if returning errno value directly from a syscall, we need to negate it.

[musl] / src / thread / pthread_kill.c

diff --git a/src/thread/pthread_kill.c b/src/thread/pthread_kill.c
index 6448d97..17aa5c4 100644 (file)
--- a/src/thread/pthread_kill.c
+++ b/src/thread/pthread_kill.c
@@ -2,5 +2,5 @@
 
 int pthread_kill(pthread_t t, int sig)
 {
-       return __syscall(__NR_tgkill, t->pid, t->tid, sig);
+       return -__syscall(__NR_tgkill, t->pid, t->tid, sig);
 }