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Break loop if error != EINTR occurse or it can take forever with

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time_remaining unchanged
This commit is contained in:
ache 1997-08-14 06:23:48 +00:00
parent c852b1e121
commit 6ee68884c1
1 changed files with 5 additions and 2 deletions
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7
lib/libc/gen/usleep.c
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@ -35,6 +35,7 @@
static char sccsid[] = "@(#)usleep.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <errno.h>
#include <sys/time.h>
#include <signal.h>
#include <unistd.h>
@ -68,7 +69,8 @@ usleep(useconds)
do {
(void)nanosleep(&time_to_sleep, &time_remaining);
time_to_sleep = time_remaining;
} while (time_to_sleep.tv_sec != 0 ||
} while (!errno || errno == EINTR ||
time_to_sleep.tv_sec != 0 ||
time_to_sleep.tv_nsec != 0);
}
#else
@ -120,7 +122,8 @@ usleep(useconds)
&omask);
time_to_sleep = time_remaining;
} while (!alarm_termination &&
(time_to_sleep.tv_sec != 0 ||
(!errno || errno == EINTR ||
time_to_sleep.tv_sec != 0 ||
time_to_sleep.tv_nsec != 0));
if (!alarm_blocked) {