fix: Mac sim-02 compiler issue

This path just for modify Mac sim-02 issue. The compiler require the firt paramter of atomic_compare_exchange_strong is atomic type and second parameter is int type. Signed-off-by: TaiJu Wu <[email protected]>
TaiJuWu · Oct 15, 2023 · 78b589f · 78b589f
1 parent 7f46c18
commit 78b589f
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 5 deletions.
diff --git a/include/nuttx/spinlock.h b/include/nuttx/spinlock.h
@@ -33,7 +33,8 @@
 #include <nuttx/irq.h>
 
 #ifdef CONFIG_RW_SPINLOCK
-typedef int32_t rwlock_t;
+#include <stdatomic.h>
+typedef atomic_int rwlock_t;
 #define RW_SP_UNLOCKED      0
 #define RW_SP_READ_LOCKED   1
 #define RW_SP_WRITE_LOCKED -1

diff --git a/sched/semaphore/spinlock.c b/sched/semaphore/spinlock.c
@@ -476,7 +476,7 @@ void read_lock(FAR volatile rwlock_t *lock)
 {
   while (true)
     {
-      rwlock_t old = atomic_load(lock);
+      int old = atomic_load(lock);
 
       if (old <= RW_SP_WRITE_LOCKED)
         {
@@ -521,7 +521,7 @@ bool read_trylock(FAR volatile rwlock_t *lock)
 {
   while (true)
     {
-      rwlock_t old = atomic_load(lock);
+      int old = atomic_load(lock);
 
       if (old <= RW_SP_WRITE_LOCKED)
         {
@@ -592,7 +592,7 @@ void read_unlock(FAR volatile rwlock_t *lock)
 
 void write_lock(FAR volatile rwlock_t *lock)
 {
-  rwlock_t zero = RW_SP_UNLOCKED;
+  int zero = RW_SP_UNLOCKED;
 
   while (!atomic_compare_exchange_strong(lock, &zero, RW_SP_WRITE_LOCKED))
     {
@@ -630,7 +630,7 @@ void write_lock(FAR volatile rwlock_t *lock)
 
 bool write_trylock(FAR volatile rwlock_t *lock)
 {
-  rwlock_t zero = RW_SP_UNLOCKED;
+  int zero = RW_SP_UNLOCKED;
 
   if (atomic_compare_exchange_strong(lock, &zero, RW_SP_WRITE_LOCKED))
     {