d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Block all signals in helper threads except those should not be blocked.

Browse Source
This commit is contained in:
davidxu 2006-03-10 08:01:23 +00:00
parent 90b66ded94
commit 45ada7f2f2
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
lib/librt/sigev_thread.c
View File

@ -305,7 +305,7 @@ static struct sigev_thread *
sigev_thread_create(int usedefault)
{
struct sigev_thread *tn;
sigset_t set;
sigset_t set, oset;
int ret;
if (usedefault && sigev_default_thread) {
@ -326,13 +326,16 @@ sigev_thread_create(int usedefault)
LIST_INSERT_HEAD(&sigev_threads, tn, tn_link);
__sigev_list_unlock();
sigemptyset(&set);
sigaddset(&set, SIGSERVICE);
_sigprocmask(SIG_BLOCK, &set, NULL);
sigfillset(&set); /* SIGSERVICE is masked. */
sigdelset(&set, SIGBUS);
sigdelset(&set, SIGILL);
sigdelset(&set, SIGFPE);
sigdelset(&set, SIGSEGV);
sigdelset(&set, SIGTRAP);
_sigprocmask(SIG_SETMASK, &set, &oset);
ret = pthread_create(&tn->tn_thread, &sigev_default_attr,
sigev_service_loop, tn);
_sigprocmask(SIG_UNBLOCK, &set, NULL);
_sigprocmask(SIG_SETMASK, &oset, NULL);
if (ret != 0) {
__sigev_list_lock();