Merge pull request managarm#1657 from Dennisbonke/mlibc-linux-1

Author: Dennisbonke

options/posix/generic/pthread.cpp

@@ -1409,3 +1409,13 @@ int pthread_spin_unlock(pthread_spinlock_t *__lock) {
 	__atomic_store_n(&__lock->__lock, 0, __ATOMIC_RELEASE);
 	return 0;
 }
+
+int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t *, int) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t *__restrict, int *__restrict) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}

options/posix/include/pthread.h

@@ -82,6 +82,12 @@ extern "C" {
 
 #define PTHREAD_ATTR_NO_SIGMASK_NP (-1)
 
+#ifdef __MLIBC_XOPEN
+#define PTHREAD_RWLOCK_PREFER_READER_NP 0
+#define PTHREAD_RWLOCK_PREFER_WRITER_NP 1
+#define PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP 2
+#endif /* __MLIBC_XOPEN */
+
 #include <bits/posix/pthread_types.h>
 
 #ifndef __MLIBC_ABI_ONLY
@@ -293,6 +299,12 @@ int pthread_spin_lock(pthread_spinlock_t *__lock);
 int pthread_spin_trylock(pthread_spinlock_t *__lock);
 int pthread_spin_unlock(pthread_spinlock_t *__lock);
 
+#ifdef __MLIBC_XOPEN
+int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t *__attr, int __pref);
+int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t *__restrict __attr,
+		int *__restrict __pref);
+#endif /* __MLIBC_XOPEN */
+
 #endif /* !__MLIBC_ABI_ONLY */
 
 #ifdef __cplusplus