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