62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
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/* ==== cond.h ============================================================
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* Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
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*
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* Description : mutex header.
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*
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* 1.00 93/10/30 proven
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* -Started coding this file.
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*/
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/*
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* New cond structures
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*/
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enum pthread_cond_type {
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COND_TYPE_FAST,
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COND_TYPE_STATIC_FAST,
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COND_TYPE_METERED,
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COND_TYPE_DEBUG, /* Debug conds will have lots of options */
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COND_TYPE_MAX
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};
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typedef struct pthread_cond {
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enum pthread_cond_type c_type;
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struct pthread_queue c_queue;
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semaphore c_lock;
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void * c_data;
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long c_flags;
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} pthread_cond_t;
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typedef struct pthread_cond_attr {
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enum pthread_cond_type c_type;
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long c_flags;
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} pthread_condattr_t;
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/*
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* Flags for conds.
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*/
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#define COND_FLAGS_PRIVATE 0x01
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#define COND_FLAGS_INITED 0x02
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#define COND_FLAGS_BUSY 0x04
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/*
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* Static cond initialization values.
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*/
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#define PTHREAD_COND_INITIALIZER \
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{ COND_TYPE_STATIC_FAST, PTHREAD_QUEUE_INITIALIZER, \
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NULL, SEMAPHORE_CLEAR, COND_FLAGS_INITED }
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/*
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* New functions
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*/
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__BEGIN_DECLS
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int pthread_cond_init __P((pthread_cond_t *, pthread_condattr_t *));
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int pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *));
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int pthread_cond_signal __P((pthread_cond_t *));
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int pthread_cond_broadcast __P((pthread_cond_t *));
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int pthread_cond_destroy __P((pthread_cond_t *));
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__END_DECLS
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