int orte_wait_event(opal_event_t **event, orte_trigger_event_t *trig,
char *trigger_name,
void (*cbfunc)(int, short, void*))
{
int p[2];
if (create_socketpair(AF_UNIX, SOCK_STREAM, 0, p) == -1) {
return ORTE_ERROR;
}
/* save the trigger name */
trig->name = strdup(trigger_name);
/* create the event */
*event = (opal_event_t *) malloc(sizeof(opal_event_t));
/* setup the trigger and its associated lock */
OBJ_CONSTRUCT(trig, orte_trigger_event_t);
/* pass back the write end of the pipe */
trig->channel = p[1];
/* define the event to fire when someone writes to the pipe */
opal_event_set(opal_event_base, *event, p[0], OPAL_EV_READ, cbfunc, NULL);
/* Add it to the active events, without a timeout */
opal_event_add(*event, NULL);
/* all done */
return ORTE_SUCCESS;
}
static int create_system_server (void)
{
pid_t pid;
char c;
create_socketpair ();
if ((pid = fork ()) < 0)
return (-1);
if (pid == 0) {
system_server ();
exit (0);
}
close (server_fd);
/*
* Wait for system_server setup to complete
*/
read (client_fd, &c, 1);
return (0);
}
static void
setup(OutputTestFixture *fixture,
const void *data,
TaskScenario task_scenario,
gboolean with_chain)
{
if (with_chain) {
fixture->stream_descs = &various_stream_descs[0];
fixture->n_stream_descs = G_N_ELEMENTS(various_stream_descs);
} else {
fixture->stream_descs = data;
fixture->n_stream_descs = 1;
}
fixture->loop =
g_main_loop_new(NULL, FALSE);
fixture->runner =
g_object_new(HRT_TYPE_TASK_RUNNER,
"event-loop-type", HRT_EVENT_LOOP_EV,
NULL);
g_signal_connect(G_OBJECT(fixture->runner),
"tasks-completed",
G_CALLBACK(on_tasks_completed),
fixture);
switch (task_scenario) {
case TASK_SCENARIO_ALL_ONE: {
HrtTask *task;
int i;
fixture->tasks_started_count = 1;
task = hrt_task_runner_create_task(fixture->runner);
for (i = 0; i < N_STREAMS_IN_CHAIN; ++i) {
fixture->write_tasks[i] = g_object_ref(task);
fixture->stream_tasks[i] = g_object_ref(task);
}
if (with_chain) {
fixture->chain_task = task;
} else {
g_object_unref(task);
}
}
break;
case TASK_SCENARIO_THREE: {
HrtTask *task;
int i;
/* with no chain there's no chain task so really two ;-) */
if (with_chain) {
task = hrt_task_runner_create_task(fixture->runner);
fixture->chain_task = task;
fixture->tasks_started_count = 3;
} else {
fixture->tasks_started_count = 2;
}
task = hrt_task_runner_create_task(fixture->runner);
for (i = 0; i < N_STREAMS_IN_CHAIN; ++i) {
fixture->write_tasks[i] = g_object_ref(task);
}
g_object_unref(task);
task = hrt_task_runner_create_task(fixture->runner);
for (i = 0; i < N_STREAMS_IN_CHAIN; ++i) {
fixture->stream_tasks[i] = g_object_ref(task);
}
g_object_unref(task);
}
break;
case TASK_SCENARIO_ALL_DISTINCT: {
int i;
if (with_chain) {
HrtTask *task;
task = hrt_task_runner_create_task(fixture->runner);
fixture->chain_task = task;
fixture->tasks_started_count = 1 + N_STREAMS_IN_CHAIN * 2;
} else {
fixture->tasks_started_count = N_STREAMS_IN_CHAIN * 2;
}
for (i = 0; i < N_STREAMS_IN_CHAIN; ++i) {
fixture->write_tasks[i] = hrt_task_runner_create_task(fixture->runner);
fixture->stream_tasks[i] = hrt_task_runner_create_task(fixture->runner);
}
}
break;
}
if (with_chain) {
fixture->chain = hio_output_chain_new(fixture->chain_task);
}
create_socketpair(&fixture->read_fd,
&fixture->write_fd);
}