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Last change
on this file was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
438 bytes
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| 1 | /* libc/sys/linux/usleep.c - usleep function */ |
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| 2 | |
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| 3 | /* Written 2002 by Jeff Johnston */ |
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| 4 | |
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| 5 | |
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| 6 | #include <errno.h> |
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| 7 | #include <sys/types.h> |
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| 8 | #include <sys/time.h> |
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| 9 | #include <linux/times.h> |
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| 10 | |
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| 11 | int usleep(__useconds_t useconds) |
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| 12 | { |
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| 13 | struct timespec ts; |
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| 14 | |
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| 15 | ts.tv_sec = (long int)useconds / 1000000; |
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| 16 | ts.tv_nsec = ((long int)useconds % 1000000) * 1000; |
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| 17 | if (!nanosleep(&ts,&ts)) return 0; |
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| 18 | if (errno == EINTR) return ts.tv_sec; |
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| 19 | return -1; |
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| 20 | } |
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