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125 lines
3.0 KiB
C
125 lines
3.0 KiB
C
#ifndef R2_TH_H
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#define R2_TH_H
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#ifdef _GNU_SOURCE
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#undef _GNU_SOURCE
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#endif
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#define _GNU_SOURCE
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#include "r_types.h"
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#define HAVE_PTHREAD 1
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#if __WINDOWS__
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#undef HAVE_PTHREAD
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#define HAVE_PTHREAD 0
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#define R_TH_TID HANDLE
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#define R_TH_LOCK_T CRITICAL_SECTION
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#define R_TH_COND_T CONDITION_VARIABLE
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#define R_TH_SEM_T HANDLE
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//HANDLE
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#elif HAVE_PTHREAD
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#define __GNU
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#include <semaphore.h>
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#include <pthread.h>
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#if __linux__
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#include <sched.h>
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#endif
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#if __linux__ && __GLIBC_MINOR < 12
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#define HAVE_PTHREAD_NP 0
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#else
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#define HAVE_PTHREAD_NP 1
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#endif
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#if __APPLE__
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#include <pthread.h>
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#endif
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#if __FreeBSD__ || __OpenBSD__ || __DragonFly__
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#if __FreeBSD__
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#include <sys/cpuset.h>
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#endif
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#include <pthread_np.h>
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#endif
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#define R_TH_TID pthread_t
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#define R_TH_LOCK_T pthread_mutex_t
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#define R_TH_COND_T pthread_cond_t
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#define R_TH_SEM_T sem_t *
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#else
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#error Threading library only supported for pthread and w32
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#endif
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typedef enum { R_TH_FREED = -1, R_TH_STOP = 0, R_TH_REPEAT = 1 } RThreadFunctionRet;
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#define R_TH_FUNCTION(x) RThreadFunctionRet (*x)(struct r_th_t *)
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct r_th_sem_t {
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R_TH_SEM_T sem;
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} RThreadSemaphore;
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typedef struct r_th_lock_t {
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R_TH_LOCK_T lock;
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} RThreadLock;
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typedef struct r_th_cond_t {
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R_TH_COND_T cond;
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} RThreadCond;
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typedef struct r_th_t {
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R_TH_TID tid;
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RThreadLock *lock;
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R_TH_FUNCTION(fun);
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void *user; // user pointer
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int running;
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int breaked; // thread aims to be interrupted
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int delay; // delay the startup of the thread N seconds
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int ready; // thread is properly setup
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} RThread;
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typedef struct r_th_pool_t {
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int size;
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RThread **threads;
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} RThreadPool;
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#ifdef R_API
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R_API RThread *r_th_new(R_TH_FUNCTION(fun), void *user, int delay);
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R_API bool r_th_start(RThread *th, int enable);
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R_API int r_th_wait(RThread *th);
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R_API int r_th_wait_async(RThread *th);
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R_API void r_th_break(RThread *th);
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R_API void *r_th_free(RThread *th);
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R_API void *r_th_kill_free(RThread *th);
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R_API bool r_th_kill(RThread *th, bool force);
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R_API R_TH_TID r_th_self(void);
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R_API bool r_th_setname(RThread *th, const char *name);
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R_API bool r_th_getname(RThread *th, char *name, size_t len);
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R_API bool r_th_setaffinity(RThread *th, int cpuid);
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R_API RThreadSemaphore *r_th_sem_new(unsigned int initial);
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R_API void r_th_sem_free(RThreadSemaphore *sem);
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R_API void r_th_sem_post(RThreadSemaphore *sem);
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R_API void r_th_sem_wait(RThreadSemaphore *sem);
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R_API RThreadLock *r_th_lock_new(bool recursive);
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R_API int r_th_lock_wait(RThreadLock *th);
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R_API int r_th_lock_tryenter(RThreadLock *thl);
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R_API int r_th_lock_enter(RThreadLock *thl);
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R_API int r_th_lock_leave(RThreadLock *thl);
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R_API void *r_th_lock_free(RThreadLock *thl);
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R_API RThreadCond *r_th_cond_new(void);
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R_API void r_th_cond_signal(RThreadCond *cond);
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R_API void r_th_cond_signal_all(RThreadCond *cond);
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R_API void r_th_cond_wait(RThreadCond *cond, RThreadLock *lock);
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R_API void r_th_cond_free(RThreadCond *cond);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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