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-rw-r--r--src/thread/pthread_kill.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index 36e9b6da..a24ecc20 100644
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -2,5 +2,9 @@
int pthread_kill(pthread_t t, int sig)
{
- return -__syscall(SYS_tgkill, t->pid, t->tid, sig);
+ int r;
+ __lock(&t->killlock);
+ r = t->dead ? ESRCH : -__syscall(SYS_tgkill, t->pid, t->tid, sig);
+ a_store(&t->killlock, 0);
+ return r;
}