47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#ifndef FIO_MUTEX_H
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#define FIO_MUTEX_H
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#include <pthread.h>
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#include "lib/types.h"
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#define FIO_MUTEX_MAGIC 0x4d555445U
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#define FIO_RWLOCK_MAGIC 0x52574c4fU
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struct fio_mutex {
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pthread_mutex_t lock;
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pthread_cond_t cond;
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int value;
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int waiters;
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int magic;
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};
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struct fio_rwlock {
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pthread_rwlock_t lock;
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int magic;
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};
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enum {
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FIO_MUTEX_LOCKED = 0,
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FIO_MUTEX_UNLOCKED = 1,
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};
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extern int __fio_mutex_init(struct fio_mutex *, int);
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extern struct fio_mutex *fio_mutex_init(int);
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extern void __fio_mutex_remove(struct fio_mutex *);
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extern void fio_mutex_remove(struct fio_mutex *);
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extern void fio_mutex_up(struct fio_mutex *);
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extern void fio_mutex_down(struct fio_mutex *);
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extern bool fio_mutex_down_trylock(struct fio_mutex *);
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extern int fio_mutex_down_timeout(struct fio_mutex *, unsigned int);
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extern void fio_rwlock_read(struct fio_rwlock *);
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extern void fio_rwlock_write(struct fio_rwlock *);
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extern void fio_rwlock_unlock(struct fio_rwlock *);
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extern struct fio_rwlock *fio_rwlock_init(void);
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extern void fio_rwlock_remove(struct fio_rwlock *);
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extern int mutex_init_pshared(pthread_mutex_t *);
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extern int cond_init_pshared(pthread_cond_t *);
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extern int mutex_cond_init_pshared(pthread_mutex_t *, pthread_cond_t *);
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#endif
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