45 lines
940 B
C
45 lines
940 B
C
#include <time.h>
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#if defined(_WIN32)
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#define __SLEEP_MS(n) Sleep(n)
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#elif defined(__APPLE__)
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static void __sleep_ms(int ms) {
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struct timespec ts = {
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.tv_sec = ms / 1000,
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.tv_nsec = 1000000L * (ms % 1000)
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};
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struct timespec rem;
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while (nanosleep(&ts, &rem) != 0) {
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ts = rem;
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}
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}
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#define __SLEEP_MS(n) __sleep_ms(n)
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#else
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static void __sleep_ms(int ms) {
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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ts.tv_nsec += 1000000L*((ms)%1000);
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ts.tv_sec += ms/1000;
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if (ts.tv_nsec >= 1000000000) {
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ts.tv_nsec -= 1000000000;
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++ts.tv_sec;
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}
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while (clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &ts, NULL) != 0);
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}
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#define __SLEEP_MS(n) __sleep_ms(n)
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#endif
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static volatile int** keep;
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static int calc_expr_after_delay(int* a, int b, int* c) {
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keep = malloc(1000000);
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keep[43242] = a;
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keep[86343] = c;
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a = NULL;
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c = NULL;
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__SLEEP_MS(200);
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int z = *keep[43242] * b + *keep[86343];
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free(keep);
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return z;
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}
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