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Imported from ../bash-3.0.tar.gz.

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This commit is contained in:
Jari Aalto 2004-07-27 13:29:18 +00:00
commit b80f6443b6
400 changed files with 69247 additions and 13346 deletions
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45
builtins/kill.def
View file

@ -1,7 +1,7 @@
This file is kill.def, from which is created kill.c.
It implements the builtin "kill" in Bash.
Copyright (C) 1987-2002 Free Software Foundation, Inc.
Copyright (C) 1987-2004 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
@ -23,7 +23,6 @@ $PRODUCES kill.c
$BUILTIN kill
$FUNCTION kill_builtin
$DEPENDS_ON JOB_CONTROL
$SHORT_DOC kill [-s sigspec | -n signum | -sigspec] [pid | job]... or kill -l [sigspec]
Send the processes named by PID (or JOB) the signal SIGSPEC. If
SIGSPEC is not present, then SIGTERM is assumed. An argument of `-l'
@ -46,6 +45,7 @@ $END
#endif
#include "../bashansi.h"
#include "../bashintl.h"
#include "../shell.h"
#include "../trap.h"
@ -57,9 +57,10 @@ $END
extern int errno;
#endif /* !errno */
#if defined (JOB_CONTROL)
extern int posixly_correct;
static void kill_error __P((pid_t, int));
#if !defined (CONTINUE_AFTER_KILL_ERROR)
# define CONTINUE_OR_FAIL return (EXECUTION_FAILURE)
#else
@ -73,7 +74,7 @@ int
kill_builtin (list)
WORD_LIST *list;
{
int sig, any_succeeded, listing, saw_signal;
int sig, any_succeeded, listing, saw_signal, dflags;
char *sigspec, *word;
pid_t pid;
intmax_t pid_value;
@ -88,6 +89,7 @@ kill_builtin (list)
sig = SIGTERM;
sigspec = "TERM";
dflags = DSIG_NOCASE | ((posixly_correct == 0) ? DSIG_SIGPREFIX : 0);
/* Process options. */
while (list)
{
@ -107,7 +109,7 @@ kill_builtin (list)
if (sigspec[0] == '0' && sigspec[1] == '\0')
sig = 0;
else
sig = decode_signal (sigspec);
sig = decode_signal (sigspec, dflags);
list = list->next;
}
else
@ -132,7 +134,7 @@ kill_builtin (list)
else if ((*word == '-') && !saw_signal)
{
sigspec = word + 1;
sig = decode_signal (sigspec);
sig = decode_signal (sigspec, dflags);
saw_signal++;
list = list->next;
}
@ -169,16 +171,23 @@ kill_builtin (list)
pid = (pid_t) pid_value;
if ((pid < -1 ? kill_pid (-pid, sig, 1) : kill_pid (pid, sig, 0)) < 0)
goto signal_error;
{
if (errno == EINVAL)
sh_invalidsig (sigspec);
else
kill_error (pid, errno);
CONTINUE_OR_FAIL;
}
else
any_succeeded++;
}
#if defined (JOB_CONTROL)
else if (*list->word->word && *list->word->word != '%')
{
builtin_error ("%s: no such pid", list->word->word);
builtin_error (_("%s: arguments must be process or job IDs"), list->word->word);
CONTINUE_OR_FAIL;
}
else if (*word && (interactive || job_control))
else if (*word)
/* Posix.2 says you can kill without job control active (4.32.4) */
{ /* Must be a job spec. Check it out. */
int job;
@ -205,16 +214,16 @@ kill_builtin (list)
if (kill_pid (pid, sig, 1) < 0)
{
signal_error:
if (errno == EINVAL)
sh_invalidsig (sigspec);
else
builtin_error ("(%ld) - %s", (long)pid, strerror (errno));
kill_error (pid, errno);
CONTINUE_OR_FAIL;
}
else
any_succeeded++;
}
#endif /* !JOB_CONTROL */
else
{
sh_badpid (list->word->word);
@ -226,4 +235,16 @@ kill_builtin (list)
return (any_succeeded ? EXECUTION_SUCCESS : EXECUTION_FAILURE);
}
#endif /* JOB_CONTROL */
static void
kill_error (pid, e)
pid_t pid;
int e;
{
char *x;
x = strerror (e);
if (x == 0)
x = _("Unknown error");
builtin_error ("(%ld) - %s", (long)pid, x);
}