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bug#13026: Assume POSIX 1003.1-1988 or later for signal.h.
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From: |
Paul Eggert |
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Subject: |
bug#13026: Assume POSIX 1003.1-1988 or later for signal.h. |
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Date: |
Wed, 28 Nov 2012 22:52:31 -0800 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
Tags: patch
Attached is a proposed patch to simplify Emacs by assuming
POSIX 1003.1-1988 or later for signal.h, which I'd
like to install soon. This patch is relative to
trunk bzr 111026. Tested on Fedora 17.
=== modified file 'ChangeLog'
--- ChangeLog 2012-11-27 03:10:32 +0000
+++ ChangeLog 2012-11-29 06:46:35 +0000
@@ -1,3 +1,9 @@
+2012-11-29 Paul Eggert <eggert@cs.ucla.edu>
+
+ Assume POSIX 1003.1-1988 or later for signal.h.
+ * configure.ac (PTY_OPEN, PTY_TTY_NAME_SPRINTF):
+ Use SIGCHLD rather than SIGCLD.
+
2012-11-27 Eli Zaretskii <eliz@gnu.org>
* make-dist (nt): Adjust to changes in names of the *.manifest files.
=== modified file 'admin/CPP-DEFINES'
--- admin/CPP-DEFINES 2012-11-24 17:20:49 +0000
+++ admin/CPP-DEFINES 2012-11-29 06:46:35 +0000
@@ -419,14 +419,7 @@
PURESIZE
RUN_TIME_REMAP
SETUP_SLAVE_PTY
-SIGALRM
-SIGCHLD
-SIGHUP
-SIGKILL
SIGNALS_VIA_CHARACTERS
-SIGPIPE
-SIGQUIT
-SIGTRAP
STDC_HEADERS
SYSTEM_PURESIZE_EXTRA
SYSTEM_MALLOC
=== modified file 'admin/ChangeLog'
--- admin/ChangeLog 2012-11-24 17:20:49 +0000
+++ admin/ChangeLog 2012-11-29 06:46:35 +0000
@@ -1,3 +1,10 @@
+2012-11-29 Paul Eggert <eggert@cs.ucla.edu>
+
+ Assume POSIX 1003.1-1988 or later for signal.h.
+ * CPP-DEFINES (SIGALRM, SIGCHLD, SIGHUP, SIGKILL, SIGPIPE, SIGQUIT):
+ Remove.
+ (SIGTRAP): Remove this one too, as config.h no longer defines it.
+
2012-11-24 Ken Brown <kbrown@cornell.edu>
* CPP-DEFINES (HAVE_MOUSE): Remove.
=== modified file 'configure.ac'
--- configure.ac 2012-11-27 03:10:32 +0000
+++ configure.ac 2012-11-29 06:46:35 +0000
@@ -3600,7 +3600,7 @@
AC_DEFINE(PTY_ITERATION, [])
dnl Not used, because PTY_ITERATION is defined.
AC_DEFINE(FIRST_PTY_LETTER, ['q'])
- AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb;
char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL;
cstat.sa_flags = 0; sigaction(SIGCLD, &cstat, &ocstat); name = _getpty (&fd,
O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCLD, &ocstat, (struct sigaction *)0);
if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) < 0)
return -1; strcpy (pty_name, name); }])
+ AC_DEFINE(PTY_OPEN, [ { struct sigaction ocstat, cstat; struct stat stb;
char * name; sigemptyset(&cstat.sa_mask); cstat.sa_handler = SIG_DFL;
cstat.sa_flags = 0; sigaction(SIGCHLD, &cstat, &ocstat); name = _getpty (&fd,
O_RDWR | O_NDELAY, 0600, 0); sigaction(SIGCHLD, &ocstat, (struct sigaction
*)0); if (name == 0) return -1; if (fd < 0) return -1; if (fstat (fd, &stb) <
0) return -1; strcpy (pty_name, name); }])
dnl No need to get the pty name at all.
AC_DEFINE(PTY_NAME_SPRINTF, [])
dnl No need to use sprintf to get the tty name--we get that from _getpty.
