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-rw-r--r--libc/bionic/pthread.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/bionic/pthread.c b/libc/bionic/pthread.c
index ec3c459..f2d9cb3 100644
--- a/libc/bionic/pthread.c
+++ b/libc/bionic/pthread.c
@@ -1538,7 +1538,11 @@ int pthread_kill(pthread_t tid, int sig)
int old_errno = errno;
pthread_internal_t * thread = (pthread_internal_t *)tid;
+ if (!thread)
+ return ESRCH;
+
ret = tkill(thread->kernel_id, sig);
+
if (ret < 0) {
ret = errno;
errno = old_errno;