if (code) {
context->begin = xbt_os_sem_init(0);
context->end = xbt_os_sem_init(0);
+ /* create and start the process */
+ /* NOTE: The first argument to xbt_os_thread_create used to be the process *
+ * name, but now the name is stored at SIMIX level, so we pass a null */
+ context->thread =
+ xbt_os_thread_create(NULL, smx_ctx_thread_wrapper, context, context);
- /* delay the thread creation until first run */
- context->thread = NULL;
+ /* wait the starting of the newly created process */
+ xbt_os_sem_acquire(context->end);
} else {
xbt_os_thread_set_extra_data(context);
{
smx_ctx_thread_t context = (smx_ctx_thread_t) pcontext;
- /* check if the context has a thread or not */
- /* if it doesn't, it is maestro's context or the context never run */
+ /* check if this is the context of maestro (it doesn't has a real thread) */
if (context->thread) {
/* wait about the thread terminason */
xbt_os_thread_join(context->thread, NULL);
- }
- /* destroy the synchronisation objects */
- if (context->begin)
+ /* destroy the synchronisation objects */
xbt_os_sem_destroy(context->begin);
-
- if (context->end)
xbt_os_sem_destroy(context->end);
+ }
smx_ctx_base_free(pcontext);
}
static void smx_ctx_thread_suspend(smx_context_t context)
{
- if (((smx_ctx_thread_t) context)->thread) {
- xbt_os_sem_release(((smx_ctx_thread_t) context)->end);
- xbt_os_sem_acquire(((smx_ctx_thread_t) context)->begin);
- }
+ xbt_os_sem_release(((smx_ctx_thread_t) context)->end);
+ xbt_os_sem_acquire(((smx_ctx_thread_t) context)->begin);
}
static void smx_ctx_thread_runall_serial(xbt_swag_t processes)
{
smx_process_t process;
while ((process = xbt_swag_extract(processes))) {
- /* if the context has no thread associated, create one for it (first run) */
- if (!(((smx_ctx_thread_t)process->context)->thread)) {
- ((smx_ctx_thread_t) process->context)->thread =
- xbt_os_thread_create(NULL, smx_ctx_thread_wrapper, process->context, process->context);
- xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
- }
xbt_os_sem_release(((smx_ctx_thread_t) process->context)->begin);
xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
}
static void smx_ctx_thread_runall_parallel(xbt_swag_t processes)
{
smx_process_t process, p_next;
- xbt_swag_foreach_safe(process, p_next, processes) {
- /* if the context has no thread associated, create one for it (first run) */
- if (!(((smx_ctx_thread_t) process->context)->thread)) {
- ((smx_ctx_thread_t)process->context)->thread =
- xbt_os_thread_create(NULL, smx_ctx_thread_wrapper, process->context, process->context);
- xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
- }
+ xbt_swag_foreach_safe(process, p_next, processes)
xbt_os_sem_release(((smx_ctx_thread_t) process->context)->begin);
- }
- while ((process = xbt_swag_extract(processes))) {
+ while ((process = xbt_swag_extract(processes)))
xbt_os_sem_acquire(((smx_ctx_thread_t) process->context)->end);
- }
}
static smx_context_t smx_ctx_thread_self(void)