@@ -3611,12 +3611,12 @@
dnl On SysVr4, grantpt(3) forks a subprocess, so keep sigchld_handler()
dnl from intercepting that death. If any child but grantpt's should die
dnl within, it should be caught after sigrelse(2).
- AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int
grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked,
SIGCLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt
(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 ||
unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return
-1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
+ AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int
grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked,
SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt
(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1 ||
unlockpt (fd) == -1 || !(ptyname = ptsname (fd))) { emacs_close (fd); return
-1; } snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
;;
unixware )
dnl Comments are as per sol2*.
- AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int
grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked,
SIGCLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt
(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1)
fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not
unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable
slave pty"); snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
+ AC_DEFINE(PTY_TTY_NAME_SPRINTF, [{ char *ptsname (int), *ptyname; int
grantpt_result; sigset_t blocked; sigemptyset (&blocked); sigaddset (&blocked,
SIGCHLD); pthread_sigmask (SIG_BLOCK, &blocked, 0); grantpt_result = grantpt
(fd); pthread_sigmask (SIG_UNBLOCK, &blocked, 0); if (grantpt_result == -1)
fatal("could not grant slave pty"); if (unlockpt(fd) == -1) fatal("could not
unlock slave pty"); if (!(ptyname = ptsname(fd))) fatal ("could not enable
slave pty"); snprintf (pty_name, sizeof pty_name, "%s", ptyname); }])
;;
esac
=== modified file 'lib-src/ChangeLog'
--- lib-src/ChangeLog 2012-11-27 05:17:07 +0000
+++ lib-src/ChangeLog 2012-11-29 06:46:35 +0000
@@ -1,3 +1,8 @@
+2012-11-29 Paul Eggert <eggert@cs.ucla.edu>
+
+ Assume POSIX 1003.1-1988 or later for signal.h.
+ * emacsclient.c (main): Assume SIGSTOP is defined.
+
2012-11-27 Paul Eggert <eggert@cs.ucla.edu>
Assume POSIX 1003.1-1988 or later for errno.h (Bug#12968).
=== modified file 'lib-src/emacsclient.c'
--- lib-src/emacsclient.c 2012-11-21 21:06:52 +0000
+++ lib-src/emacsclient.c 2012-11-29 06:46:35 +0000
@@ -1801,7 +1801,6 @@
needlf = str[0] == '\0' ? needlf : str[strlen (str) - 1] != '\n';
exit_status = EXIT_FAILURE;
}
-#ifdef SIGSTOP
else if (strprefix ("-suspend ", p))
{
/* -suspend: Suspend this terminal, i.e., stop the process. */
@@ -1810,7 +1809,6 @@
needlf = 0;
kill (0, SIGSTOP);
}
-#endif
else
{
/* Unknown command. */
=== modified file 'src/ChangeLog'
--- src/ChangeLog 2012-11-29 06:00:21 +0000
+++ src/ChangeLog 2012-11-29 06:47:50 +0000
@@ -1,3 +1,30 @@
+2012-11-29 Paul Eggert <eggert@cs.ucla.edu>
+
+ Assume POSIX 1003.1-1988 or later for signal.h.
+ * keyboard.c (stuff_buffered_input, handle_interrupt):
+ Assume SIGTSTP is defined.
+ * process.c (deleted_pid_list, Fdelete_process, create_process)
+ (record_child_status_change, handle_child_signal, deliver_child_signal)
+ (init_process_emacs, syms_of_process):
+ Assume SIGCHLD is defined.
+ (process_send_signal, Fcontinue_process): Assume SIGCONT is defined.
+ (Fstop_process): Assume SIGTSTP is defined.
+ (Fsignal_process): Assume SIGUSR1, SIGUSR2, SIGHUP, SIGQUIT,
+ SIGKILL, SIGPIPE, SIGALRM, SIGSTOP, SIGTSTP, SIGCONT, SIGCHLD,
+ SIGTTIN and SIGTTOU are defined.
+ * sysdep.c (stuff_char, sys_suspend): Assume SIGTSTP is defined.
