20 lines
602 B
C
20 lines
602 B
C
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#include "helpers.h"
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#include <signal.h>
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#include <time.h>
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int set_signal_handler(int signo, void (*handler)(int)) {
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struct sigaction sa;
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sa.sa_handler = handler; // call `handler` on signal
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sigemptyset(&sa.sa_mask); // don't block other signals in handler
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sa.sa_flags = SA_RESTART; // restart system calls
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return sigaction(signo, &sa, NULL);
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}
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double tstamp(void) {
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struct timespec tv;
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clock_gettime(CLOCK_REALTIME, &tv);
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return tv.tv_sec + tv.tv_nsec * 1.0e-9;
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}
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