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cleanup process spawning, remove mutex lock and add session to listener only if reply state and session flag is set to waiting FS-3432

This commit is contained in:
Tamas Cseke 2012-05-24 14:55:29 +02:00
parent 85656c31af
commit 78641d4264
2 changed files with 7 additions and 13 deletions
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3
src/mod/event_handlers/mod_erlang_event/handle_msg.c
View File

@ -1149,9 +1149,6 @@ static switch_status_t handle_ref_tuple(listener_t *listener, erlang_msg * msg,
if (se->spawn_reply && !strncmp(se->spawn_reply->hash, hash, 100)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "found matching session for %s : %s\n", hash, se->uuid_str);
switch_mutex_lock(se->spawn_reply->mutex);
if (se->spawn_reply->state == reply_not_ready) {
switch_thread_cond_wait(se->spawn_reply->ready_or_found, se->spawn_reply->mutex);
}
if (se->spawn_reply->state == reply_waiting) {
se->spawn_reply->pid = pid;

17
src/mod/event_handlers/mod_erlang_event/mod_erlang_event.c
View File

@ -1366,30 +1366,28 @@ session_elem_t *attach_call_to_spawned_process(listener_t *listener, char *modul
/* create a session list element */
session_elem_t *session_element = session_elem_create(listener, session);
char hash[100];
//void *p = NULL;
spawn_reply_t *p;
erlang_ref ref;
switch_set_flag_locked(session_element, LFLAG_WAITING_FOR_PID);
/* attach the session to the listener */
add_session_elem_to_listener(listener, session_element);
ei_init_ref(listener->ec, &ref);
ei_hash_ref(&ref, hash);
/* insert the waiting marker */
p = switch_core_alloc(session_element->pool, sizeof(*p));
switch_thread_cond_create(&p->ready_or_found, session_element->pool);
switch_mutex_init(&p->mutex, SWITCH_MUTEX_UNNESTED, session_element->pool);
p->state = reply_not_ready;
p->state = reply_waiting;
p->hash = hash;
p->pid = NULL;
session_element->spawn_reply = p;
switch_mutex_lock(p->mutex);
p->state = reply_waiting;
/* insert the waiting marker */
switch_set_flag(session_element, LFLAG_WAITING_FOR_PID);
/* attach the session to the listener */
add_session_elem_to_listener(listener, session_element);
if (!strcmp(function, "!")) {
/* send a message to request a pid */
@ -1434,7 +1432,6 @@ session_elem_t *attach_call_to_spawned_process(listener_t *listener, char *modul
memcpy(&session_element->process.pid, p->pid, sizeof(erlang_pid));
session_element->spawn_reply = NULL;
switch_clear_flag_locked(session_element, LFLAG_OUTBOUND_INIT);
switch_clear_flag_locked(session_element, LFLAG_WAITING_FOR_PID);
ei_link(listener, ei_self(listener->ec), &session_element->process.pid);