annotate src/process.h @ 424:11054d720c21 r21-2-20

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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 _XEMACS_PROCESS_H_
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22 #define _XEMACS_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 /* Only process.c needs to know about the guts of this */
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41 struct Lisp_Process;
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42
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43 DECLARE_LRECORD (process, struct Lisp_Process);
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44 #define XPROCESS(x) XRECORD (x, process, struct Lisp_Process)
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45 #define XSETPROCESS(x, p) XSETRECORD (x, p, process)
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46 #define PROCESSP(x) RECORDP (x, process)
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47 #define CHECK_PROCESS(x) CHECK_RECORD (x, process)
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48 #define PROCESS_LIVE_P(x) (!NILP (XPROCESS(x)->pipe_instream))
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49
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50 #ifdef emacs
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51
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52 EXFUN (Fprocess_kill_without_query, 2);
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53 EXFUN (Fprocess_id, 1);
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54
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55 Lisp_Object connect_to_file_descriptor (Lisp_Object name,
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56 Lisp_Object buffer,
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57 Lisp_Object infd,
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58 Lisp_Object outfd);
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59 int connected_via_filedesc_p (struct Lisp_Process *p);
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60 void kill_buffer_processes (Lisp_Object buffer);
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61 void close_process_descs (void);
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62
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63 void set_process_filter (Lisp_Object proc,
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64 Lisp_Object filter, int filter_does_read);
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65
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66 /* True iff we are about to fork off a synchronous process or if we
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67 are waiting for it. */
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68 extern volatile int synch_process_alive;
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69
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70 /* Nonzero => this is a string explaining death of synchronous subprocess. */
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71 extern CONST char *synch_process_death;
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72
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73 /* If synch_process_death is zero,
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74 this is exit code of synchronous subprocess. */
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75 extern int synch_process_retcode;
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76
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78 void update_process_status (Lisp_Object p,
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79 Lisp_Object status_symbol,
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80 int exit_code, int core_dumped);
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81
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82 void get_process_streams (struct Lisp_Process *p,
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83 Lisp_Object *instr, Lisp_Object *outstr);
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84 int get_process_selected_p (struct Lisp_Process *p);
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85 void set_process_selected_p (struct Lisp_Process *p, int selected_p);
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86
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87 struct Lisp_Process *get_process_from_usid (USID usid);
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88
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89 #ifdef HAVE_SOCKETS
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90 int network_connection_p (Lisp_Object process);
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91 #else
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92 #define network_connection_p(x) 0
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93 #endif
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94
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95 extern Lisp_Object Qclosed, Qmulticast, Qopen, Qrun, Qstop, Qtcp, Qudp;
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96 extern Lisp_Object Vprocess_connection_type, Vprocess_list;
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97
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98 /* Report all recent events of a change in process status
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99 (either run the sentinel or output a message).
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100 This is done while Emacs is waiting for keyboard input. */
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101 void status_notify (void);
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102 void kick_status_notify (void);
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103
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104 void deactivate_process (Lisp_Object proc);
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105
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106 #ifdef WINDOWSNT
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107 int
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108 #else
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109 void
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110 #endif
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111 child_setup (int in, int out, int err,
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112 char **new_argv, CONST char *current_dir);
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113
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114 Charcount read_process_output (Lisp_Object proc);
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115
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116 CONST char *signal_name (int signum);
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117
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118 Lisp_Object canonicalize_host_name (Lisp_Object host);
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119
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120 #endif /* not NO_SUBPROCESSES */
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121
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122 /* The name of the file open to get a null file, or a data sink.
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123 MS-DOS, and OS/2 redefine this. */
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124 #ifndef NULL_DEVICE
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125 #define NULL_DEVICE "/dev/null"
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126 #endif
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127
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128 /* A string listing the possible suffixes used for executable files,
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129 separated by colons. MS-DOS, and OS/2 redefine this. */
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130 #ifndef EXEC_SUFFIXES
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131 #define EXEC_SUFFIXES ""
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132 #endif
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133
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134 #endif /* emacs */
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135
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136 #ifdef HAVE_GETPT
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137 #define PTY_ITERATION
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138 #define PTY_OPEN \
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139 if ((fd = getpt()) < 0 || grantpt (fd) < 0 || unlockpt (fd) < 0) \
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140 return -1;
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141 #define PTY_NAME_SPRINTF
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142 #define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ptsname (fd));
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143 #endif
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144
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145 #endif /* _XEMACS_PROCESS_H_ */