/* This is the simulation implementation, using simix. */
-/* Copyright (c) 2007-2014. The SimGrid Team.
+/* Copyright (c) 2007-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
res->code = code;
res->father_data = SIMIX_process_self_get_data(SIMIX_process_self());
/* char*name = bprintf("%s#%p",SIMIX_process_self_get_name(), param); */
- simcall_process_create(&res->s_process, name,
+ res->s_process = simcall_process_create(name,
xbt_thread_create_wrapper, res,
SIMIX_host_self_get_name(), -1.0, 0, NULL,
/*props */ NULL,0);
simcall_mutex_lock((smx_mutex_t) mutex);
}
+int xbt_mutex_try_acquire(xbt_mutex_t mutex)
+{
+ return simcall_mutex_trylock((smx_mutex_t) mutex);
+}
+
void xbt_mutex_release(xbt_mutex_t mutex)
{
simcall_mutex_unlock((smx_mutex_t) mutex);
{
simcall_cond_destroy((smx_cond_t) cond);
}
+
+/***** barrier related functions *****/
+typedef struct s_xbt_bar_ {
+ xbt_mutex_t mutex;
+ xbt_cond_t cond;
+ unsigned int arrived_processes;
+ unsigned int expected_processes;
+} s_xbt_bar_;
+
+xbt_bar_t xbt_barrier_init(unsigned int count)
+{
+ xbt_bar_t bar = xbt_new0(s_xbt_bar_, 1);
+ bar->expected_processes = count;
+ bar->arrived_processes = 0;
+ bar->mutex = xbt_mutex_init();
+ bar->cond = xbt_cond_init();
+ return bar;
+}
+
+
+int xbt_barrier_wait(xbt_bar_t bar)
+{
+ int ret=0;
+ xbt_mutex_acquire(bar->mutex);
+ if (++bar->arrived_processes == bar->expected_processes) {
+ xbt_cond_broadcast(bar->cond);
+ xbt_mutex_release(bar->mutex);
+ ret=XBT_BARRIER_SERIAL_PROCESS;
+ bar->arrived_processes = 0;
+ } else {
+ xbt_cond_wait(bar->cond, bar->mutex);
+ xbt_mutex_release(bar->mutex);
+ }
+
+ return ret;
+}
+
+void xbt_barrier_destroy(xbt_bar_t bar)
+{
+ xbt_mutex_destroy(bar->mutex);
+ xbt_cond_destroy(bar->cond);
+ xbt_free(bar);
+}
+