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Wrap code for posting of notifications (for becoming multithreaded and for a thread being about to exit) in an autorelease loop. This should avoid possible leakage of objects and warnings during the notification process.

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This commit is contained in:
Richard Frith-Macdonald 2020-05-29 16:25:52 +01:00
parent 1be8a1375a
commit 6fd8dd7a20
1 changed files with 7 additions and 2 deletions
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9
Source/NSThread.m
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@ -763,6 +763,7 @@ GSCurrentThreadDictionary(void)
static void
gnustep_base_thread_callback(void)
{
static pthread_mutex_t threadLock = PTHREAD_MUTEX_INITIALIZER;
/*
* Protect this function with locking ... to avoid any possibility
* of multiple threads registering with the system simultaneously,
@ -771,9 +772,10 @@ gnustep_base_thread_callback(void)
*/
if (entered_multi_threaded_state == NO)
{
[gnustep_global_lock lock];
pthread_mutex_lock(&threadLock);
if (entered_multi_threaded_state == NO)
{
ENTER_POOL
/*
* For apple compatibility ... and to make things easier for
* code called indirectly within a will-become-multi-threaded
@ -814,8 +816,9 @@ gnustep_base_thread_callback(void)
fflush(stderr);
}
NS_ENDHANDLER
LEAVE_POOL
}
[gnustep_global_lock unlock];
pthread_mutex_unlock(&threadLock);
}
}
@ -862,6 +865,7 @@ unregisterActiveThread(NSThread *thread)
{
/* Let observers know this thread is exiting.
*/
ENTER_POOL
if (nc == nil)
{
nc = RETAIN([NSNotificationCenter defaultCenter]);
@ -877,6 +881,7 @@ unregisterActiveThread(NSThread *thread)
thread->_finished = YES;
[(GSRunLoopThreadInfo*)thread->_runLoopInfo invalidate];
LEAVE_POOL
RELEASE(thread);
pthread_setspecific(thread_object_key, nil);
}