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Side by Side Diff: fusl/src/thread/__wait.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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1 #include "pthread_impl.h" 1 #include "pthread_impl.h"
2 2
3 void __wait(volatile int *addr, volatile int *waiters, int val, int priv) 3 void __wait(volatile int* addr, volatile int* waiters, int val, int priv) {
4 { 4 int spins = 100;
5 » int spins=100; 5 if (priv)
6 » if (priv) priv = FUTEX_PRIVATE; 6 priv = FUTEX_PRIVATE;
7 » while (spins-- && (!waiters || !*waiters)) { 7 while (spins-- && (!waiters || !*waiters)) {
8 » » if (*addr==val) a_spin(); 8 if (*addr == val)
9 » » else return; 9 a_spin();
10 » } 10 else
11 » if (waiters) a_inc(waiters); 11 return;
12 » while (*addr==val) { 12 }
13 » » __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -ENOSYS 13 if (waiters)
14 » » || __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0); 14 a_inc(waiters);
15 » } 15 while (*addr == val) {
16 » if (waiters) a_dec(waiters); 16 __syscall(SYS_futex, addr, FUTEX_WAIT | priv, val, 0) != -ENOSYS ||
17 __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
18 }
19 if (waiters)
20 a_dec(waiters);
17 } 21 }
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