+ (sys_suspend) [!MSDOS]: Use kill (0, ...) rather than
+ kill (getpgrp (), ...).
+ (tcsetpgrp_without_stopping): Assume SIGTTOU is defined.
+ (emacs_sigaction_init): Assume SIGCHLD is defined.
+ (init_signals): Assume SIGALRM, SIGCHLD, SIGCONT, SIGHUP, SIGKILL,
+ SIGPIPE, SIGQUIT, SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGUSR1 and
+ SIGUSR2 are defined. Do not worry about SIGCLD any more.
+ * syssignal.h (EMACS_KILLPG): Remove. All uses replaced by 'kill'
+ with a negative pid.
+ (SIGCHLD): Remove definition, as we now assume SIGCHLD.
+ * w32proc.c (sys_kill): Support negative pids compatibly with POSIX.
+
2012-11-29 Dmitry Antipov <dmantipov@yandex.ru>
* xdisp.c (window_outdated): Remove eassert since it hits
=== modified file 'src/callproc.c'
--- src/callproc.c 2012-11-29 00:36:22 +0000
+++ src/callproc.c 2012-11-29 06:46:35 +0000
@@ -97,7 +97,7 @@
CONS_TO_INTEGER (Fcar (fdpid), int, fd);
CONS_TO_INTEGER (Fcdr (fdpid), pid_t, pid);
emacs_close (fd);
- EMACS_KILLPG (pid, SIGKILL);
+ kill (-pid, SIGKILL);
synch_process_alive = 0;
return Qnil;
}
@@ -134,7 +134,7 @@
return Qnil;
}
- if (EMACS_KILLPG (pid, SIGINT) == 0)
+ if (kill (-pid, SIGINT) == 0)
{
ptrdiff_t count = SPECPDL_INDEX ();
record_unwind_protect (call_process_kill, fdpid);
=== modified file 'src/keyboard.c'
--- src/keyboard.c 2012-11-27 05:17:07 +0000
+++ src/keyboard.c 2012-11-29 06:46:35 +0000
@@ -10552,8 +10552,7 @@
void
stuff_buffered_input (Lisp_Object stuffstring)
{
-#ifdef SIGTSTP /* stuff_char is defined if SIGTSTP. */
- register unsigned char *p;
+ unsigned char *p;
if (STRINGP (stuffstring))
{
@@ -10584,7 +10583,6 @@
}
input_pending = 0;
-#endif /* SIGTSTP */
}
void
@@ -10689,22 +10687,13 @@
fflush (stdout);
reset_all_sys_modes ();
-#ifdef SIGTSTP /* Support possible in later USG versions */
/*
- * On systems which can suspend the current process and return to the original
- * shell, this command causes the user to end up back at the shell.
+ * Cause the user to end up back at the shell.
* The "Auto-save" and "Abort" questions are not asked until
* the user elects to return to emacs, at which point he can save the current
* job and either dump core or continue.
*/
sys_suspend ();
-#else
- /* Perhaps should really fork an inferior shell?
- But that would not provide any way to get back
- to the original shell, ever. */
- printf ("No support for stopping a process on this operating system;\n");
- printf ("you can continue or abort.\n");
-#endif /* not SIGTSTP */
#ifdef MSDOS
/* We must remain inside the screen area when the internal terminal
is used. Note that [Enter] is not echoed by dos. */
=== modified file 'src/process.c'
--- src/process.c 2012-11-27 05:17:07 +0000
+++ src/process.c 2012-11-29 06:46:35 +0000
@@ -773,13 +773,11 @@
}
-#ifdef SIGCHLD
/* Fdelete_process promises to immediately forget about the process, but in
reality, Emacs needs to remember those processes until they have been
treated by the SIGCHLD handler and waitpid has been invoked on them;
otherwise they might fill up the kernel's process table. */
static Lisp_Object deleted_pid_list;
-#endif
DEFUN ("delete-process", Fdelete_process, Sdelete_process, 1, 1, 0,
doc: /* Delete PROCESS: kill it and forget about it immediately.
