1 #ifndef R2_TH_H 2 #define R2_TH_H 3 4 #ifdef _GNU_SOURCE 5 #undef _GNU_SOURCE 6 #endif 7 #define _GNU_SOURCE 8 #include "r_types.h" 9 10 #define HAVE_PTHREAD 1 11 12 #if __WINDOWS__ 13 #undef HAVE_PTHREAD 14 #define HAVE_PTHREAD 0 15 #define R_TH_TID HANDLE 16 #define R_TH_LOCK_T CRITICAL_SECTION 17 #define R_TH_COND_T CONDITION_VARIABLE 18 #define R_TH_SEM_T HANDLE 19 //HANDLE 20 21 #elif HAVE_PTHREAD 22 #define __GNU 23 #include <semaphore.h> 24 #include <pthread.h> 25 #if __linux__ 26 #include <sched.h> 27 #endif 28 #if __linux__ && __GLIBC_MINOR < 12 29 #define HAVE_PTHREAD_NP 0 30 #else 31 #define HAVE_PTHREAD_NP 1 32 #endif 33 #if __APPLE__ 34 #include <pthread.h> 35 #endif 36 #if __FreeBSD__ || __OpenBSD__ || __DragonFly__ 37 #if __FreeBSD__ 38 #include <sys/cpuset.h> 39 #endif 40 #include <pthread_np.h> 41 #endif 42 #define R_TH_TID pthread_t 43 #define R_TH_LOCK_T pthread_mutex_t 44 #define R_TH_COND_T pthread_cond_t 45 #define R_TH_SEM_T sem_t * 46 47 #else 48 #error Threading library only supported for pthread and w32 49 #endif 50 51 typedef enum { R_TH_FREED = -1, R_TH_STOP = 0, R_TH_REPEAT = 1 } RThreadFunctionRet; 52 #define R_TH_FUNCTION(x) RThreadFunctionRet (*x)(struct r_th_t *) 53 54 #ifdef __cplusplus 55 extern "C" { 56 #endif 57 58 typedef struct r_th_sem_t { 59 R_TH_SEM_T sem; 60 } RThreadSemaphore; 61 62 typedef struct r_th_lock_t { 63 R_TH_LOCK_T lock; 64 } RThreadLock; 65 66 typedef struct r_th_cond_t { 67 R_TH_COND_T cond; 68 } RThreadCond; 69 70 typedef struct r_th_t { 71 R_TH_TID tid; 72 RThreadLock *lock; 73 R_TH_FUNCTION(fun); 74 void *user; // user pointer 75 int running; 76 int breaked; // thread aims to be interrupted 77 int delay; // delay the startup of the thread N seconds 78 int ready; // thread is properly setup 79 } RThread; 80 81 typedef struct r_th_pool_t { 82 int size; 83 RThread **threads; 84 } RThreadPool; 85 86 #ifdef R_API 87 R_API RThread *r_th_new(R_TH_FUNCTION(fun), void *user, int delay); 88 R_API bool r_th_start(RThread *th, int enable); 89 R_API int r_th_wait(RThread *th); 90 R_API int r_th_wait_async(RThread *th); 91 R_API void r_th_break(RThread *th); 92 R_API void *r_th_free(RThread *th); 93 R_API void *r_th_kill_free(RThread *th); 94 R_API bool r_th_kill(RThread *th, bool force); 95 R_API R_TH_TID r_th_self(void); 96 R_API bool r_th_setname(RThread *th, const char *name); 97 R_API bool r_th_getname(RThread *th, char *name, size_t len); 98 R_API bool r_th_setaffinity(RThread *th, int cpuid); 99 100 R_API RThreadSemaphore *r_th_sem_new(unsigned int initial); 101 R_API void r_th_sem_free(RThreadSemaphore *sem); 102 R_API void r_th_sem_post(RThreadSemaphore *sem); 103 R_API void r_th_sem_wait(RThreadSemaphore *sem); 104 105 R_API RThreadLock *r_th_lock_new(bool recursive); 106 R_API int r_th_lock_wait(RThreadLock *th); 107 R_API int r_th_lock_tryenter(RThreadLock *thl); 108 R_API int r_th_lock_enter(RThreadLock *thl); 109 R_API int r_th_lock_leave(RThreadLock *thl); 110 R_API void *r_th_lock_free(RThreadLock *thl); 111 112 R_API RThreadCond *r_th_cond_new(void); 113 R_API void r_th_cond_signal(RThreadCond *cond); 114 R_API void r_th_cond_signal_all(RThreadCond *cond); 115 R_API void r_th_cond_wait(RThreadCond *cond, RThreadLock *lock); 116 R_API void r_th_cond_free(RThreadCond *cond); 117 118 #endif 119 120 #ifdef __cplusplus 121 } 122 #endif 123 124 #endif 125