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https://github.com/jart/cosmopolitan.git
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fa20edc44d
- Remove most __ASSEMBLER__ __LINKER__ ifdefs - Rename libc/intrin/bits.h to libc/serialize.h - Block pthread cancelation in fchmodat() polyfill - Remove `clang-format off` statements in third_party
26 lines
822 B
C
26 lines
822 B
C
#ifndef NSYNC_SEM_H_
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#define NSYNC_SEM_H_
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#include "third_party/nsync/time.h"
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COSMOPOLITAN_C_START_
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typedef struct nsync_semaphore_s_ {
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void *sem_space[3];
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} nsync_semaphore;
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/* Initialize *s; the initial value is 0. */
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void nsync_mu_semaphore_init(nsync_semaphore *s);
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/* Wait until the count of *s exceeds 0, and decrement it. */
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errno_t nsync_mu_semaphore_p(nsync_semaphore *s);
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/* Wait until one of: the count of *s is non-zero, in which case
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decrement *s and return 0; or abs_deadline expires, in which case
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return ETIMEDOUT. */
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errno_t nsync_mu_semaphore_p_with_deadline(nsync_semaphore *s,
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nsync_time abs_deadline);
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/* Ensure that the count of *s is at least 1. */
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void nsync_mu_semaphore_v(nsync_semaphore *s);
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COSMOPOLITAN_C_END_
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#endif /* NSYNC_SEM_H_ */
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