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Imported from ../bash-2.04.tar.gz.

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This commit is contained in:
Jari Aalto 2000-03-17 21:46:59 +00:00
commit bb70624e96
387 changed files with 28522 additions and 9334 deletions
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23
builtins/wait.def
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@ -7,7 +7,7 @@ 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 1, or (at your option) any later
Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
@ -17,7 +17,7 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA.
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$BUILTIN wait
$FUNCTION wait_builtin
@ -59,6 +59,8 @@ $END
extern int interrupt_immediately;
procenv_t wait_intr_buf;
/* Wait for the pid in LIST to stop or die. If no arguments are given, then
wait for all of the active background processes of the shell and return
0. If a list of pids or job specs are given, return the exit status of
@ -70,7 +72,7 @@ int
wait_builtin (list)
WORD_LIST *list;
{
int status;
int status, code;
if (no_options (list))
return (EX_USAGE);
@ -81,6 +83,21 @@ wait_builtin (list)
unwind_protect_int (interrupt_immediately);
interrupt_immediately++;
/* POSIX.2 says: When the shell is waiting (by means of the wait utility)
for asynchronous commands to complete, the reception of a signal for
which a trap has been set shall cause the wait utility to return
immediately with an exit status greater than 128, after which the trap
associated with the signal shall be taken.
We handle SIGINT here; it's the only one that needs to be treated
specially (I think), since it's handled specially in {no,}jobs.c. */
code = setjmp (wait_intr_buf);
if (code)
{
status = 128 + SIGINT;
WAIT_RETURN (status);
}
/* We support jobs or pids.
wait <pid-or-job> [pid-or-job ...] */