nixpkgs/pkgs/os-specific/linux/musl/0003-fix-namespace-violation-for-c11-mutex-functions.patch

36 lines
1.3 KiB
Diff

From 2de29bc994029b903a366b8a4a9f8c3c3ee2be90 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Tue, 4 Sep 2018 22:56:57 -0400
Subject: [PATCH 3/3] fix namespace violation for c11 mutex functions
__pthread_mutex_timedlock is used to implement c11 mutex functions,
and therefore cannot call pthread_mutex_trylock by name.
---
src/thread/pthread_mutex_timedlock.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/thread/pthread_mutex_timedlock.c b/src/thread/pthread_mutex_timedlock.c
index f91f4a61..d2bd1960 100644
--- a/src/thread/pthread_mutex_timedlock.c
+++ b/src/thread/pthread_mutex_timedlock.c
@@ -1,5 +1,7 @@
#include "pthread_impl.h"
+int __pthread_mutex_trylock(pthread_mutex_t *);
+
int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec *restrict at)
{
if ((m->_m_type&15) == PTHREAD_MUTEX_NORMAL
@@ -15,7 +17,7 @@ int __pthread_mutex_timedlock(pthread_mutex_t *restrict m, const struct timespec
int spins = 100;
while (spins-- && m->_m_lock && !m->_m_waiters) a_spin();
- while ((r=pthread_mutex_trylock(m)) == EBUSY) {
+ while ((r=__pthread_mutex_trylock(m)) == EBUSY) {
if (!(r=m->_m_lock) || ((r&0x40000000) && (type&4)))
continue;
if ((type&3) == PTHREAD_MUTEX_ERRORCHECK
--
2.19.0