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oldSet shouldn't be changed in case of error. Thanks axel for noticing

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18533 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2006-08-18 09:37:32 +00:00
parent 0ce93ee730
commit c941d45cd5
1 changed files with 16 additions and 17 deletions
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33
src/system/kernel/signal.c
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@ -385,26 +385,25 @@ sigprocmask(int how, const sigset_t *set, sigset_t *oldSet)
struct thread *thread = thread_get_current_thread();
sigset_t oldMask = atomic_get(&thread->sig_block_mask);
if (set != NULL) {
switch (how) {
case SIG_BLOCK:
atomic_or(&thread->sig_block_mask, *set & BLOCKABLE_SIGNALS);
break;
case SIG_UNBLOCK:
atomic_and(&thread->sig_block_mask, ~*set);
break;
case SIG_SETMASK:
atomic_set(&thread->sig_block_mask, *set & BLOCKABLE_SIGNALS);
break;
default:
return B_BAD_VALUE;
}
}
if (oldSet != NULL)
*oldSet = oldMask;
if (set == NULL)
return B_OK;
switch (how) {
case SIG_BLOCK:
atomic_or(&thread->sig_block_mask, *set & BLOCKABLE_SIGNALS);
break;
case SIG_UNBLOCK:
atomic_and(&thread->sig_block_mask, ~*set);
break;
case SIG_SETMASK:
atomic_set(&thread->sig_block_mask, *set & BLOCKABLE_SIGNALS);
break;
default:
return B_BAD_VALUE;
}
return B_OK;
}