|
#include <unistd.h>
|
|
#include <sys/time.h>
|
|
#include "syscall.h"
|
|
|
|
unsigned alarm(unsigned seconds)
|
|
{
|
|
struct itimerval it = { .it_value.tv_sec = seconds }, old = { 0 };
|
|
setitimer(ITIMER_REAL, &it, &old);
|
|
return old.it_value.tv_sec + !!old.it_value.tv_usec;
|
|
}
|