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libposix: fix usleep

This commit is contained in:
Giacomo Tesio 2017-05-09 00:48:18 +02:00
parent aa4172a1de
commit 46664994d4
1 changed files with 7 additions and 2 deletions
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9
sys/src/lib/posix/others.c
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@ -49,9 +49,14 @@ POSIX_sleep(unsigned int seconds)
}
unsigned int
POSIX_usleep(unsigned int useconds)
POSIX_usleep(int *errnop, unsigned int usec)
{
sleep((microseconds+1000)/1000);
if(usec >= 1000000){
*errnop = __libposix_get_errno(PosixEINVAL);
return -1;
}
unsigned int ms = usec == 0 ? 0 : (usec+1000)/1000;
sleep(ms);
return 0;
}