/* Definitions for asynchronous process control in GNU Emacs.
- Copyright (C) 1985, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1994, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
/* This structure records information about a subprocess
or network connection.
struct Lisp_Process
{
- EMACS_INT size;
+ EMACS_UINT size;
struct Lisp_Vector *v_next;
- /* Descriptor by which we read from this process */
- Lisp_Object infd;
- /* Descriptor by which we write to this process */
- Lisp_Object outfd;
/* Name of subprocess terminal. */
Lisp_Object tty_name;
/* Name of this process */
Lisp_Object log;
/* Buffer that output is going to */
Lisp_Object buffer;
- /* Number of this process */
- Lisp_Object pid;
- /* Non-nil if this is really a command channel */
- Lisp_Object command_channel_p;
/* t if this is a real child process.
For a net connection, it is a plist based on the arguments to make-network-process. */
Lisp_Object childp;
Lisp_Object plist;
/* Marker set to end of last buffer-inserted output from this process */
Lisp_Object mark;
- /* Non-nil means kill silently if Emacs is exited.
- This is the inverse of the `query-on-exit' flag. */
- Lisp_Object kill_without_query;
- /* Record the process status in the raw form in which it comes from `wait'.
- This is to avoid consing in a signal handler. */
- Lisp_Object raw_status_low;
- Lisp_Object raw_status_high;
/* Symbol indicating status of process.
This may be a symbol: run, open, or closed.
Or it may be a list, whose car is stop, exit or signal
and whose cdr is a pair (EXIT_CODE . COREDUMP_FLAG)
or (SIGNAL_NUMBER . COREDUMP_FLAG). */
Lisp_Object status;
- /* Non-nil if communicating through a pty. */
- Lisp_Object pty_flag;
- /* Event-count of last event in which this process changed status. */
- Lisp_Object tick;
- /* Event-count of last such event reported. */
- Lisp_Object update_tick;
/* Coding-system for decoding the input from this process. */
Lisp_Object decode_coding_system;
/* Working buffer for decoding. */
Lisp_Object decoding_buf;
- /* Size of carryover in decoding. */
- Lisp_Object decoding_carryover;
/* Coding-system for encoding the output to this process. */
Lisp_Object encode_coding_system;
/* Working buffer for encoding. */
Lisp_Object encoding_buf;
- /* Size of carryover in encoding. */
- Lisp_Object encoding_carryover;
+
+ /* After this point, there are no Lisp_Objects any more. */
+ /* alloc.c assumes that `pid' is the first such non-Lisp slot. */
+
+ /* Number of this process.
+ allocate_process assumes this is the first non-Lisp_Object field.
+ A value 0 is used for pseudo-processes such as network connections. */
+ pid_t pid;
+ /* Descriptor by which we read from this process */
+ int infd;
+ /* Descriptor by which we write to this process */
+ int outfd;
+ /* Event-count of last event in which this process changed status. */
+ int tick;
+ /* Event-count of last such event reported. */
+ int update_tick;
+ /* Size of carryover in decoding. */
+ int decoding_carryover;
+ /* Hysteresis to try to read process output in larger blocks.
+ On some systems, e.g. GNU/Linux, Emacs is seen as
+ an interactive app also when reading process output, meaning
+ that process output can be read in as little as 1 byte at a
+ time. Value is micro-seconds to delay reading output from
+ this process. Range is 0 .. 50000. */
+ int read_output_delay;
+ /* Should we delay reading output from this process.
+ Initialized from `Vprocess_adaptive_read_buffering'.
+ 0 = nil, 1 = t, 2 = other. */
+ int adaptive_read_buffering : 2;
+ /* Skip reading this process on next read. */
+ int read_output_skip : 1;
+ /* Non-nil means kill silently if Emacs is exited.
+ This is the inverse of the `query-on-exit' flag. */
+ int kill_without_query : 1;
+ /* Non-nil if communicating through a pty. */
+ int pty_flag : 1;
/* Flag to set coding-system of the process buffer from the
coding_system used to decode process output. */
- Lisp_Object inherit_coding_system_flag;
- /* Flat to decide the multibyteness of a string given to the
+ int inherit_coding_system_flag : 1;
+ /* Flag to decide the multibyteness of a string given to the
filter (if any). It is initialized to the value of
`default-enable-multibyte-characters' when the process is
generated, and can be changed by the function
- `set-process-fileter-multibyte'. */
- Lisp_Object filter_multibyte;
+ `set-process-filter-multibyte'. */
+ int filter_multibyte : 1;
+ /* Record the process status in the raw form in which it comes from `wait'.
+ This is to avoid consing in a signal handler. The `raw_status_new'
+ flag indicates that `raw_status' contains a new status that still
+ needs to be synced to `status'. */
+ int raw_status_new : 1;
+ int raw_status;
};
/* Every field in the preceding structure except for the first two
/* Alist of elements (NAME . PROCESS). */
extern Lisp_Object Vprocess_alist;
-/* True iff we are about to fork off a synchronous process or if we
+/* True if we are about to fork off a synchronous process or if we
are waiting for it. */
extern int synch_process_alive;
/* Nonzero => this is a string explaining death of synchronous subprocess. */
extern char *synch_process_death;
+/* Nonzero => this is the signal number that terminated the subprocess. */
+extern int synch_process_termsig;
+
/* If synch_process_death is zero,
this is exit code of synchronous subprocess. */
extern int synch_process_retcode;
#define NULL_DEVICE "/dev/null"
#endif
+/* Nonzero means don't run process sentinels. This is used
+ when exiting. */
+extern int inhibit_sentinels;
+
/* arch-tag: dffedfc4-d7bc-4b58-a26f-c16155449c72
(do not change this comment) */
HCoop / bpt / emacs.git / blobdiff