在x86 (64位或32位) Linux上--例如:
void signal_handler(int) {
// want to know where the program is interrupted ...
}
int main() {
...
signal(SIGALRM, signal_handler);
alarm(5);
...
printf(...); <------- at this point, we trigger signal_handler
...
}
在signal_handler中,我们如何知道在mai