From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/thread/pthread_spin_lock.c | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 src/thread/pthread_spin_lock.c (limited to 'src/thread/pthread_spin_lock.c') diff --git a/src/thread/pthread_spin_lock.c b/src/thread/pthread_spin_lock.c new file mode 100644 index 0000000..ded2b65 --- /dev/null +++ b/src/thread/pthread_spin_lock.c @@ -0,0 +1,8 @@ +#include "pthread_impl.h" +#include + +int pthread_spin_lock(pthread_spinlock_t *s) +{ + while (*(volatile int *)s || a_cas(s, 0, EBUSY)) a_spin(); + return 0; +} -- cgit v1.2.3