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Unified Diff: fusl/src/thread/lock_ptc.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/thread/lock_ptc.c
diff --git a/fusl/src/thread/lock_ptc.c b/fusl/src/thread/lock_ptc.c
new file mode 100644
index 0000000000000000000000000000000000000000..7adedab75b93c168efb0a4ce523b27d4452341d3
--- /dev/null
+++ b/fusl/src/thread/lock_ptc.c
@@ -0,0 +1,18 @@
+#include <pthread.h>
+
+static pthread_rwlock_t lock = PTHREAD_RWLOCK_INITIALIZER;
+
+void __inhibit_ptc()
+{
+ pthread_rwlock_wrlock(&lock);
+}
+
+void __acquire_ptc()
+{
+ pthread_rwlock_rdlock(&lock);
+}
+
+void __release_ptc()
+{
+ pthread_rwlock_unlock(&lock);
+}
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