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don't export our private functions. fix crash protection build.

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4803 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris
2007-03-30 02:20:13 +00:00
parent 92d726b995
commit d292e9de4f
6 changed files with 74 additions and 71 deletions
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src/switch_core_state_machine.c
+62 -2
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@@ -213,6 +213,66 @@ static void switch_core_standard_on_hibernate(switch_core_session_t *session)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Standard HIBERNATE\n");
}
#ifdef CRASH_PROT
static switch_hash_t *stack_table;
#if defined (__GNUC__) && defined (LINUX)
#include <execinfo.h>
#include <stdio.h>
#include <stdlib.h>
#define STACK_LEN 10
/* Obtain a backtrace and print it to stdout. */
static void print_trace(void)
{
void *array[STACK_LEN];
size_t size;
char **strings;
size_t i;
size = backtrace(array, STACK_LEN);
strings = backtrace_symbols(array, size);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Obtained %zd stack frames.\n", size);
for (i = 0; i < size; i++) {
switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_CRIT, "%s\n", strings[i]);
}
free(strings);
}
#else
static void print_trace(void)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Trace not avaliable =(\n");
}
#endif
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 *) apr_hash_get(stack_table, &thread_id, sizeof(thread_id)))) {
print_trace();
longjmp(*env, sig);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Caught signal %d for unmapped thread!", sig);
abort();
}
}
#endif
void switch_core_state_machine_init(switch_memory_pool_t *pool)
{
(void)0;
#ifdef CRASH_PROT
switch_core_hash_init(&stack_table, pool);
#endif
}
SWITCH_DECLARE(void) switch_core_session_run(switch_core_session_t *session)
{
switch_channel_state_t state = CS_NEW, laststate = CS_HANGUP, midstate = CS_DONE, endstate;
@@ -241,7 +301,7 @@ 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 {
apr_hash_set(runtime.stack_table, &thread_id, sizeof(thread_id), &env);
apr_hash_set(stack_table, &thread_id, sizeof(thread_id), &env);
}
#endif
/*
@@ -596,7 +656,7 @@ SWITCH_DECLARE(void) switch_core_session_run(switch_core_session_t *session)
switch_mutex_unlock(session->mutex);
#ifdef CRASH_PROT
apr_hash_set(runtime.stack_table, &thread_id, sizeof(thread_id), NULL);
apr_hash_set(stack_table, &thread_id, sizeof(thread_id), NULL);
#endif
session->thread_running = 0;