source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/thread/__wait.c@ 352

Last change on this file since 352 was 352, checked in by coas-nagasima, 6 years ago

arm向け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: 449 bytes
Line 
1#include "pthread_impl.h"
2
3void __wait(volatile int *addr, volatile int *waiters, int val, int priv)
4{
5 int spins=100;
6 if (priv) priv = FUTEX_PRIVATE;
7 while (spins-- && (!waiters || !*waiters)) {
8 if (*addr==val) a_spin();
9 else return;
10 }
11 if (waiters) a_inc(waiters);
12 while (*addr==val) {
13 __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -ENOSYS
14 || __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
15 }
16 if (waiters) a_dec(waiters);
17}
Note: See TracBrowser for help on using the repository browser.