diff options
Diffstat (limited to 'main/musl/2001-thread-do-not-attempt-to-join-detached-threads-in-pt.patch')
-rw-r--r-- | main/musl/2001-thread-do-not-attempt-to-join-detached-threads-in-pt.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/main/musl/2001-thread-do-not-attempt-to-join-detached-threads-in-pt.patch b/main/musl/2001-thread-do-not-attempt-to-join-detached-threads-in-pt.patch deleted file mode 100644 index f376c929af..0000000000 --- a/main/musl/2001-thread-do-not-attempt-to-join-detached-threads-in-pt.patch +++ /dev/null @@ -1,32 +0,0 @@ -From bda7e30e6bf5e20269a08775574c9d75b27c4387 Mon Sep 17 00:00:00 2001 -From: William Pitcock <nenolod@dereferenced.org> -Date: Tue, 1 Aug 2017 23:08:49 +0000 -Subject: [PATCH] thread: do not attempt to join detached threads in - pthread_join() - -A thread which is detached releases it's resources and TCB upon thread termination. -Therefore a thread which is detached is not joinable as any underlying futex will not -be incremented, resulting in a deadlock. Accordingly, POSIX defines calling -pthread_join() on a detached thread as undefined behaviour. - -We attempt, where possible, to detect attempts to join detached threads and crash -instead, to bring the undefined behaviour to the programmer's attention. ---- - src/thread/pthread_join.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c -index 52111489..b7175c09 100644 ---- a/src/thread/pthread_join.c -+++ b/src/thread/pthread_join.c -@@ -11,6 +11,7 @@ int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at) - __pthread_testcancel(); - __pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); - if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0); -+ if (t->detached) a_crash(); - while ((tmp = t->tid) && r != ETIMEDOUT && r != EINVAL) - r = __timedwait_cp(&t->tid, tmp, CLOCK_REALTIME, at, 0); - __pthread_setcancelstate(cs, 0); --- -2.13.3 - |