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-rw-r--r--src/thread/pthread_create.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 49f2f729..6cbf85b3 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -131,9 +131,14 @@ void __do_cleanup_pop(struct __ptcb *cb)
static int start(void *p)
{
pthread_t self = p;
+ /* States for startlock:
+ * 0 = no need for start sync
+ * 1 = waiting for parent to do work
+ * 2 = failure in parent, child must abort
+ * 3 = success in parent, child must restore sigmask */
if (self->startlock[0]) {
__wait(self->startlock, 0, 1, 1);
- if (self->startlock[0]) {
+ if (self->startlock[0] == 2) {
self->detached = 2;
pthread_exit(0);
}
@@ -295,7 +300,7 @@ int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict att
if (do_sched) {
ret = __syscall(SYS_sched_setscheduler, new->tid,
attr._a_policy, &attr._a_prio);
- a_store(new->startlock, ret<0 ? 2 : 0);
+ a_store(new->startlock, ret<0 ? 2 : 3);
__wake(new->startlock, 1, 1);
if (ret < 0) return -ret;
}