void PrintSigno(int signo)
{
static int i = 0;
printf("\n\n=========>>>catch signal %d (%s) i = %d <<<=========",
signo, (char *)strsignal(signo), i++);
printf("\nDump stack start...");
DumpBacktrace();
printf("\nDump stack end...");
}
void RegSignal()
{
signal(SIGINT, SignalHander);
signal(SIGSEGV, SignalHander);
signal(SIGUSR1, SignalHander);
printf("\nCurrent function calls list is: ");
printf("\n----------------------------------");
DumpBacktrace();
printf("\n----------------------------------\n");
}
void SignalHander(int signo)
{
printf("\n\n=========>>>catch signal %d (%s) <<<=========",
signo, (char *)strsignal(signo));
printf("\nDump stack start...");
DumpBacktrace();
printf("\nDump stack end...");
/* 恢复并发送信号 */
signal(signo, SIG_DFL);
raise(signo);
}
void Abort() {
DumpBacktrace(stderr);
fflush(stderr);
ABORT_NO_BACKTRACE();
}
void demo(int n) { return n == 0 ? DumpBacktrace(0) : demo(n - 1); }
