source: asp3_tinet_ecnl_rx/trunk/musl-1.1.18/src/thread/__lock.c@ 337

Last change on this file since 337 was 337, checked in by coas-nagasima, 6 years ago

ASP3版ECNLを追加
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc;charset=UTF-8
File size: 230 bytes
Line 
1#include "pthread_impl.h"
2
3void __lock(volatile int *l)
4{
5 if (libc.threads_minus_1)
6 while (a_swap(l, 1)) __wait(l, l+1, 1, 1);
7}
8
9void __unlock(volatile int *l)
10{
11 if (l[0]) {
12 a_store(l, 0);
13 if (l[1]) __wake(l, 1, 1);
14 }
15}
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