@@ -802,7 +800,6 @@
}
else if (p->infd >= 0)
{
-#ifdef SIGCHLD
Lisp_Object symbol;
pid_t pid = p->pid;
@@ -820,7 +817,6 @@
deleted_pid_list
= Fdelete (make_fixnum_or_float (pid), deleted_pid_list);
else
-#endif
{
Fkill_process (process, Qnil);
/* Do this now, since remove_process will make the
@@ -1578,9 +1574,7 @@
#ifndef WINDOWSNT
int wait_child_setup[2];
#endif
-#ifdef SIGCHLD
sigset_t blocked;
-#endif
/* Use volatile to protect variables from being clobbered by vfork. */
volatile int forkin, forkout;
volatile int pty_flag = 0;
@@ -1680,13 +1674,11 @@
block_input ();
-#ifdef SIGCHLD
/* Block SIGCHLD until we have a chance to store the new fork's
pid in its process structure. */
sigemptyset (&blocked);
sigaddset (&blocked, SIGCHLD);
pthread_sigmask (SIG_BLOCK, &blocked, 0);
-#endif
#if HAVE_WORKING_VFORK
/* child_setup must clobber environ on systems with true vfork.
@@ -1800,10 +1792,8 @@
/* Emacs ignores SIGPIPE, but the child should not. */
signal (SIGPIPE, SIG_DFL);
-#ifdef SIGCHLD
/* Stop blocking signals in the child. */
pthread_sigmask (SIG_SETMASK, &empty_mask, 0);
-#endif
if (pty_flag)
child_setup_tty (xforkout);
@@ -1828,9 +1818,7 @@
XPROCESS (process)->alive = 1;
/* Stop blocking signals in the parent. */
-#ifdef SIGCHLD
pthread_sigmask (SIG_SETMASK, &empty_mask, 0);
-#endif
unblock_input ();
if (pid < 0)
@@ -4622,7 +4610,7 @@
yielding EBADF here or at select() call above.
So, SIGHUP is ignored (see def of PTY_TTY_NAME_SPRINTF
in m/ibmrt-aix.h), and here we just ignore the select error.
- Cleanup occurs c/o status_notify after SIGCLD. */
+ Cleanup occurs c/o status_notify after SIGCHLD. */
no_avail = 1; /* Cannot depend on values returned */
#else
emacs_abort ();
@@ -4820,10 +4808,8 @@
#endif /* HAVE_PTYS */
/* If we can detect process termination, don't consider the
process gone just because its pipe is closed. */
-#ifdef SIGCHLD
else if (nread == 0 && !NETCONN_P (proc) && !SERIALCONN_P (proc))
;
-#endif
else
{
/* Preserve status of processes already terminated. */
@@ -5686,7 +5672,7 @@
If we can, we try to signal PROCESS by sending control characters
down the pty. This allows us to signal inferiors who have changed
- their uid, for which killpg would return an EPERM error. */
+ their uid, for which kill would return an EPERM error. */
static void
process_send_signal (Lisp_Object process, int signo, Lisp_Object current_group,
@@ -5791,7 +5777,6 @@
switch (signo)
{
-#ifdef SIGCONT
case SIGCONT:
p->raw_status_new = 0;
pset_status (p, Qrun);
@@ -5802,7 +5787,7 @@
redisplay_preserve_echo_area (13);
}
break;
-#endif /* ! defined (SIGCONT) */
+
case SIGINT:
case SIGQUIT:
case SIGKILL:
@@ -5824,7 +5809,7 @@
if (!NILP (current_group))
{
if (ioctl (p->infd, TIOCSIGSEND, signo) == -1)
- EMACS_KILLPG (gid, signo);
+ kill (-gid, signo);
}
else
{
@@ -5832,7 +5817,7 @@
kill (gid, signo);
}
#else /* ! defined (TIOCSIGSEND) */
- EMACS_KILLPG (gid, signo);
+ kill (-gid, signo);
#endif /* ! defined (TIOCSIGSEND) */
}
@@ -5893,11 +5878,8 @@
