+2000-11-22 Ulrich Drepper <drepper@redhat.com>
+
+ * rt/aio_suspend.c (aio_suspend): Convert timeout value to
+ absolute time for pthread_cond_timedwait call.
+ Reported by Lawrence Chen <lchen@opentext.com> [libc/1930].
+
+ * rt/Makefile (tests): Add tst-aio6.
+ * rt/tst-aio6.c: New file.
+
2000-11-23 Andreas Jaeger <aj@suse.de>
* sysdeps/s390/bits/string.h (strncat): Fix one more typo.
/* Suspend until termination of a requests.
- Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
/* We use an UGLY hack to prevent gcc from finding us cheating. The
- implementation of aio_suspend and aio_suspend64 are identical and so
+ implementations of aio_suspend and aio_suspend64 are identical and so
we want to avoid code duplication by using aliases. But gcc sees
the different parameter lists and prints a warning. We define here
a function so that aio_suspend64 has no prototype. */
#include <errno.h>
#include <stdlib.h>
+#include <sys/time.h>
#include "aio_misc.h"
if (timeout == NULL)
result = pthread_cond_wait (&cond, &__aio_requests_mutex);
else
- result = pthread_cond_timedwait (&cond, &__aio_requests_mutex,
- timeout);
+ {
+ /* We have to convert the relative timeout value into an
+ absolute time value with pthread_cond_timedwait expects. */
+ struct timeval now;
+ struct timespec abstime;
+
+ __gettimeofday (&now, NULL);
+ abstime.tv_nsec = timeout->tv_nsec + now.tv_usec * 1000;
+ abstime.tv_sec = timeout->tv_sec + now.tv_sec;
+ if (abstime.tv_nsec >= 1000000000)
+ {
+ abstime.tv_nsec -= 1000000000;
+ abstime.tv_sec += 1;
+ }
+
+ result = pthread_cond_timedwait (&cond, &__aio_requests_mutex,
+ &abstime);
+ }
/* Now remove the entry in the waiting list for all requests
which didn't terminate. */