diff options
-rw-r--r-- | main/utils.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/main/utils.c b/main/utils.c index 8c2c568f1..c4abd0f37 100644 --- a/main/utils.c +++ b/main/utils.c @@ -720,13 +720,16 @@ static int handle_show_locks(int fd, int argc, char *argv[]) "=== <file> <line num> <function> <lock name> <lock addr> (times locked)\n" "===\n"); + if (!str) + return RESULT_FAILURE; + pthread_mutex_lock(&lock_infos_lock.mutex); AST_LIST_TRAVERSE(&lock_infos, lock_info, entry) { int i; ast_dynamic_str_append(&str, 0, "=== Thread ID: %u (%s)\n", (int) lock_info->thread_id, lock_info->thread_name); pthread_mutex_lock(&lock_info->lock); - for (i = 0; i < lock_info->num_locks; i++) { + for (i = 0; str && i < lock_info->num_locks; i++) { ast_dynamic_str_append(&str, 0, "=== ---> %sLock #%d (%s): %s %d %s %s %p (%d)\n", lock_info->locks[i].pending > 0 ? "Waiting for " : lock_info->locks[i].pending < 0 ? "Tried and failed to get " : "", i, @@ -738,14 +741,24 @@ static int handle_show_locks(int fd, int argc, char *argv[]) lock_info->locks[i].times_locked); } pthread_mutex_unlock(&lock_info->lock); + if (!str) + break; ast_dynamic_str_append(&str, 0, "=== -------------------------------------------------------------------\n" "===\n"); + if (!str) + break; } pthread_mutex_unlock(&lock_infos_lock.mutex); + if (!str) + return RESULT_FAILURE; + ast_dynamic_str_append(&str, 0, "=======================================================================\n" "\n"); + if (!str) + return RESULT_FAILURE; + ast_cli(fd, "%s", str->str); free(str); |