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Keep initial kse and kse group just like we keep initial thread,

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Don't free them, so some code can still reference them.

Reviewed by: deischen
This commit is contained in:
David Xu 2003-08-16 05:22:20 +00:00
parent 61cc495a29
commit 56b39ee1c2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118985
2 changed files with 22 additions and 18 deletions
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20
lib/libkse/thread/thr_kern.c
View File

@ -1336,6 +1336,15 @@ thread_gc(struct pthread *curthread)
while ((td = TAILQ_FIRST(&worklist)) != NULL) {
TAILQ_REMOVE(&worklist, td, gcle);
/*
* XXX we don't free initial thread and its kse
* (if thread is a bound thread), because there might
* have some code referencing initial thread and kse.
*/
if (td == _thr_initial) {
DBG_MSG("Initial thread won't be freed\n");
continue;
}
if ((td->attr.flags & PTHREAD_SCOPE_SYSTEM) != 0) {
crit = _kse_critical_enter();
@ -1345,15 +1354,8 @@ thread_gc(struct pthread *curthread)
KSE_LOCK_RELEASE(curthread->kse, &kse_lock);
_kse_critical_leave(crit);
}
/*
* XXX we don't free initial thread, because there might
* have some code referencing initial thread.
*/
if (td != _thr_initial) {
DBG_MSG("Freeing thread %p\n", td);
_thr_free(curthread, td);
} else
DBG_MSG("Initial thread won't be freed\n");
DBG_MSG("Freeing thread %p\n", td);
_thr_free(curthread, td);
}
}

20
lib/libpthread/thread/thr_kern.c
View File

@ -1336,6 +1336,15 @@ thread_gc(struct pthread *curthread)
while ((td = TAILQ_FIRST(&worklist)) != NULL) {
TAILQ_REMOVE(&worklist, td, gcle);
/*
* XXX we don't free initial thread and its kse
* (if thread is a bound thread), because there might
* have some code referencing initial thread and kse.
*/
if (td == _thr_initial) {
DBG_MSG("Initial thread won't be freed\n");
continue;
}
if ((td->attr.flags & PTHREAD_SCOPE_SYSTEM) != 0) {
crit = _kse_critical_enter();
@ -1345,15 +1354,8 @@ thread_gc(struct pthread *curthread)
KSE_LOCK_RELEASE(curthread->kse, &kse_lock);
_kse_critical_leave(crit);
}
/*
* XXX we don't free initial thread, because there might
* have some code referencing initial thread.
*/
if (td != _thr_initial) {
DBG_MSG("Freeing thread %p\n", td);
_thr_free(curthread, td);
} else
DBG_MSG("Initial thread won't be freed\n");
DBG_MSG("Freeing thread %p\n", td);
_thr_free(curthread, td);
}
}