| /* Example of a bad call within a signal handler with replacement |
| alternative. 'handler' calls 'exit', and 'exit' is not allowed |
| from a signal handler. But '_exit' is allowed. */ |
| /* { dg-require-effective-target signal } */ |
| |
| #include <signal.h> |
| #include <stdlib.h> |
| |
| extern void body_of_program(void); |
| |
| static void handler(int signum) |
| { |
| exit(1); /* { dg-warning "call to 'exit' from within signal handler" "warning" } */ |
| /* { dg-message "note: '_exit' is a possible signal-safe alternative for 'exit'" "replacement note" { target *-*-* } .-1 } */ |
| } |
| |
| int main(int argc, const char *argv) |
| { |
| signal(SIGINT, handler); /* { dg-message "registering 'handler' as signal handler" } */ |
| |
| body_of_program(); |
| |
| return 0; |
| } |
