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	- Introduce fast spinlock API - Double rand64() perf w/ spinlock - Improve raise() on New Technology - Support gettid() across platforms - Implement SA_NODEFER on New Technology - Move the lock intrinsics into LIBC_INTRIN - Make SIGTRAP recoverable on New Technology - Block SIGCHLD in wait4() on New Technology - Add threading prototypes for XNU and FreeBSD - Rewrite abort() fixing its minor bugs on XNU/NT - Shave down a lot of the content in libc/bits/bits.h - Let signal handlers modify CPU registers on New Technology
		
			
				
	
	
		
			32 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
	
		
			2 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 2020 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/intrin/lockxchg.h"
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| #include "libc/mem/mem.h"
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| #include "libc/runtime/runtime.h"
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| 
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| /* TODO(jart): DELETE */
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| 
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| void free_s(void *v) {
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|   void **pp = (void **)v;
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|   void *p = NULL;
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|   lockxchg(pp, &p);
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|   if (_isheap(p)) {
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|     _weakfree(p);
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|   }
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| }
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