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24 lines
408 B
C
24 lines
408 B
C
/* libc/posix/sleep.c - sleep function */
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/* Written 2000 by Werner Almesberger */
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#ifdef HAVE_NANOSLEEP
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#include <errno.h>
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#include <time.h>
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#include <unistd.h>
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#include <limits.h>
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unsigned sleep(unsigned seconds)
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{
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struct timespec ts;
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ts.tv_sec = seconds;
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ts.tv_nsec = 0;
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if (!nanosleep(&ts,&ts)) return 0;
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if (errno == EINTR) return ts.tv_sec & UINT_MAX;
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return -1;
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}
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#endif
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