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Imported from ../bash-4.0-rc1.tar.gz.

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This commit is contained in:
Jari Aalto 2009-01-12 13:36:28 +00:00
commit 3185942a52
666 changed files with 188710 additions and 54674 deletions
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63
nojobs.c
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@ -1,25 +1,25 @@
/* The thing that makes children, remembers them, and contains wait loops. */
/* nojobs.c - functions that make children, remember them, and handle their termination. */
/* This file works under BSD, System V, minix, and Posix systems. It does
not implement job control. */
/* Copyright (C) 1987-2006 Free Software Foundation, Inc.
/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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) any later
version.
Bash 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 3 of the License, or
(at your option) any later version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
Bash is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
You should have received a copy of the GNU General Public License
along with Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
@ -232,7 +232,7 @@ find_termsig_by_pid (pid)
return (0);
if (pid_list[i].flags & PROC_RUNNING)
return (0);
return (get_termsig (pid_list[i].status));
return (get_termsig ((WAIT)pid_list[i].status));
}
/* Set LAST_COMMAND_EXIT_SIGNAL depending on STATUS. If STATUS is -1, look
@ -465,9 +465,7 @@ make_child (command, async_p)
int async_p;
{
pid_t pid;
#if defined (HAVE_WAITPID)
int retry = 1;
#endif /* HAVE_WAITPID */
int forksleep;
/* Discard saved memory. */
if (command)
@ -484,26 +482,27 @@ make_child (command, async_p)
sync_buffered_stream (default_buffered_input);
#endif /* BUFFERED_INPUT */
/* Create the child, handle severe errors. */
#if defined (HAVE_WAITPID)
retry_fork:
#endif /* HAVE_WAITPID */
if ((pid = fork ()) < 0)
/* Create the child, handle severe errors. Retry on EAGAIN. */
forksleep = 1;
while ((pid = fork ()) < 0 && errno == EAGAIN && forksleep < FORKSLEEP_MAX)
{
sys_error ("fork: retry");
#if defined (HAVE_WAITPID)
/* Posix systems with a non-blocking waitpid () system call available
get another chance after zombies are reaped. */
if (errno == EAGAIN && retry)
{
reap_zombie_children ();
retry = 0;
goto retry_fork;
}
reap_zombie_children ();
if (forksleep > 1 && sleep (forksleep) != 0)
break;
#else
if (sleep (forksleep) != 0)
break;
#endif /* HAVE_WAITPID */
forksleep <<= 1;
}
if (pid < 0)
{
sys_error ("fork");
throw_to_top_level ();
}
@ -518,9 +517,11 @@ make_child (command, async_p)
sigprocmask (SIG_SETMASK, &top_level_mask, (sigset_t *)NULL);
#endif
#if 0
/* Ignore INT and QUIT in asynchronous children. */
if (async_p)
last_asynchronous_pid = getpid ();
#endif
default_tty_job_signals ();
}
@ -801,7 +802,7 @@ wait_for (pid)
{
fprintf (stderr, "%s", j_strsignal (WTERMSIG (status)));
if (WIFCORED (status))
fprintf (stderr, " (core dumped)");
fprintf (stderr, _(" (core dumped)"));
fprintf (stderr, "\n");
}