[lwIP] fix lwip sem/mutex valid issue.

bsp/qemu-virt64-aarch64/rtconfig.py

@@ -39,7 +39,7 @@ if PLATFORM == 'gcc':
     OBJCPY  = PREFIX + 'objcopy'
 
     DEVICE = ' -g -march=armv8-a -mtune=cortex-a53'
-    CFLAGS = DEVICE + ' -Wall '
+    CFLAGS = DEVICE + ' -Wall -fdiagnostics-color=always'
     AFLAGS = ' -c' + ' -x assembler-with-cpp -D__ASSEMBLY__'
     LFLAGS  = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,system_vectors -T link.lds'
     CPATH   = ''

components/net/lwip/port/sys_arch.c

@@ -208,7 +208,11 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
  */
 int sys_sem_valid(sys_sem_t *sem)
 {
-    return (int)(*sem);
+    int ret = 0;
+
+    if (*sem) ret = 1;
+
+    return ret;
 }
 #endif
 
@@ -283,7 +287,11 @@ void sys_mutex_free(sys_mutex_t *mutex)
  */
 int sys_mutex_valid(sys_mutex_t *mutex)
 {
-    return (int)(*mutex);
+    int ret = 0;
+
+    if (*mutex) ret = 1;
+
+    return ret;
 }
 #endif
 
@@ -458,7 +466,11 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
  */
 int sys_mbox_valid(sys_mbox_t *mbox)
 {
-    return (int)(*mbox);
+    int ret = 0;
+
+    if (*mbox) ret = 1;
+
+    return ret;
 }
 #endif