backtrace-----打印进程异常退出时的堆栈信息

#include <execinfo.h>

#include "debug_trace.h"

#define TRACE_SIZE 1024

static void trace_print(int signal_type)
{
int trace_id = -1;

void *buffer[100];
char **info = NULL;

trace_id = backtrace(buffer, TRACE_SIZE);

info = backtrace_symbols(buffer, trace_id);
if (NULL == info)
{
return;
}

int i = 0;
char trace_buff[TRACE_SIZE];

for (i = 0; i < trace_id; i++)
{
sprintf(trace_buff, "echo %s >> ./trace_info_%d.txt", info[i], signal_type);
system(trace_buff);
}
sprintf(trace_buff, "echo \"###################################\" >> ./trace_info_%d.txt", signal_type);
system(trace_buff);
}

static void signal_hadle_fun(int signal_type)
{

switch(signal_type)
{
case SIGHUP:
case SIGINT:
case SIGQUIT:
case SIGILL:
case SIGTRAP:

case SIGABRT:
case SIGBUS:
case SIGFPE:
case SIGKILL:
case SIGSEGV:

case SIGPIPE:
case SIGTERM:
trace_print(signal_type);
exit(0);
break;
}
}

void debug_trace_init(void)
{
signal(SIGHUP, signal_hadle_fun);
signal(SIGINT, signal_hadle_fun);
signal(SIGQUIT, signal_hadle_fun);
signal(SIGILL, signal_hadle_fun);
signal(SIGTRAP, signal_hadle_fun);

signal(SIGABRT, signal_hadle_fun);
signal(SIGBUS, signal_hadle_fun);
signal(SIGFPE, signal_hadle_fun);
signal(SIGKILL, signal_hadle_fun);
signal(SIGSEGV, signal_hadle_fun);

signal(SIGPIPE, signal_hadle_fun);
signal(SIGTERM, signal_hadle_fun);
}