62 lines
2.7 KiB
Plaintext
62 lines
2.7 KiB
Plaintext
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/*
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* libjingle
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* Copyright 2007, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// Helper function for using Cocoa with Posix threading.
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#import <assert.h>
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#import <Foundation/Foundation.h>
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#import "talk/base/maccocoathreadhelper.h"
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namespace talk_base {
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// Cocoa must be "put into multithreading mode" before Cocoa functionality can
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// be used on POSIX threads. The way to do that is to spawn one thread that may
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// immediately exit.
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void InitCocoaMultiThreading() {
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if ([NSThread isMultiThreaded] == NO) {
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// The sole purpose of this autorelease pool is to avoid a console
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// message on Leopard that tells us we're autoreleasing the thread
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// with no autorelease pool in place; we can't set up an autorelease
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// pool before this, because this is executed from an initializer,
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// which is run before main. This means we leak an autorelease pool,
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// and one thread, and if other objects are set up in initializers after
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// this they'll be silently added to this pool and never released.
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// Doing NSAutoreleasePool* hack = [[NSAutoreleasePool alloc] init];
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// causes unused variable error.
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NSAutoreleasePool* hack;
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hack = [[NSAutoreleasePool alloc] init];
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[NSThread detachNewThreadSelector:@selector(class)
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toTarget:[NSObject class]
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withObject:nil];
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}
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assert([NSThread isMultiThreaded]);
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}
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} // namespace talk_base
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