mirror of
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
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_SEMAPHORE_H_
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#define COSMOPOLITAN_LIBC_CALLS_SEMAPHORE_H_
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#include "libc/calls/struct/timespec.h"
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COSMOPOLITAN_C_START_
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#define SEM_FAILED ((sem_t *)0)
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#define SEM_MAGIC_NAMED 0xDEADBEEFu
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#define SEM_MAGIC_UNNAMED 0xFEEDABEEu
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#define SEM_MAGIC_KERNEL 0xCAFEBABEu
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typedef struct {
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union {
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struct {
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_Atomic(int) sem_value;
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_Atomic(int) sem_waiters;
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_Atomic(int) sem_prefs; /* named only */
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unsigned sem_magic;
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int64_t sem_dev; /* named only */
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int64_t sem_ino; /* named only */
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int sem_pid; /* unnamed only */
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char sem_lazydelete; /* named only */
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char sem_pshared;
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int *sem_kernel;
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};
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void *sem_space[32];
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};
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} sem_t;
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int sem_init(sem_t *, int, unsigned);
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int sem_destroy(sem_t *);
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int sem_post(sem_t *);
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int sem_wait(sem_t *);
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int sem_trywait(sem_t *);
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int sem_timedwait(sem_t *, const struct timespec *);
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int sem_getvalue(sem_t *, int *);
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sem_t *sem_open(const char *, int, ...);
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int sem_close(sem_t *);
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int sem_unlink(const char *);
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_CALLS_SEMAPHORE_H_ */
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