to do with problems in the test suite itself rather than in the actual code. I'll be addressing these in the next day or so -- none of the test suite failures are at all critical. Meanwhile I'll be trying to address the biggest issues -- i.e. build or run failures, which will almost certainly happen on various platforms. All comments should be sent to ben@xemacs.org -- use a Cc: if necessary when sending to mailing lists. There will be pre- and post- tags, something like pre-ben-mule-21-5-merge-in, and post-ben-mule-21-5-merge-in.
author ben
date Wed, 13 Mar 2002 08:54:06 +0000
parents af57a77cbc92
children e38acbeb1cae
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1 /* Definitions for asynchronous process control in XEmacs.
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2 Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 #ifndef INCLUDED_process_h_
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22 #define INCLUDED_process_h_
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23
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24 #if defined (NO_SUBPROCESSES)
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25 #undef XPROCESS
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26 #undef CHECK_PROCESS
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27 #undef XSETPROCESS
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28 #define PROCESSP(x) 0
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29 #define PROCESS_LIVE_P(x) 0
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30 #define Fprocess_status(x) Qnil
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31 #define Fget_process(x) Qnil
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32 #define Fget_buffer_process(x) Qnil
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33 #define kill_buffer_processes(x) 0
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34 #define close_process_descs() 0
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35 #define init_xemacs_process() 0
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36 void wait_without_blocking (void);
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37
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38 #else /* not NO_SUBPROCESSES */
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39
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40 /* struct Lisp_Process is defined in procimpl.h; only process-*.c need
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41 to know about the guts of it. */
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42
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43 DECLARE_LRECORD (process, Lisp_Process);
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44 #define XPROCESS(x) XRECORD (x, process, Lisp_Process)
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45 #define XSETPROCESS(x, p) XSETRECORD (x, p, process)
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46 #define wrap_process(p) wrap_record (p, process)
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47 #define PROCESSP(x) RECORDP (x, process)
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48 #define CHECK_PROCESS(x) CHECK_RECORD (x, process)
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49 #define PROCESS_LIVE_P(x) (!NILP ((x)->pipe_instream))
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50
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51 #define CHECK_LIVE_PROCESS(x) do { \
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52 CHECK_PROCESS (x); \
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53 if (! PROCESS_LIVE_P (XPROCESS (x))) \
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54 dead_wrong_type_argument (Qprocess_live_p, (x)); \
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55 } while (0)
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56
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57 #ifdef emacs
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58
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59 EXFUN (Fprocess_kill_without_query, 2);
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60 EXFUN (Fprocess_id, 1);
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61
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62 extern Lisp_Object Qprocess_live_p;
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63
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64 Lisp_Object connect_to_file_descriptor (Lisp_Object name,
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65 Lisp_Object buffer,
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66 Lisp_Object infd,
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67 Lisp_Object outfd);
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68 int connected_via_filedesc_p (Lisp_Process *p);
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69 void kill_buffer_processes (Lisp_Object buffer);
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70 void close_process_descs (void);
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71
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72 void set_process_filter (Lisp_Object proc,
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73 Lisp_Object filter, int filter_does_read);
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74
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75 /* True iff we are about to fork off a synchronous process or if we
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76 are waiting for it. */
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77 extern volatile int synch_process_alive;
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78
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79 /* Nonzero => this is a string explaining death of synchronous subprocess. */
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80 extern const char *synch_process_death;
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81
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82 /* If synch_process_death is zero,
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83 this is exit code of synchronous subprocess. */
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84 extern int synch_process_retcode;
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87 void update_process_status (Lisp_Object p,
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88 Lisp_Object status_symbol,
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89 int exit_code, int core_dumped);
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90
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91 void get_process_streams (Lisp_Process *p,
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92 Lisp_Object *instr, Lisp_Object *outstr);
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93 int get_process_selected_p (Lisp_Process *p);
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94 void set_process_selected_p (Lisp_Process *p, int selected_p);
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95
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96 Lisp_Process *get_process_from_usid (USID usid);
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97
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98 #ifdef HAVE_SOCKETS
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99 int network_connection_p (Lisp_Object process);
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100 #else
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101 #define network_connection_p(x) 0
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102 #endif
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103
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104 extern Lisp_Object Qclosed, Qmulticast, Qopen, Qrun, Qstop, Qtcp, Qudp;
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105 extern Lisp_Object Vprocess_connection_type, Vprocess_list;
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106
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107 /* Report all recent events of a change in process status
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108 (either run the sentinel or output a message).
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109 This is done while Emacs is waiting for keyboard input. */
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110 void status_notify (void);
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111 void kick_status_notify (void);
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112
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113 void deactivate_process (Lisp_Object proc);
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114
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115 #ifdef WIN32_NATIVE
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116 int
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117 #else
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118 void
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119 #endif
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120 child_setup (int in, int out, int err,
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121 Intbyte **new_argv, Lisp_Object current_dir);
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122
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123 Charcount read_process_output (Lisp_Object proc);
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124
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125 const char *signal_name (int signum);
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126
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127 Lisp_Object canonicalize_host_name (Lisp_Object host);
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128
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129 #endif /* not NO_SUBPROCESSES */
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130
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131 /* The name of the file open to get a null file, or a data sink.
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132 MS-DOS, and OS/2 redefine this. */
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133 #ifndef NULL_DEVICE
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134 #define NULL_DEVICE "/dev/null"
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135 #endif
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136
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137 /* A string listing the possible suffixes used for executable files,
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138 separated by colons. MS-DOS, and OS/2 redefine this. */
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139 #ifndef EXEC_SUFFIXES
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140 #define EXEC_SUFFIXES ""
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141 #endif
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142
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143 #endif /* emacs */
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144
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145 #endif /* INCLUDED_process_h_ */