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	- Improve compatibility with Blink virtual machine - Add non-POSIX APIs for joining threads and signal masks - Never ever use anything except 32-bit integers for atomics - Add some `#undef` statements to workaround `ctags` problems
		
			
				
	
	
		
			42 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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| │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
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| ╞══════════════════════════════════════════════════════════════════════════════╡
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| │ Copyright 2022 Justine Alexandra Roberts Tunney                              │
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| │                                                                              │
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| │ Permission to use, copy, modify, and/or distribute this software for         │
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| │ any purpose with or without fee is hereby granted, provided that the         │
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| │ above copyright notice and this permission notice appear in all copies.      │
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| │                                                                              │
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| │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
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| │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
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| │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
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| │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
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| │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
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| │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
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| │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
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| │ PERFORMANCE OF THIS SOFTWARE.                                                │
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| ╚─────────────────────────────────────────────────────────────────────────────*/
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| #include "libc/thread/thread2.h"
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| 
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| /**
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|  * Waits for thread to terminate.
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|  *
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|  * Multiple threads joining the same thread is undefined behavior. If a
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|  * deferred or masked cancellation happens to the calling thread either
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|  * before or during the waiting process then the target thread will not
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|  * be joined. Calling pthread_join() on a non-joinable thread, e.g. one
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|  * that's been detached, is undefined behavior. If a thread attempts to
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|  * join itself, then the behavior is undefined.
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|  *
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|  * @param value_ptr if non-null will receive pthread_exit() argument
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|  *     if the thread called pthread_exit(), or `PTHREAD_CANCELED` if
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|  *     pthread_cancel() destroyed the thread instead
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|  * @return 0 on success, or errno on error
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|  * @raise ECANCELED if calling thread was cancelled in masked mode
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|  * @cancellationpoint
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|  * @returnserrno
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|  * @threadsafe
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|  */
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| errno_t pthread_join(pthread_t thread, void **value_ptr) {
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|   return pthread_timedjoin_np(thread, value_ptr, 0);
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| }
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