X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3bfda9681b17c62ff51a715882d40ef3091cdbb4..a98aed7c91100cfe4414ec3fd23ae6f216710f24:/src/xbt/xbt_thread.c diff --git a/src/xbt/xbt_thread.c b/src/xbt/xbt_thread.c index 024e50fc1c..7936071e5b 100644 --- a/src/xbt/xbt_thread.c +++ b/src/xbt/xbt_thread.c @@ -22,6 +22,8 @@ typedef struct xbt_thread_ { pthread_t t; + void *param; + pvoid_f_pvoid_t *start_routine; } s_xbt_thread_t ; /* thread-specific data containing the xbt_thread_t structure */ @@ -35,7 +37,7 @@ static void xbt_thread_free_thread_data(void*d){ void xbt_thread_mod_init(void) { int errcode; - if ((errcode=pthread_key_create(&xbt_self_thread_key, &xbt_thread_free_thread_data))) + if ((errcode=pthread_key_create(&xbt_self_thread_key, NULL))) THROW0(system_error,errcode,"pthread_key_create failed for xbt_self_thread_key"); } void xbt_thread_mod_exit(void) { @@ -46,23 +48,43 @@ void xbt_thread_mod_exit(void) { // THROW0(system_error,errcode,"pthread_key_delete failed for xbt_self_thread_key"); } +static void * wrapper_start_routine(void *s) { + xbt_thread_t t = s; + int errcode; + + if ((errcode=pthread_setspecific(xbt_self_thread_key,t))) + THROW0(system_error,errcode,"pthread_setspecific failed for xbt_self_thread_key"); + return t->start_routine(t->param); +} xbt_thread_t xbt_thread_create(pvoid_f_pvoid_t start_routine, void* param) { - xbt_thread_t res = xbt_new(s_xbt_thread_t,1); int errcode; - if ((errcode=pthread_setspecific(xbt_self_thread_key,res))) - THROW0(system_error,errcode,"pthread_setspecific failed for xbt_self_thread_key"); - - if ((errcode = pthread_create(&(res->t), NULL, start_routine, param))) - THROW0(system_error,errcode, "pthread_create failed"); + xbt_thread_t res_thread=xbt_new(s_xbt_thread_t,1); + res_thread->start_routine = start_routine; + res_thread->param = param; + - return res; + if ((errcode = pthread_create(&(res_thread->t), NULL, wrapper_start_routine, res_thread))) + THROW0(system_error,errcode, "pthread_create failed"); + + return res_thread; +} + +void +xbt_thread_join(xbt_thread_t thread,void ** thread_return) { + + int errcode; + + if ((errcode = pthread_join(thread->t,thread_return))) + THROW0(system_error,errcode, "pthread_join failed"); } + void xbt_thread_exit(int *retval) { pthread_exit(retval); } + xbt_thread_t xbt_thread_self(void) { return pthread_getspecific(xbt_self_thread_key); } @@ -156,8 +178,10 @@ void xbt_thcond_destroy(xbt_thcond_t cond){ #elif defined(WIN32) typedef struct xbt_thread_ { - HANDLE handle; /* the win thread handle */ - unsigned long id; /* the win thread id */ + HANDLE handle; /* the win thread handle */ + unsigned long id; /* the win thread id */ + pvoid_f_pvoid_t *start_routine; + void* param; } s_xbt_thread_t ; /* key to the TLS containing the xbt_thread_t structure */ @@ -167,38 +191,61 @@ void xbt_thread_mod_init(void) { xbt_self_thread_key = TlsAlloc(); } void xbt_thread_mod_exit(void) { - int errcode; - if (!(errcode = TlsFree(xbt_self_thread_key))) - THROW0(system_error,errcode,"TlsFree() failed to cleanup the thread submodule"); + + if (!TlsFree(xbt_self_thread_key)) + THROW0(system_error,(int)GetLastError(),"TlsFree() failed to cleanup the thread submodule"); } +static DWORD WINAPI wrapper_start_routine(void *s) { + xbt_thread_t t = (xbt_thread_t)s; + + if(!TlsSetValue(xbt_self_thread_key,t)) + THROW0(system_error,(int)GetLastError(),"TlsSetValue of data describing the created thread failed"); + + return (DWORD)t->start_routine(t->param); +} + + xbt_thread_t xbt_thread_create(pvoid_f_pvoid_t start_routine, void* param) { - xbt_thread_t res = xbt_new(s_xbt_thread_t,1); + xbt_thread_t t = xbt_new(s_xbt_thread_t,1); + + t->start_routine = start_routine ; + t->param = param; - res->handle = CreateThread(NULL,0, - (LPTHREAD_START_ROUTINE)start_routine, - param,0,& res->id); + t->handle = CreateThread(NULL,0, + (LPTHREAD_START_ROUTINE)wrapper_start_routine, + t,0,&(t->id)); - if(!res->handle) { - xbt_free(res); - THROW0(system_error,0,"CreateThread failed"); + if(!t->handle) { + xbt_free(t); + THROW0(system_error,(int)GetLastError(),"CreateThread failed"); } - if(!TlsSetValue(xbt_self_thread_key,res)) - THROW0(system_error,0,"TlsSetValue of data describing the created thread failed"); - - return res; + return t; +} + +void +xbt_thread_join(xbt_thread_t thread,void ** thread_return) { + + if(WAIT_OBJECT_0 != WaitForSingleObject(thread->handle,INFINITE)) + THROW0(system_error,(int)GetLastError(), "WaitForSingleObject failed"); + + if(thread_return){ + + if(!GetExitCodeThread(thread->handle,(DWORD*)(*thread_return))) + THROW0(system_error,(int)GetLastError(), "GetExitCodeThread failed"); + } + + CloseHandle(thread->handle); } void xbt_thread_exit(int *retval) { - xbt_thread_t self = xbt_thread_self(); - - CloseHandle(self->handle); - free(self); - - ExitThread(*retval); + if(retval) + ExitThread(*retval); + else + ExitThread(0); } xbt_thread_t xbt_thread_self(void) {