| #define _GNU_SOURCE | |
| #include <unistd.h> | |
| #include <sys/time.h> | |
| unsigned ualarm(unsigned value, unsigned interval) | |
| { | |
| struct itimerval it = { | |
| .it_interval.tv_usec = interval, | |
| .it_value.tv_usec = value | |
| }; | |
| setitimer(ITIMER_REAL, &it, &it); | |
| return it.it_value.tv_sec*1000000 + it.it_value.tv_usec; | |
| } |