source:
asp3_tinet_ecnl_rx/trunk/musl-1.1.18/src/thread/pthread_spin_lock.c@
337
Last change on this file since 337 was 337, checked in by , 6 years ago | |
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File size: 166 bytes |
Rev | Line | |
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[337] | 1 | #include "pthread_impl.h" |
2 | #include <errno.h> | |
3 | ||
4 | int pthread_spin_lock(pthread_spinlock_t *s) | |
5 | { | |
6 | while (*(volatile int *)s || a_cas(s, 0, EBUSY)) a_spin(); | |
7 | return 0; | |
8 | } |
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