diff options
Diffstat (limited to 'sysdeps/pthread/aio_fsync.c')
| -rw-r--r-- | sysdeps/pthread/aio_fsync.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sysdeps/pthread/aio_fsync.c b/sysdeps/pthread/aio_fsync.c index 17f43516bf..4c90d69584 100644 --- a/sysdeps/pthread/aio_fsync.c +++ b/sysdeps/pthread/aio_fsync.c @@ -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); |