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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/thread/pthread_spin_lock.c
downloadmusl-0b44a0315b47dd8eced9f3b7f31580cf14bbfc01.tar.gz
initial check-in, version 0.5.0v0.5.0
Diffstat (limited to 'src/thread/pthread_spin_lock.c')
-rw-r--r--src/thread/pthread_spin_lock.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/thread/pthread_spin_lock.c b/src/thread/pthread_spin_lock.c
new file mode 100644
index 00000000..59fa6ea8
--- /dev/null
+++ b/src/thread/pthread_spin_lock.c
@@ -0,0 +1,7 @@
+#include "pthread_impl.h"
+
+int pthread_spin_lock(pthread_spinlock_t *s)
+{
+ while (a_xchg(s, 1));
+ return 0;
+}