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Be pedantic about handling memory allocation failure.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@85649 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-10-15 19:22:45 +00:00
parent 9c47228dff
commit 02bb2bcbaa
1 changed files with 14 additions and 1 deletions
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15
main/utils.c
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@@ -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);