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@@ -0,0 +1,19 @@
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+#define _GNU_SOURCE
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+#include <time.h>
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+#include <sys/time.h>
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+#include <sys/types.h>
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+#include <unistd.h>
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+
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+useconds_t ualarm(useconds_t value, useconds_t interval)
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+{
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+ struct itimerval otimer;
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+ const struct itimerval itimer = {
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+ { 0, interval },
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+ { 0, value}
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+ };
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+
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+ if (setitimer(ITIMER_REAL, &itimer, &otimer) < 0) {
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+ return -1;
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+ }
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+ return((otimer.it_value.tv_sec * 1000000) + otimer.it_value.tv_usec);
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+}
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