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);
}