LibPthread+LibC: Support PTHREAD_MUTEX_RECURSIVE

This allows SDL to build against our native recursive mutex instead
of providing its own. Also it's just a nice feature to have. :^)

1 files changed, 8 insertions, 1 deletions

diff --git a/Libraries/LibC/sys/types.h b/Libraries/LibC/sys/types.h
index c331cf7a16..0ce05271cc 100644
--- a/Libraries/LibC/sys/types.h
+++ b/Libraries/LibC/sys/types.h
@@ -63,7 +63,14 @@ struct utimbuf {
 typedef int pthread_t;
 typedef int pthread_key_t;
 typedef void* pthread_once_t;
-typedef uint32_t pthread_mutex_t;
+
+typedef struct __pthread_mutex_t {
+    uint32_t lock;
+    pthread_t owner;
+    int level;
+    int type;
+} pthread_mutex_t;
+
 typedef void* pthread_attr_t;
 typedef struct __pthread_mutexattr_t {
     int type;