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Add thread exit handler in timer_loop to handle broken buggy code which

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could lead to memory leak.
This commit is contained in:
David Xu 2005-10-30 23:59:01 +00:00
parent 04975fbba5
commit 7a81302ce7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=151892
1 changed files with 3 additions and 1 deletions
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4
lib/libthr/thread/thr_timer.c
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@ -107,7 +107,7 @@ __timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid)
SIGEMPTYSET(set);
SIGADDSET(set, tmr->signo);
__sys_sigprocmask(SIG_BLOCK, &set, &oset);
ret = pthread_create(&newtd, &attr, timer_loop, tmr);
ret = _pthread_create(&newtd, &attr, timer_loop, tmr);
__sys_sigprocmask(SIG_SETMASK, &oset, NULL);
pthread_attr_destroy(&attr);
if (__predict_false(ret != 0)) {
@ -152,6 +152,7 @@ timer_loop(void *arg)
siginfo_t si;
sigset_t set;
THR_CLEANUP_PUSH(curthread, free, tmr);
THR_UMTX_LOCK(curthread, &tmr->lock);
THR_UMTX_UNLOCK(curthread, &tmr->lock);
SIGEMPTYSET(set);
@ -163,6 +164,7 @@ timer_loop(void *arg)
tmr->function(&tmr->value);
}
}
THR_CLEANUP_POP(curthread, 0);
free(tmr);
return (0);
}