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129 lines
2.3 KiB
C
129 lines
2.3 KiB
C
/* radare - LGPL - Copyright 2009-2012 - pancake */
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#include <r_th.h>
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static void *_r_th_launcher(void *_th) {
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int ret;
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struct r_th_t *th = _th;
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th->ready = R_TRUE;
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#if __UNIX__
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if (th->delay>0) sleep(th->delay);
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else if (th->delay<0) r_th_lock_wait(th->lock);
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#else
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if (th->delay<0) r_th_lock_wait(th->lock);
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#endif
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do {
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r_th_lock_leave(th->lock);
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th->running = R_TRUE;
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ret = th->fun(th);
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th->running = R_FALSE;
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r_th_lock_enter(th->lock);
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} while(ret);
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#if HAVE_PTHREAD
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pthread_exit(&ret);
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#endif
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return 0;
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}
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R_API int r_th_push_task(struct r_th_t *th, void *user) {
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int ret = R_TRUE;
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th->user = user;
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r_th_lock_leave(th->lock);
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return ret;
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}
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R_API struct r_th_t *r_th_new(R_TH_FUNCTION(fun), void *user, int delay) {
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RThread *th = R_NEW0 (RThread);
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if (th) {
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th->lock = r_th_lock_new();
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th->running = R_FALSE;
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th->fun = fun;
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th->user = user;
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th->delay = delay;
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th->breaked = R_FALSE;
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th->ready = R_FALSE;
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#if HAVE_PTHREAD
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pthread_create(&th->tid, NULL, _r_th_launcher, th);
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#elif __WIN32__ || __WINDOWS__ && !defined(__CYGWIN__)
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th->tid = CreateThread(NULL, 0, _r_th_launcher, th, 0, &th->tid);
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#endif
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}
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return th;
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}
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R_API void r_th_break(struct r_th_t *th) {
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th->breaked = R_TRUE;
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}
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R_API int r_th_kill(struct r_th_t *th, int force) {
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th->breaked = R_TRUE;
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r_th_break(th);
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r_th_wait(th);
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#if HAVE_PTHREAD
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#ifdef __ANDROID__
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pthread_kill (th->tid, 9);
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#else
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pthread_cancel (th->tid);
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#endif
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#endif
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return 0;
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}
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R_API int r_th_start(struct r_th_t *th, int enable) {
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int ret = R_TRUE;
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if (enable) {
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if (!th->running) {
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// start thread
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while (!th->ready);
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r_th_lock_leave (th->lock);
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}
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} else {
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if (th->running) {
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// stop thread
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r_th_kill (th, 0);
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r_th_lock_enter (th->lock); // deadlock?
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}
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}
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th->running = enable;
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return ret;
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}
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R_API int r_th_wait(struct r_th_t *th) {
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int ret = R_FALSE;
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#if HAVE_PTHREAD
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void *thret;
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if (th) {
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ret = pthread_join (th->tid, &thret);
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th->running = R_FALSE;
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}
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#endif
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return ret;
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}
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R_API int r_th_wait_async(struct r_th_t *th) {
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return th->running;
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}
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R_API void *r_th_free(struct r_th_t *th) {
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r_th_kill (th, R_TRUE);
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r_th_lock_free (th->lock);
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free (th);
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return NULL;
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}
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#if 0
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// Thread Pipes
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typedef struct r_th_pipe_t {
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RList *msglist;
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RThread *th;
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//RThreadLock *lock;
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} RThreadPipe;
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r_th_pipe_new();
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#endif
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