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ee2b1327
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体验新版 GitCode,发现更多精彩内容 >>
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ee2b1327
编写于
5月 05, 2023
作者:
O
openharmony_ci
提交者:
Gitee
5月 05, 2023
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差异文件
!883 feat:修复pthread_exit中设置线程detach_state状态的位置
Merge pull request !883 from zhangdengyu/fixPthread0426
上级
59be57cc
46818cdd
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
4 addition
and
13 deletion
+4
-13
porting/liteos_a/user/src/thread/pthread_create.c
porting/liteos_a/user/src/thread/pthread_create.c
+4
-13
未找到文件。
porting/liteos_a/user/src/thread/pthread_create.c
浏览文件 @
ee2b1327
...
...
@@ -70,18 +70,6 @@ _Noreturn void __pthread_exit(void *result)
__block_app_sigs
(
&
set
);
/* This atomic potentially competes with a concurrent pthread_detach
* call; the loser is responsible for freeing thread resources. */
int
state
=
a_cas
(
&
self
->
detach_state
,
DT_JOINABLE
,
DT_EXITING
);
if
(
state
==
DT_DETACHED
&&
self
->
map_base
)
{
/* Since __unmapself bypasses the normal munmap code path,
* explicitly wait for vmlock holders first. This must be
* done before any locks are taken, to avoid lock ordering
* issues that could lead to deadlock. */
__vm_wait
();
}
/* Access to target the exiting thread with syscalls that use
* its kernel tid is controlled by killlock. For detached threads,
* any use past this point would have undefined behavior, but for
...
...
@@ -99,7 +87,6 @@ _Noreturn void __pthread_exit(void *result)
if
(
self
->
next
==
self
)
{
__tl_unlock
();
UNLOCK
(
self
->
killlock
);
self
->
detach_state
=
state
;
__restore_sigs
(
&
set
);
exit
(
0
);
}
...
...
@@ -138,6 +125,10 @@ _Noreturn void __pthread_exit(void *result)
self
->
prev
->
next
=
self
->
next
;
self
->
prev
=
self
->
next
=
self
;
/* This atomic potentially competes with a concurrent pthread_detach
* call; the loser is responsible for freeing thread resources. */
int
state
=
a_cas
(
&
self
->
detach_state
,
DT_JOINABLE
,
DT_EXITING
);
#if 0
if (state==DT_DETACHED && self->map_base) {
/* Robust list will no longer be valid, and was already
...
...
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