Add support for creating bound threads. Bug 338607.

This commit is contained in:
srinivas%netscape.com 1999-02-01 00:41:51 +00:00
Родитель 00a18ebabd
Коммит 3b8bf6ca5f
7 изменённых файлов: 29 добавлений и 13 удалений

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@ -158,6 +158,7 @@ struct _PT_Notified
#define PT_THREAD_GCABLE 0x20 /* thread is garbage collectible */
#define PT_THREAD_SUSPENDED 0x40 /* thread has been suspended */
#define PT_THREAD_FOREIGN 0x80 /* thread is not one of ours */
#define PT_THREAD_BOUND 0x100 /* a bound-global thread */
/*
** Possible values for thread's suspend field

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@ -71,7 +71,8 @@ typedef enum PRThreadType {
typedef enum PRThreadScope {
PR_LOCAL_THREAD,
PR_GLOBAL_THREAD
PR_GLOBAL_THREAD,
PR_GLOBAL_BOUND_THREAD
} PRThreadScope;
typedef enum PRThreadState {

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@ -200,7 +200,8 @@ PRStatus _MD_CreateThread(PRThread *thread,
* when the corresponding NSPR threads terminate.
*/
flags = THR_SUSPENDED|THR_DETACHED;
if (thread->flags & (_PR_GCABLE_THREAD|_PR_BOUND_THREAD))
if ((thread->flags & (_PR_GCABLE_THREAD|_PR_BOUND_THREAD)) ||
(scope == PR_GLOBAL_BOUND_THREAD))
flags |= THR_BOUND;
if (thr_create(NULL, thread->stack->stackSize,
@ -219,8 +220,8 @@ PRStatus _MD_CreateThread(PRThread *thread,
thr_sigsetmask(SIG_SETMASK, &oldset, NULL);
_MD_NEW_SEM(&thread->md.waiter_sem, 0);
if (scope == PR_GLOBAL_THREAD) {
thread->flags |= _PR_GLOBAL_SCOPE;
if ((scope == PR_GLOBAL_THREAD) || (scope == PR_GLOBAL_BOUND_THREAD)) {
thread->flags |= _PR_GLOBAL_SCOPE;
}
_MD_SET_PRIORITY(&(thread->md), priority);

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@ -256,7 +256,8 @@ PRStatus _MD_CREATE_THREAD(PRThread *thread,
flags = (state == PR_JOINABLE_THREAD ? THR_SUSPENDED/*|THR_NEW_LWP*/
: THR_SUSPENDED|THR_DETACHED/*|THR_NEW_LWP*/);
if (thread->flags & _PR_GCABLE_THREAD)
if ((thread->flags & _PR_GCABLE_THREAD) ||
(scope == PR_GLOBAL_BOUND_THREAD))
flags |= THR_BOUND;
if (thr_create(NULL, thread->stack->stackSize,
@ -276,8 +277,8 @@ PRStatus _MD_CREATE_THREAD(PRThread *thread,
thr_sigsetmask(SIG_SETMASK, &oldset, NULL);
_MD_NEW_SEM(&thread->md.waiter_sem, 0);
if (scope == PR_GLOBAL_THREAD) {
thread->flags |= _PR_GLOBAL_SCOPE;
if ((scope == PR_GLOBAL_THREAD) || (scope == PR_GLOBAL_BOUND_THREAD)) {
thread->flags |= _PR_GLOBAL_SCOPE;
}
/*

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@ -311,6 +311,8 @@ static PRThread* _PR_CreateThread(
thred->state |= PT_THREAD_DETACHED;
if (PR_GLOBAL_THREAD == scope)
thred->state |= PT_THREAD_GLOBAL;
if (PR_GLOBAL_BOUND_THREAD == scope)
thred->state |= (PT_THREAD_GLOBAL | PT_THREAD_BOUND);
if (PR_SYSTEM_THREAD == type)
thred->state |= PT_THREAD_SYSTEM;
@ -339,6 +341,9 @@ static PRThread* _PR_CreateThread(
else pt_book.user += 1;
PR_Unlock(pt_book.ml);
if (thred->state & PT_THREAD_BOUND) {
rv = pthread_attr_setscope(&tattr, PTHREAD_SCOPE_SYSTEM);
}
/*
* We pass a pointer to a local copy (instead of thred->id)
* to pthread_create() because who knows what wacky things
@ -518,7 +523,8 @@ PR_IMPLEMENT(PRThread*) PR_GetCurrentThread()
PR_IMPLEMENT(PRThreadScope) PR_GetThreadScope(const PRThread *thred)
{
return PR_GLOBAL_THREAD;
return (thred->state & PT_THREAD_BOUND) ?
PR_GLOBAL_BOUND_THREAD : PR_GLOBAL_THREAD;
} /* PR_GetThreadScope() */
PR_IMPLEMENT(PRThreadType) PR_GetThreadType(const PRThread *thred)

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@ -1088,10 +1088,15 @@ PR_IMPLEMENT(PRThread*) _PR_CreateThread(PRThreadType type,
me = _PR_MD_CURRENT_THREAD();
#if defined(_PR_GLOBAL_THREADS_ONLY)
scope = PR_GLOBAL_THREAD;
/*
* can create global threads only
*/
if (scope == PR_LOCAL_THREAD)
scope = PR_GLOBAL_THREAD;
#endif
native = ((scope == PR_GLOBAL_THREAD) && _PR_IS_NATIVE_THREAD_SUPPORTED());
native = (((scope == PR_GLOBAL_THREAD)|| (scope == PR_GLOBAL_BOUND_THREAD))
&& _PR_IS_NATIVE_THREAD_SUPPORTED());
_PR_ADJUST_STACKSIZE(stackSize);

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@ -403,9 +403,10 @@ PR_IMPLEMENT(PRThreadScope) PR_GetThreadScope(const PRThread *thread)
#endif
if (!_pr_initialized) _PR_ImplicitInitialization();
if (_PR_IS_NATIVE_THREAD(thread))
return PR_GLOBAL_THREAD;
else
if (_PR_IS_NATIVE_THREAD(thread)) {
return (thread->flags & _PR_BOUND_THREAD) ? PR_GLOBAL_BOUND_THREAD :
PR_GLOBAL_THREAD;
} else
return PR_LOCAL_THREAD;
}