pset_command (p, Qt);
return process;
}
-#ifndef SIGTSTP
- error ("No SIGTSTP support");
-#else
+
process_send_signal (process, SIGTSTP, current_group, 0);
-#endif
return process;
}
@@ -5929,11 +5911,8 @@
pset_command (p, Qnil);
return process;
}
-#ifdef SIGCONT
- process_send_signal (process, SIGCONT, current_group, 0);
-#else
- error ("No SIGCONT support");
-#endif
+
+ process_send_signal (process, SIGCONT, current_group, 0);
return process;
}
@@ -5994,28 +5973,18 @@
if (0)
;
-#ifdef SIGUSR1
parse_signal ("usr1", SIGUSR1);
-#endif
-#ifdef SIGUSR2
parse_signal ("usr2", SIGUSR2);
-#endif
parse_signal ("term", SIGTERM);
-#ifdef SIGHUP
parse_signal ("hup", SIGHUP);
-#endif
parse_signal ("int", SIGINT);
-#ifdef SIGQUIT
parse_signal ("quit", SIGQUIT);
-#endif
parse_signal ("ill", SIGILL);
parse_signal ("abrt", SIGABRT);
#ifdef SIGEMT
parse_signal ("emt", SIGEMT);
#endif
-#ifdef SIGKILL
parse_signal ("kill", SIGKILL);
-#endif
parse_signal ("fpe", SIGFPE);
#ifdef SIGBUS
parse_signal ("bus", SIGBUS);
@@ -6024,33 +5993,17 @@
#ifdef SIGSYS
parse_signal ("sys", SIGSYS);
#endif
-#ifdef SIGPIPE
parse_signal ("pipe", SIGPIPE);
-#endif
-#ifdef SIGALRM
parse_signal ("alrm", SIGALRM);
-#endif
#ifdef SIGURG
parse_signal ("urg", SIGURG);
#endif
-#ifdef SIGSTOP
parse_signal ("stop", SIGSTOP);
-#endif
-#ifdef SIGTSTP
parse_signal ("tstp", SIGTSTP);
-#endif
-#ifdef SIGCONT
parse_signal ("cont", SIGCONT);
-#endif
-#ifdef SIGCHLD
parse_signal ("chld", SIGCHLD);
-#endif
-#ifdef SIGTTIN
parse_signal ("ttin", SIGTTIN);
-#endif
-#ifdef SIGTTOU
parse_signal ("ttou", SIGTTOU);
-#endif
#ifdef SIGIO
parse_signal ("io", SIGIO);
#endif
@@ -6214,7 +6167,6 @@
void
record_child_status_change (pid_t pid, int w)
{
-#ifdef SIGCHLD
/* Record at most one child only if we already know one child that
has exited. */
@@ -6303,11 +6255,8 @@
if (input_available_clear_time)
*input_available_clear_time = make_emacs_time (0, 0);
}
-#endif
}
-#ifdef SIGCHLD
-
static void
handle_child_signal (int sig)
{
@@ -6319,8 +6268,6 @@
{
deliver_process_signal (sig, handle_child_signal);
}
-
-#endif /* SIGCHLD */
static Lisp_Object
@@ -7169,7 +7116,6 @@
inhibit_sentinels = 0;
-#ifdef SIGCHLD
#ifndef CANNOT_DUMP
if (! noninteractive || initialized)
#endif
@@ -7178,7 +7124,6 @@
emacs_sigaction_init (&action, deliver_child_signal);
sigaction (SIGCHLD, &action, 0);
}
-#endif
FD_ZERO (&input_wait_mask);
FD_ZERO (&non_keyboard_wait_mask);
@@ -7205,9 +7150,7 @@
#endif
Vprocess_alist = Qnil;
-#ifdef SIGCHLD
deleted_pid_list = Qnil;
-#endif
for (i = 0; i < MAXDESC; i++)
{
chan_process[i] = Qnil;
@@ -7334,9 +7277,7 @@
DEFSYM (Qlast_nonmenu_event, "last-nonmenu-event");
staticpro (&Vprocess_alist);
-#ifdef SIGCHLD
staticpro (&deleted_pid_list);
-#endif
#endif /* subprocesses */
=== modified file 'src/sysdep.c'
--- src/sysdep.c 2012-11-27 03:10:32 +0000
+++ src/sysdep.c 2012-11-29 06:46:35 +0000
@@ -213,8 +213,6 @@
}
-#ifdef SIGTSTP
-
/* Arrange for character C to be read as the next input from
the terminal.
