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work around a nasty bug in linux readv syscall
[musl]
/
src
/
thread
/
__lock.c
diff --git
a/src/thread/__lock.c
b/src/thread/__lock.c
index
557c6a6
..
2e00636
100644
(file)
--- a/
src/thread/__lock.c
+++ b/
src/thread/__lock.c
@@
-1,4
+1,3
@@
-#define SYSCALL_RETURN_ERRNO
#include "pthread_impl.h"
void __lock(volatile int *l)
#include "pthread_impl.h"
void __lock(volatile int *l)
@@
-8,5
+7,5
@@
void __lock(volatile int *l)
* assignment to optimize non-pathological code with no contention. */
while (a_xchg(l, 1))
if (spins) spins--, a_spin();
* assignment to optimize non-pathological code with no contention. */
while (a_xchg(l, 1))
if (spins) spins--, a_spin();
- else
syscall0(__NR
_sched_yield);
+ else
__syscall(SYS
_sched_yield);
}
}