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3aac2619 TM |
1 | #ifndef __PTHREAD_EXTRA_H__ |
2 | #define __PTHREAD_EXTRA_H__ | |
3 | ||
4 | #include <pthread.h> | |
3aac2619 TM |
5 | #include <stdbool.h> |
6 | #include <stdint.h> | |
a8e71e8f | 7 | #include <signal.h> |
88342701 | 8 | //#include <time.h> |
3aac2619 TM |
9 | |
10 | #define PTHREAD_XTIME_NOBLOCK (&(struct timespec){ .tv_sec = 0, .tv_nsec = 0 }) | |
11 | #define PTHREAD_XTIME_FOREVER NULL | |
12 | ||
88342701 | 13 | // User data |
a8e71e8f | 14 | |
88342701 TM |
15 | #define PTHREAD_XTHREADS_MAX 65535 |
16 | #define PTHREAD_XNULL ((pthread_t)NULL) | |
17 | ||
18 | #ifdef __PTHREAD_EXTRA_INTERNAL | |
19 | typedef struct pthread_user_data_internal_t { | |
20 | pthread_t tid; //Thread ID | |
88342701 | 21 | void *usr; //User pointer |
dec91d37 TM |
22 | //Internaly used members: |
23 | sig_atomic_t running; //pthread_pause | |
88342701 TM |
24 | } pthread_user_data_internal_t; |
25 | ||
26 | pthread_user_data_internal_t* pthread_user_data_internal(pthread_t thread); | |
27 | #endif //__PTHREAD_EXTRA_INTERNAL | |
28 | ||
29 | void** pthread_user_data_ptr(pthread_t thread); | |
30 | void* pthread_user_data_get(pthread_t thread); | |
31 | void pthread_user_data_set(pthread_t thread, void *usr); | |
7e0f3dba | 32 | void pthread_user_data_cleanup(void * arg); |
88342701 TM |
33 | |
34 | // Pausing | |
35 | ||
36 | //GDB: handle SIG34 nostop noprint | |
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37 | #define PTHREAD_XSIG_STOP (SIGRTMIN+0) |
38 | #define PTHREAD_XSIG_CONT (SIGRTMIN+1) | |
39 | #define PTHREAD_XSIGRTMIN (SIGRTMIN+2) //First unused RT signal | |
40 | ||
7e0f3dba TM |
41 | int pthread_extra_create(pthread_t *restrict thread, |
42 | const pthread_attr_t *restrict attr, | |
43 | void *(*start_routine)(void *), | |
44 | void *restrict arg); | |
a8e71e8f TM |
45 | void pthread_unpause_handler(); |
46 | void pthread_pause_handler(); | |
47 | void pthread_pause_enable(); | |
88342701 TM |
48 | int pthread_pause(pthread_t thread); |
49 | int pthread_unpause(pthread_t thread); | |
7e0f3dba | 50 | int pthread_pause_reschedule(pthread_t thread); |
8df6da88 | 51 | int pthread_extra_yield(); |
a8e71e8f | 52 | |
3aac2619 TM |
53 | // Message queues |
54 | ||
9e057e1d TM |
55 | //Flags |
56 | typedef uint8_t pthread_mq_flags_t; | |
57 | #define PTHREAD_XMQ_NONE 0 ///< No flags specified (default behaviour) | |
58 | #define PTHREAD_XMQ_FRONT 1 ///< Send to front of the queue (scheduled for next receive) | |
59 | #define PTHREAD_XMQ_BACK PTHREAD_XMQ_NONE ///< Send to back of the queue (default) | |
60 | #define PTHREAD_XMQ_PEEK 2 ///< Only peek, do not remove received item | |
61 | #define PTHREAD_XMQ_RECV PTHREAD_XMQ_NONE ///< Remove received item from queue (default) | |
62 | #define PTHREAD_XMQ_OVERW 4 ///< Overwrite item if queue full | |
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63 | |
64 | typedef struct pthread_mq_t { | |
65 | pthread_mutex_t lock; | |
66 | pthread_cond_t cond_readable; | |
67 | pthread_cond_t cond_writable; | |
5251b63c | 68 | uint8_t * data; |
3aac2619 TM |
69 | size_t msg_size; |
70 | size_t msg_count; | |
71 | size_t msg_count_max; | |
72 | size_t head_idx; | |
73 | char * name; | |
74 | } pthread_mq_t; | |
75 | ||
76 | bool pthread_mq_init(pthread_mq_t *mq, size_t msg_size, size_t msg_count_max); | |
77 | void pthread_mq_free(pthread_mq_t *mq); | |
77c7dc7f | 78 | |
3aac2619 | 79 | bool pthread_mq_reset(pthread_mq_t *mq); |
9e057e1d TM |
80 | bool pthread_mq_send_generic(pthread_mq_t *mq, void * data, pthread_mq_flags_t flags, const struct timespec *restrict abs_timeout); |
81 | bool pthread_mq_receive_generic(pthread_mq_t *mq, void * data, pthread_mq_flags_t flags, const struct timespec *restrict abs_timeout); | |
3aac2619 | 82 | |
77c7dc7f TM |
83 | size_t pthread_mq_waiting(pthread_mq_t *mq); |
84 | size_t pthread_mq_vacant(pthread_mq_t *mq); | |
85 | ||
3aac2619 TM |
86 | // Multi mutex locking |
87 | ||
5251b63c | 88 | #define pthread_mutex_swap(a, b) { pthread_mutex_t *s; s = (a); a = (b); b = s; } |
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89 | |
90 | #define pthread_mutex_lock_two(a,b) pthread_mutex_timedlock_multi_generic((pthread_mutex_t *[2]){(a), (b)}, 2, true, NULL) | |
91 | #define pthread_mutex_timedlock_two(a,b,tm) pthread_mutex_timedlock_multi_generic((pthread_mutex_t *[2]){(a), (b)}, 2, true, (tm)) | |
92 | #define pthread_mutex_trylock_two(a,b) pthread_mutex_timedlock_multi_generic((pthread_mutex_t *[2]){(a), (b)}, 2, false, NULL) | |
93 | ||
94 | #define pthread_mutex_lock_multi(lcks,cnt) pthread_mutex_timedlock_multi_generic((lcks),(cnt),true,NULL) | |
95 | #define pthread_mutex_timedlock_multi(lcks,cnt,tm) pthread_mutex_timedlock_multi_generic((lcks),(cnt),true,(tm)) | |
96 | #define pthread_mutex_trylock_multi(lcks,cnt) pthread_mutex_timedlock_multi_generic((lcks),(cnt),false,NULL) | |
97 | ||
98 | int pthread_mutex_timedlock_multi_generic(pthread_mutex_t **lck, int cnt, bool block, const struct timespec *restrict abs_timeout); | |
99 | ||
100 | ||
101 | #endif //__PTHREAD_EXTRA_H__ |