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Methods to register/unregister an alien thread turned into functions

Browse source 
for maximum thread safety


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@9449 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
nico 2001-03-19 12:20:21 +00:00
parent 4e07d4c0d1
commit 2d97ccb6b4
3 changed files with 51 additions and 24 deletions
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42
Source/NSThread.m
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@ -35,6 +35,8 @@
#include <Foundation/NSString.h>
#include <Foundation/NSNotificationQueue.h>
static Class threadClass = Nil;
#ifndef NO_GNUSTEP
#ifndef HAVE_OBJC_THREAD_ADD
/* We need to access these private vars in the objc runtime - because
@ -265,6 +267,7 @@ gnustep_base_thread_callback()
withObject: nil];
defaultThread->_active = YES;
objc_thread_set_data(defaultThread);
threadClass = self;
}
}
@ -419,7 +422,22 @@ gnustep_base_thread_callback()
@end
@implementation NSThread (GNUstepRegister)
#warning "NSThread +registerCurrentThread will be removed in 1.0.0"
/* Deprecated - will be removed in 1.0.0 */
+ (BOOL) registerCurrentThread
{
return GSRegisterCurrentThread ();
}
/* Deprecated - will be removed in 1.0.0 */
+ (void) unregisterCurrentThread
{
GSUnregisterCurrentThread ();
}
@end
BOOL
GSRegisterCurrentThread (void)
{
NSThread *thread;
@ -431,19 +449,20 @@ gnustep_base_thread_callback()
return NO;
}
/*
* Create the new thread object.
*/
thread = (NSThread*)NSAllocateObject (self, 0, NSDefaultMallocZone ());
thread = [thread _initWithSelector: NULL toTarget: nil withObject: nil];
objc_thread_set_data (thread);
((NSThread *)thread)->_active = YES;
/*
* Make sure the Objective-C runtime knows there is an additional thread.
*/
objc_thread_add ();
/*
* Create the new thread object.
*/
thread = (NSThread*)NSAllocateObject (threadClass, 0,
NSDefaultMallocZone ());
thread = [thread _initWithSelector: NULL toTarget: nil withObject: nil];
objc_thread_set_data (thread);
((NSThread *)thread)->_active = YES;
/*
* We post the notification after we register the thread.
*/
@ -452,12 +471,13 @@ gnustep_base_thread_callback()
return YES;
}
+ (void) unregisterCurrentThread
void
GSUnregisterCurrentThread (void)
{
NSThread *thread;
thread = GSCurrentThread();
if (thread->_active == YES)
{
/*
@ -478,5 +498,3 @@ gnustep_base_thread_callback()
objc_thread_remove ();
}
}
@end