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| Commit | Line | Data |
|---|---|---|
| 90269d47 AM |
1 | /* ==== cond.h ============================================================ |
| 2 | * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu | |
| 3 | * | |
| 4 | * Description : mutex header. | |
| 5 | * | |
| 6 | * 1.00 93/10/30 proven | |
| 7 | * -Started coding this file. | |
| 8 | */ | |
| 9 | ||
| 10 | /* | |
| 11 | * New cond structures | |
| 12 | */ | |
| 13 | enum pthread_cond_type { | |
| 14 | COND_TYPE_FAST, | |
| 15 | COND_TYPE_STATIC_FAST, | |
| 16 | COND_TYPE_METERED, | |
| 17 | COND_TYPE_DEBUG, /* Debug conds will have lots of options */ | |
| 18 | COND_TYPE_MAX | |
| 19 | }; | |
| 20 | ||
| 21 | typedef struct pthread_cond { | |
| 22 | enum pthread_cond_type c_type; | |
| 23 | struct pthread_queue c_queue; | |
| 24 | semaphore c_lock; | |
| 25 | void * c_data; | |
| 26 | long c_flags; | |
| 27 | } pthread_cond_t; | |
| 28 | ||
| 29 | typedef struct pthread_cond_attr { | |
| 30 | enum pthread_cond_type c_type; | |
| 31 | long c_flags; | |
| 32 | } pthread_condattr_t; | |
| 33 | ||
| 34 | /* | |
| 35 | * Flags for conds. | |
| 36 | */ | |
| 37 | #define COND_FLAGS_PRIVATE 0x01 | |
| 38 | #define COND_FLAGS_INITED 0x02 | |
| 39 | #define COND_FLAGS_BUSY 0x04 | |
| 40 | ||
| 41 | /* | |
| 42 | * Static cond initialization values. | |
| 43 | */ | |
| 44 | #define PTHREAD_COND_INITIALIZER \ | |
| 45 | { COND_TYPE_STATIC_FAST, PTHREAD_QUEUE_INITIALIZER, \ | |
| 46 | NULL, SEMAPHORE_CLEAR, COND_FLAGS_INITED } | |
| 47 | ||
| 48 | /* | |
| 49 | * New functions | |
| 50 | */ | |
| 51 | ||
| 52 | __BEGIN_DECLS | |
| 53 | ||
| 54 | int pthread_cond_init __P((pthread_cond_t *, pthread_condattr_t *)); | |
| 55 | int pthread_cond_wait __P((pthread_cond_t *, pthread_mutex_t *)); | |
| 56 | int pthread_cond_signal __P((pthread_cond_t *)); | |
| 57 | int pthread_cond_broadcast __P((pthread_cond_t *)); | |
| 58 | int pthread_cond_destroy __P((pthread_cond_t *)); | |
| 59 | ||
| 60 | __END_DECLS | |
| 61 |