From 20f3e87d11557ae909bb9aedf25a1d48879b009f Mon Sep 17 00:00:00 2001
From: plutoo <plutoo@universe>
Date: Wed, 28 Feb 2018 18:22:28 +0100
Subject: [PATCH] Change type of TryLock to bool

---
 nx/include/switch/kernel/mutex.h |  6 +++---
 nx/source/kernel/mutex.c         | 12 ++++++------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/nx/include/switch/kernel/mutex.h b/nx/include/switch/kernel/mutex.h
index 73fbc1e5..fe6ca3a3 100644
--- a/nx/include/switch/kernel/mutex.h
+++ b/nx/include/switch/kernel/mutex.h
@@ -6,7 +6,7 @@
  */
 #pragma once
 #include <sys/lock.h>
-#include "../types.h" // not needed in this file, still including it
+#include "../types.h"
 
 /// Mutex datatype, defined in newlib.
 typedef _LOCK_T Mutex;
@@ -34,7 +34,7 @@ void mutexLock(Mutex* m);
  * @param m Mutex object.
  * @return 1 if the mutex has been acquired successfully, and 0 on contention.
  */
-u32 mutexTryLock(Mutex* m);
+bool mutexTryLock(Mutex* m);
 
 /**
  * @brief Unlocks a mutex.
@@ -65,7 +65,7 @@ void rmutexLock(RMutex* m);
  * @param m Recursive mutex object.
  * @return 1 if the mutex has been acquired successfully, and 0 on contention.
  */
-u32 rmutexTryLock(RMutex* m);
+bool rmutexTryLock(RMutex* m);
 
 /**
  * @brief Unlocks a recursive mutex.
diff --git a/nx/source/kernel/mutex.c b/nx/source/kernel/mutex.c
index 5213e926..2152a8d8 100644
--- a/nx/source/kernel/mutex.c
+++ b/nx/source/kernel/mutex.c
@@ -41,18 +41,18 @@ void mutexLock(Mutex* m) {
     }
 }
 
-u32 mutexTryLock(Mutex* m) {
+bool mutexTryLock(Mutex* m) {
     u32 self = _GetTag();
     u32 cur = __sync_val_compare_and_swap((u32*)m, 0, self);
 
     if (cur == 0) {
         // We won the race!
-        return 1;
+        return true;
     }
 
     if ((cur &~ HAS_LISTENERS) == self) {
         // Kernel assigned it to us!
-        return 1;
+        return true;
     }
     
     return 0;
@@ -75,16 +75,16 @@ void rmutexLock(RMutex* m) {
     m->counter++;
 }
 
-u32 rmutexTryLock(RMutex* m) {
+bool rmutexTryLock(RMutex* m) {
     if (m->thread_tag != _GetTag()) {
         if (!mutexTryLock(&m->lock)) {
-            return 0;
+            return false;
         }
         m->thread_tag = _GetTag();
     }
 
     m->counter++;
-    return 1;
+    return true;
 }
 
 void rmutexUnlock(RMutex* m) {