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add pthread lock

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This commit is contained in:
Cloud Wu
2015-08-13 21:00:20 +08:00
parent 0ce9921c25
commit bf8f9b8654
18 changed files with 249 additions and 104 deletions
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9
lualib-src/lua-stm.c
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@@ -7,6 +7,7 @@
#include "rwlock.h"
#include "skynet_malloc.h"
#include "atomic.h"
struct stm_object {
struct rwlock lock;
@@ -45,7 +46,7 @@ static void
stm_releasecopy(struct stm_copy *copy) {
if (copy == NULL)
return;
if (__sync_sub_and_fetch(&copy->reference, 1) == 0) {
if (ATOM_DEC(&copy->reference) == 0) {
skynet_free(copy->msg);
skynet_free(copy);
}
@@ -70,7 +71,7 @@ stm_release(struct stm_object *obj) {
static void
stm_releasereader(struct stm_object *obj) {
rwlock_rlock(&obj->lock);
if (__sync_sub_and_fetch(&obj->reference,1) == 0) {
if (ATOM_DEC(&obj->reference) == 0) {
// last reader, no writer. so no need to unlock
assert(obj->copy == NULL);
skynet_free(obj);
@@ -82,7 +83,7 @@ stm_releasereader(struct stm_object *obj) {
static void
stm_grab(struct stm_object *obj) {
rwlock_rlock(&obj->lock);
int ref = __sync_fetch_and_add(&obj->reference,1);
int ref = ATOM_FINC(&obj->reference);
rwlock_runlock(&obj->lock);
assert(ref > 0);
}
@@ -92,7 +93,7 @@ stm_copy(struct stm_object *obj) {
rwlock_rlock(&obj->lock);
struct stm_copy * ret = obj->copy;
if (ret) {
int ref = __sync_fetch_and_add(&ret->reference,1);
int ref = ATOM_FINC(&ret->reference);
assert(ref > 0);
}
rwlock_runlock(&obj->lock);