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Syscall kill(2) called for a zombie process should return 0.

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Obtained from:	Darwin
This commit is contained in:
pjd 2004-07-29 20:38:19 +00:00
parent 7e5db42c7a
commit 809d561dd5
1 changed files with 10 additions and 1 deletions
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11
sys/kern/kern_sig.c
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@ -1383,8 +1383,17 @@ kill(td, uap)
if (uap->pid > 0) {
/* kill single process */
if ((p = pfind(uap->pid)) == NULL)
if ((p = pfind(uap->pid)) == NULL) {
if ((p = zpfind(uap->pid)) != NULL) {
/*
* IEEE Std 1003.1-2001: return success
* when killing a zombie.
*/
PROC_UNLOCK(p);
return (0);
}
return (ESRCH);
}
error = p_cansignal(td, p, uap->signum);
if (error == 0 && uap->signum)
psignal(p, uap->signum);