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Apply work-around for BETTER_BACKTRACES crash 

When compiling with BETTER_BACKTRACES enabled, Asterisk will sometimes
crash when "core show locks" is run. This happens regularly in the
testsuite since several tests run "core show locks" to help with
debugging. This seems to be a fault with libraries on certain operating
systems (notably CentOS 6.2/6.3) running on virtual machines and
utilizing gcc 4.4.6.

(issue ASTERISK-20090)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@371535 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore 2012-08-20 14:45:07 +00:00
parent f737698654
commit ca314fe1e2
1 changed files with 4 additions and 2 deletions
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6
main/utils.c
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@ -788,16 +788,18 @@ static const char *locktype2str(enum ast_lock_type type)
static void append_backtrace_information(struct ast_str **str, struct ast_bt *bt)
{
char **symbols;
int num_frames;
if (!bt) {
ast_str_append(str, 0, "\tNo backtrace to print\n");
return;
}
if ((symbols = ast_bt_get_symbols(bt->addresses, bt->num_frames))) {
num_symbols = bt->num_frames;
if ((symbols = ast_bt_get_symbols(bt->addresses, num_frames))) {
int frame_iterator;
for (frame_iterator = 0; frame_iterator < bt->num_frames; ++frame_iterator) {
for (frame_iterator = 0; frame_iterator < num_frames; ++frame_iterator) {
ast_str_append(str, 0, "\t%s\n", symbols[frame_iterator]);
}