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minor modifications in atomic_int32_inc/_dec

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=> now, the functions returns also the current counter
This commit is contained in:
Stefan Lankes 2014-12-13 15:14:31 +01:00
parent 3d84f776be
commit 3725b1f6d0
1 changed files with 4 additions and 4 deletions
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8
arch/x86/include/asm/atomic.h
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@ -122,8 +122,8 @@ inline static int32_t atomic_int32_sub(atomic_int32_t *d, int32_t i)
*
* @param d The atomic_int32_t var you want to increment
*/
inline static void atomic_int32_inc(atomic_int32_t* d) {
asm volatile(LOCK "incl %0" : "+m" (d->counter));
inline static int32_t atomic_int32_inc(atomic_int32_t* d) {
return atomic_int32_add(d, 1);
}
/** @brief Atomic decrement by one
@ -132,8 +132,8 @@ inline static void atomic_int32_inc(atomic_int32_t* d) {
*
* @param d The atomic_int32_t var you want to decrement
*/
inline static void atomic_int32_dec(atomic_int32_t* d) {
asm volatile(LOCK "decl %0" : "+m" (d->counter));
inline static int32_t atomic_int32_dec(atomic_int32_t* d) {
return atomic_int32_add(d, -1);
}
/** @brief Read out an atomic_int32_t var