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Update.

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2002-06-18  Amos Waterland  <apw@us.ibm.com>

	* sysdeps/pthread/aio_cancel.c (aio_cancel): Add check for invalid
	file descriptor.
	* sysdeps/pthread/aio_fsync.c (aio_fsync): Add check for invalid fd;
	add check for fd not open for writing.

	* sysdeps/pthread/aio_suspend.c (aio_suspend): Add check for
	completed element(s) and do not suspend thread if so.  Patch
	heavily modified by drepper.

	* rt/tst-aio7.c: New file.  Regression test for problems which the
	above three changes fix.
	* rt/Makefile (tests): Add tst-aio7.

	* rt/tst-aio6.c: Fix comment.
This commit is contained in:
Ulrich Drepper
2002-06-29 23:35:02 +00:00
parent eabea97226
commit 8b8cc76fa4
7 changed files with 272 additions and 44 deletions
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14
sysdeps/pthread/aio_fsync.c
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@@ -1,5 +1,5 @@
/* Synchronize I/O in given file descriptor.
Copyright (C) 1997, 1999 Free Software Foundation, Inc.
Copyright (C) 1997, 1999, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -36,12 +36,22 @@
int
aio_fsync (int op, struct aiocb *aiocbp)
{
if (op != O_DSYNC && op != O_SYNC)
int flags;
if (op != O_DSYNC && __builtin_expect (op != O_SYNC, 0))
{
__set_errno (EINVAL);
return -1;
}
flags = fcntl (aiocbp->aio_fildes, F_GETFL);
if (__builtin_expect (flags == -1, 0)
|| __builtin_expect ((flags & (O_RDWR | O_WRONLY)) == 0, 0))
{
__set_errno (EBADF);
return -1;
}
return (__aio_enqueue_request ((aiocb_union *) aiocbp,
op == O_SYNC ? LIO_SYNC : LIO_DSYNC) == NULL
? -1 : 0);