fix usage of locks with vfork

[musl] / src / process / posix_spawn.c

diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c
index c3e800b..5eb516b 100644 (file)
--- a/src/process/posix_spawn.c
+++ b/src/process/posix_spawn.c
@@ -35,9 +35,9 @@ int __posix_spawnx(pid_t *restrict res, const char *restrict path,
 
        __acquire_ptc();
        pid = __vfork();
-       __release_ptc();
 
        if (pid) {
+               __release_ptc();
                sigprocmask(SIG_SETMASK, &oldmask, 0);
                if (pid < 0) return -pid;
                *res = pid;