LibC: Define pthread_{equal,self} as macros

These really should get inlined :D

userspace/libraries/LibC/include/pthread.h

@@ -169,6 +169,12 @@ void		pthread_testcancel(void);
 void		pthread_cleanup_pop(int execute);
 void		pthread_cleanup_push(void (*routine)(void*), void* arg);
 
+#define _pthread_equal(t1, t2) ((t1) == (t2))
+#define pthread_equal(t1, t2) _pthread_equal(t1, t2)
+
+#define _pthread_self() (_get_uthread()->id)
+#define pthread_self() _pthread_self()
+
 #define _pthread_testcancel() do { \
 		struct uthread* uthread = _get_uthread(); \
 		if (__builtin_expect(uthread->cancel_state == PTHREAD_CANCEL_ENABLE, 1)) \

userspace/libraries/LibC/pthread.cpp

@@ -489,29 +489,29 @@ void pthread_exit(void* value_ptr)
 	ASSERT_NOT_REACHED();
 }
 
+#undef pthread_equal
 int pthread_equal(pthread_t t1, pthread_t t2)
 {
-	return t1 == t2;
+	return _pthread_equal(t1, t2);
 }
+#define pthread_equal(t1, t2) _pthread_equal(t1, t2)
+
+#undef pthread_self
+pthread_t pthread_self(void)
+{
+	return _pthread_self();
+}
+#define pthread_self() _pthread_self()
 
 int pthread_join(pthread_t thread, void** value_ptr)
 {
-	pthread_testcancel();
+	do {
-
-	errno = 0;
-	while (syscall(SYS_PTHREAD_JOIN, thread, value_ptr) == -1 && errno == EINTR)
-	{
 		pthread_testcancel();
 		errno = 0;
-	}
+	} while (syscall(SYS_PTHREAD_JOIN, thread, value_ptr) == -1 && errno == EINTR);
 	return errno;
 }
 
-pthread_t pthread_self(void)
-{
-	return _get_uthread()->id;
-}
-
 int pthread_once(pthread_once_t* once_control, void (*init_routine)(void))
 {
 	static_assert(PTHREAD_ONCE_INIT == 0);
@@ -671,6 +671,7 @@ void pthread_testcancel(void)
 {
 	_pthread_testcancel();
 }
+#define pthread_testcancel() _pthread_testcancel()
 
 int pthread_getschedparam(pthread_t thread, int* __restrict policy, struct sched_param* __restrict param)
 {