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add mutex to crash prot

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11021 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-12-31 16:06:49 +00:00
parent f5069d7ab3
commit 748c1dc126
1 changed files with 14 additions and 4 deletions
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18
src/switch_core_state_machine.c
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@ -206,6 +206,7 @@ static void switch_core_standard_on_hibernate(switch_core_session_t *session)
//static switch_hash_t *stack_table = NULL;
static Hash stack_table;
static switch_mutex_t *stack_mutex = NULL;
#if defined (__GNUC__) && defined (LINUX) && defined (HAVE_EXECINFO_H)
#include <execinfo.h>
@ -244,9 +245,14 @@ static void handle_fatality(int sig)
switch_thread_id_t thread_id;
jmp_buf *env;
if (sig && (thread_id = switch_thread_self())
&& (env = (jmp_buf *) sqlite3HashFind(&stack_table, &thread_id, sizeof(thread_id)))) {
//&& (env = (jmp_buf *) switch_core_hash_find(stack_table, (char *)&thread_id, sizeof(thread_id)))) {
if (!sig) return;
thread_id = switch_thread_self();
switch_mutex_lock(stack_mutex);
env = (jmp_buf *) sqlite3HashFind(&stack_table, &thread_id, sizeof(thread_id));
switch_mutex_unlock(stack_mutex);
if (thread_id && env) {
print_trace();
longjmp(*env, sig);
} else {
@ -259,7 +265,10 @@ void switch_core_state_machine_init(switch_memory_pool_t *pool)
{
if (switch_test_flag((&runtime), SCF_CRASH_PROT)) {
switch_mutex_init(&stack_mutex, SWITCH_MUTEX_NESTED, pool);
switch_mutex_lock(stack_mutex);
sqlite3HashInit(&stack_table, SQLITE_HASH_BINARY, 0);
switch_mutex_unlock(stack_mutex);
}
}
@ -328,8 +337,9 @@ SWITCH_DECLARE(void) switch_core_session_run(switch_core_session_t *session)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Thread has crashed for channel %s\n", switch_channel_get_name(session->channel));
switch_channel_hangup(session->channel, SWITCH_CAUSE_CRASH);
} else {
switch_mutex_lock(stack_mutex);
sqlite3HashInsert(&stack_table, &thread_id, sizeof(thread_id), (void *) &env);
//apr_hash_set(stack_table, &thread_id, sizeof(thread_id), &env);
switch_mutex_unlock(stack_mutex);
}
}