X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/20bce0939a53dd9bb3c6ea68107e9529372db19b..edde8f7fbc1b74a81551bf9eb7bac1935b999296:/src/simix/smx_smurf.c diff --git a/src/simix/smx_smurf.c b/src/simix/smx_smurf.c index 840166ae69..f19303242c 100644 --- a/src/simix/smx_smurf.c +++ b/src/simix/smx_smurf.c @@ -5,88 +5,33 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_smurf, simix, "Logging specific to SIMIX (SMURF)"); -/* Tables with the requests to handle at the end of this round of scheduling - * user processes. There is one for each thread of execution. */ -static xbt_swag_t *req_lists; - -void SIMIX_request_init(void) +XBT_INLINE smx_req_t SIMIX_req_mine() { - s_smx_req_t req; - int i, nthreads = SIMIX_context_get_nthreads(); - - req_lists = xbt_new0(xbt_swag_t, nthreads); - for(i=0; i < nthreads; i++) - req_lists[i] = xbt_swag_new(xbt_swag_offset(req, reqtable_hookup)); - -} - -void SIMIX_request_destroy(void) -{ - int i, nthreads = SIMIX_context_get_nthreads(); - - for(i=0; i < nthreads; i++) - xbt_swag_free(req_lists[i]); - - xbt_free(req_lists); -} - -xbt_swag_t SIMIX_request_get_reqlist(int thread_pid) -{ - return req_lists[thread_pid]; -} - -/* FIXME: we may want to save the initialization of issuer... */ -XBT_INLINE smx_req_t SIMIX_req_mine() { smx_process_t issuer = SIMIX_process_self(); return &issuer->request; } -void SIMIX_request_push() +/** + * \brief Makes the current process do a request to the kernel and yields + * until completion. + * \param self the current process + */ +void SIMIX_request_push(smx_process_t self) { - xbt_swag_t req_table; - smx_process_t issuer = SIMIX_process_self(); - - if (issuer != simix_global->maestro_process){ - issuer->request.issuer = issuer; - req_table = SIMIX_request_get_reqlist(SIMIX_context_get_thread_id()); - - xbt_swag_insert_at_tail(&issuer->request, req_table); - - XBT_DEBUG("Pushed request %s (%d) of %s", - SIMIX_request_name(issuer->request.call), issuer->request.call, - issuer->name); - - XBT_DEBUG("Yield process '%s' on request of type %s (%d)", issuer->name, - SIMIX_request_name(issuer->request.call), issuer->request.call); - SIMIX_process_yield(); + if (self != simix_global->maestro_process) { + XBT_DEBUG("Yield process '%s' on request of type %s (%d)", self->name, + SIMIX_request_name(self->request.call), self->request.call); + SIMIX_process_yield(self); } else { - SIMIX_request_pre(&issuer->request, 0); - } -} - -smx_req_t SIMIX_request_pop(void) -{ - int i; - smx_req_t req = NULL; - int nthreads = SIMIX_context_get_nthreads(); - - for(i=0; i < nthreads; i++){ - if((req = xbt_swag_extract(req_lists[i]))){ - XBT_DEBUG("Popped request %s (%d) of %s", - SIMIX_request_name(req->issuer->request.call), - req->issuer->request.call, - req->issuer->name); - return req; - } + SIMIX_request_pre(&self->request, 0); } - - return NULL; } void SIMIX_request_answer(smx_req_t req) { if (req->issuer != simix_global->maestro_process){ - XBT_DEBUG("Answer request %s (%d)", SIMIX_request_name(req->call), req->call); + XBT_DEBUG("Answer request %s (%d) issued by %s (%p)", SIMIX_request_name(req->call), req->call, + req->issuer->name, req->issuer); req->issuer->request.call = REQ_NO_REQ; xbt_dynar_push_as(simix_global->process_to_run, smx_process_t, req->issuer); } @@ -539,6 +484,7 @@ void SIMIX_request_pre(smx_req_t req, int value) SIMIX_host_get_name(SIMIX_process_get_host(req->issuer)) ); break; + } }