XXX What if we have multiple ttys?
@@ -233,8 +231,6 @@
error ("Cannot stuff terminal input characters in this version of Unix");
#endif /* no TIOCSTI */
}
-
-#endif /* SIGTSTP */
void
init_baud_rate (int fd)
@@ -428,20 +424,15 @@
void
sys_suspend (void)
{
-#if defined (SIGTSTP) && !defined (MSDOS)
-
- {
- pid_t pgrp = getpgrp ();
- EMACS_KILLPG (pgrp, SIGTSTP);
- }
-
-#else /* No SIGTSTP */
+#ifndef MSDOS
+ kill (0, SIGTSTP);
+#else
/* On a system where suspending is not implemented,
instead fork a subshell and let it talk directly to the terminal
while we wait. */
sys_subshell ();
-#endif /* no SIGTSTP */
+#endif
}
/* Fork a subshell. */
@@ -702,14 +693,12 @@
static void
tcsetpgrp_without_stopping (int fd, pid_t pgid)
{
-#ifdef SIGTTOU
signal_handler_t handler;
block_input ();
handler = signal (SIGTTOU, SIG_IGN);
tcsetpgrp (fd, pgid);
signal (SIGTTOU, handler);
unblock_input ();
-#endif
}
/* Split off the foreground process group to Emacs alone. When we are
@@ -1491,9 +1480,7 @@
/* When handling a signal, block nonfatal system signals that are caught
by Emacs. This makes race conditions less likely. */
sigaddset (&action->sa_mask, SIGALRM);
-#ifdef SIGCHLD
sigaddset (&action->sa_mask, SIGCHLD);
-#endif
#ifdef SIGDANGER
sigaddset (&action->sa_mask, SIGDANGER);
#endif
@@ -1673,21 +1660,12 @@
# ifdef SIGAIO
sys_siglist[SIGAIO] = "LAN I/O interrupt";
# endif
-# ifdef SIGALRM
sys_siglist[SIGALRM] = "Alarm clock";
-# endif
# ifdef SIGBUS
sys_siglist[SIGBUS] = "Bus error";
# endif
-# ifdef SIGCLD
- sys_siglist[SIGCLD] = "Child status changed";
-# endif
-# ifdef SIGCHLD
sys_siglist[SIGCHLD] = "Child status changed";
-# endif
-# ifdef SIGCONT
sys_siglist[SIGCONT] = "Continued";
-# endif
# ifdef SIGDANGER
sys_siglist[SIGDANGER] = "Swap space dangerously low";
# endif
@@ -1704,9 +1682,7 @@
# ifdef SIGGRANT
sys_siglist[SIGGRANT] = "Monitor mode granted";
# endif
-# ifdef SIGHUP
sys_siglist[SIGHUP] = "Hangup";
-# endif
sys_siglist[SIGILL] = "Illegal instruction";
sys_siglist[SIGINT] = "Interrupt";
# ifdef SIGIO
@@ -1718,9 +1694,7 @@
# ifdef SIGIOT
sys_siglist[SIGIOT] = "IOT trap";
# endif
-# ifdef SIGKILL
sys_siglist[SIGKILL] = "Killed";
-# endif
# ifdef SIGLOST
sys_siglist[SIGLOST] = "Resource lost";
# endif
@@ -1733,9 +1707,7 @@
# ifdef SIGPHONE
sys_siglist[SIGWIND] = "SIGPHONE";
# endif
-# ifdef SIGPIPE
sys_siglist[SIGPIPE] = "Broken pipe";
-# endif
# ifdef SIGPOLL
sys_siglist[SIGPOLL] = "Pollable event occurred";
# endif
@@ -1748,9 +1720,7 @@
# ifdef SIGPWR
sys_siglist[SIGPWR] = "Power-fail restart";
# endif
-# ifdef SIGQUIT
