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3aac2619 TM |
1 | #ifndef __PTHREAD_EXTRA_H__ |
2 | #define __PTHREAD_EXTRA_H__ | |
3 | ||
4 | #include <pthread.h> | |
5 | #include <time.h> | |
6 | #include <stdbool.h> | |
7 | #include <stdint.h> | |
a8e71e8f | 8 | #include <signal.h> |
3aac2619 TM |
9 | |
10 | #define PTHREAD_XTIME_NOBLOCK (&(struct timespec){ .tv_sec = 0, .tv_nsec = 0 }) | |
11 | #define PTHREAD_XTIME_FOREVER NULL | |
12 | ||
a8e71e8f TM |
13 | //Pausing |
14 | ||
15 | #define PTHREAD_XSIG_STOP (SIGRTMIN+0) | |
16 | #define PTHREAD_XSIG_CONT (SIGRTMIN+1) | |
17 | #define PTHREAD_XSIGRTMIN (SIGRTMIN+2) //First unused RT signal | |
18 | ||
19 | #define pthread_pause(t) (pthread_kill((t), PTHREAD_XSIG_STOP)); | |
20 | #define pthread_unpause(t) (pthread_kill((t), PTHREAD_XSIG_CONT)); | |
21 | ||
22 | void pthread_unpause_handler(); | |
23 | void pthread_pause_handler(); | |
24 | void pthread_pause_enable(); | |
25 | ||
3aac2619 TM |
26 | // Message queues |
27 | ||
28 | #define PTHREAD_XMQ_FRONT true | |
29 | #define PTHREAD_XMQ_BACK false | |
30 | ||
31 | #define PTHREAD_XMQ_RECV false | |
32 | #define PTHREAD_XMQ_PEEK true | |
33 | ||
34 | typedef struct pthread_mq_t { | |
35 | pthread_mutex_t lock; | |
36 | pthread_cond_t cond_readable; | |
37 | pthread_cond_t cond_writable; | |
5251b63c | 38 | uint8_t * data; |
3aac2619 TM |
39 | size_t msg_size; |
40 | size_t msg_count; | |
41 | size_t msg_count_max; | |
42 | size_t head_idx; | |
43 | char * name; | |
44 | } pthread_mq_t; | |
45 | ||
46 | bool pthread_mq_init(pthread_mq_t *mq, size_t msg_size, size_t msg_count_max); | |
47 | void pthread_mq_free(pthread_mq_t *mq); | |
48 | size_t pthread_mq_waiting(pthread_mq_t *mq); | |
49 | bool pthread_mq_reset(pthread_mq_t *mq); | |
50 | bool pthread_mq_send_generic(pthread_mq_t *mq, void * data, bool to_front, const struct timespec *restrict abs_timeout); | |
51 | bool pthread_mq_receive_generic(pthread_mq_t *mq, void * data, bool peek, const struct timespec *restrict abs_timeout); | |
52 | ||
53 | // Multi mutex locking | |
54 | ||
5251b63c | 55 | #define pthread_mutex_swap(a, b) { pthread_mutex_t *s; s = (a); a = (b); b = s; } |
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56 | |
57 | #define pthread_mutex_lock_two(a,b) pthread_mutex_timedlock_multi_generic((pthread_mutex_t *[2]){(a), (b)}, 2, true, NULL) | |
58 | #define pthread_mutex_timedlock_two(a,b,tm) pthread_mutex_timedlock_multi_generic((pthread_mutex_t *[2]){(a), (b)}, 2, true, (tm)) | |
59 | #define pthread_mutex_trylock_two(a,b) pthread_mutex_timedlock_multi_generic((pthread_mutex_t *[2]){(a), (b)}, 2, false, NULL) | |
60 | ||
61 | #define pthread_mutex_lock_multi(lcks,cnt) pthread_mutex_timedlock_multi_generic((lcks),(cnt),true,NULL) | |
62 | #define pthread_mutex_timedlock_multi(lcks,cnt,tm) pthread_mutex_timedlock_multi_generic((lcks),(cnt),true,(tm)) | |
63 | #define pthread_mutex_trylock_multi(lcks,cnt) pthread_mutex_timedlock_multi_generic((lcks),(cnt),false,NULL) | |
64 | ||
65 | int pthread_mutex_timedlock_multi_generic(pthread_mutex_t **lck, int cnt, bool block, const struct timespec *restrict abs_timeout); | |
66 | ||
67 | ||
68 | #endif //__PTHREAD_EXTRA_H__ |