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Lines 29-38
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#include <limits.h> |
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#include <limits.h> |
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#include <stdint.h> |
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#include <stdint.h> |
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#include <unistd.h> |
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#include <unistd.h> |
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#if defined(__FreeBSD__) |
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# if __FreeBSD__ < 11 |
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# include <machine/atomic.h> |
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# endif |
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#include <errno.h> |
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#include <sys/umtx.h> |
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#else |
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#include <linux/futex.h> |
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#include <linux/futex.h> |
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#include <sys/syscall.h> |
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#include <sys/syscall.h> |
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#endif |
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#include <sys/time.h> |
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#include <sys/time.h> |
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#if defined(__FreeBSD__) |
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static inline int futex_wake(uint32_t *addr, int count) |
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{ |
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return _umtx_op(addr, UMTX_OP_WAKE, (uint32_t)count, NULL, NULL) == -1 ? errno : 0; |
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} |
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static inline int futex_wait(uint32_t *addr, int32_t value, struct timespec *timeout) |
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{ |
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void *uaddr = NULL, *uaddr2 = NULL; |
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if (timeout != NULL) { |
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const struct _umtx_time tmo = { ._clockid = CLOCK_MONOTONIC, ._flags = UMTX_ABSTIME, ._timeout = *timeout }; |
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uaddr = (void *)&tmo; |
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uaddr2 = (void *)(uintptr_t)sizeof(tmo); |
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} |
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return _umtx_op(addr, UMTX_OP_WAIT_UINT, (uint32_t)value, uaddr, uaddr2) == -1 ? errno : 0; |
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} |
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#else |
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static inline long sys_futex(void *addr1, int op, int val1, const struct timespec *timeout, void *addr2, int val3) |
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static inline long sys_futex(void *addr1, int op, int val1, const struct timespec *timeout, void *addr2, int val3) |
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{ |
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{ |
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return syscall(SYS_futex, addr1, op, val1, timeout, addr2, val3); |
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return syscall(SYS_futex, addr1, op, val1, timeout, addr2, val3); |
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static inline int futex_wait(uint32_t *addr, int32_t v
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return sys_futex(addr, FUTEX_WAIT_BITSET, value, timeout, NULL, |
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return sys_futex(addr, FUTEX_WAIT_BITSET, value, timeout, NULL, |
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FUTEX_BITSET_MATCH_ANY); |
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FUTEX_BITSET_MATCH_ANY); |
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} |
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} |
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#endif |
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#endif |
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#endif |
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