sys_siglist[SIGQUIT] = "Quit";
-# endif
# ifdef SIGRETRACT
sys_siglist[SIGRETRACT] = "Need to relinquish monitor mode";
# endif
@@ -1761,9 +1731,7 @@
# ifdef SIGSOUND
sys_siglist[SIGSOUND] = "Sound completed";
# endif
-# ifdef SIGSTOP
sys_siglist[SIGSTOP] = "Stopped (signal)";
-# endif
# ifdef SIGSTP
sys_siglist[SIGSTP] = "Stopped (user)";
# endif
@@ -1777,24 +1745,14 @@
# ifdef SIGTRAP
sys_siglist[SIGTRAP] = "Trace/breakpoint trap";
# endif
-# ifdef SIGTSTP
sys_siglist[SIGTSTP] = "Stopped (user)";
-# endif
-# ifdef SIGTTIN
sys_siglist[SIGTTIN] = "Stopped (tty input)";
-# endif
-# ifdef SIGTTOU
sys_siglist[SIGTTOU] = "Stopped (tty output)";
-# endif
# ifdef SIGURG
sys_siglist[SIGURG] = "Urgent I/O condition";
# endif
-# ifdef SIGUSR1
sys_siglist[SIGUSR1] = "User defined signal 1";
-# endif
-# ifdef SIGUSR2
sys_siglist[SIGUSR2] = "User defined signal 2";
-# endif
# ifdef SIGVTALRM
sys_siglist[SIGVTALRM] = "Virtual timer expired";
# endif
@@ -1861,12 +1819,8 @@
sigaction (SIGFPE, &action, 0);
}
-#ifdef SIGUSR1
add_user_signal (SIGUSR1, "sigusr1");
-#endif
-#ifdef SIGUSR2
add_user_signal (SIGUSR2, "sigusr2");
-#endif
sigaction (SIGABRT, &thread_fatal_action, 0);
#ifdef SIGPRE
sigaction (SIGPRE, &thread_fatal_action, 0);
=== modified file 'src/syssignal.h'
--- src/syssignal.h 2012-10-07 02:26:03 +0000
+++ src/syssignal.h 2012-11-29 06:46:35 +0000
@@ -54,26 +54,6 @@
# define emacs_raise(sig) raise (sig)
#endif
-/* On bsd, [man says] kill does not accept a negative number to kill a pgrp.
- Must do that using the killpg call. */
-#ifdef BSD_SYSTEM
-#define EMACS_KILLPG(gid, signo) (killpg ( (gid), (signo)))
-#else
-#ifdef WINDOWSNT
-#define EMACS_KILLPG(gid, signo) (kill (gid, signo))
-#else
-#define EMACS_KILLPG(gid, signo) (kill (-(gid), (signo)))
-#endif
-#endif
-
-/* Define SIGCHLD as an alias for SIGCLD. There are many conditionals
- testing SIGCHLD. */
-#ifdef SIGCLD
-#ifndef SIGCHLD
-#define SIGCHLD SIGCLD
-#endif /* SIGCHLD */
-#endif /* ! defined (SIGCLD) */
-
#ifndef HAVE_STRSIGNAL
# define strsignal(sig) safe_strsignal (sig)
#endif
=== modified file 'src/w32proc.c'
--- src/w32proc.c 2012-11-27 03:10:32 +0000
+++ src/w32proc.c 2012-11-29 06:46:35 +0000
@@ -2139,6 +2139,10 @@
int need_to_free = 0;
int rc = 0;
+ /* Each process is in its own process group. */
+ if (pid < 0)
+ pid = -pid;
+
/* Only handle signals that will result in the process dying */
if (sig != SIGINT && sig != SIGKILL && sig != SIGQUIT && sig != SIGHUP)
{
- bug#13026: Assume POSIX 1003.1-1988 or later for signal.h.,
Paul Eggert <=