diff options
Diffstat (limited to 'rt/aio_fsync.c')
| -rw-r--r-- | rt/aio_fsync.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/rt/aio_fsync.c b/rt/aio_fsync.c index 86727246f8..5a52e2fec0 100644 --- a/rt/aio_fsync.c +++ b/rt/aio_fsync.c @@ -1,6 +1,7 @@ -/* Synchronize I/O in given file descriptor. Stub version. - Copyright (C) 2001-2021 Free Software Foundation, Inc. +/* Synchronize I/O in given file descriptor. + Copyright (C) 1997-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -26,24 +27,31 @@ #include <aio.h> /* And undo the hack. */ #undef aio_fsync64 - #include <errno.h> #include <fcntl.h> +#include <aio_misc.h> + + int aio_fsync (int op, struct aiocb *aiocbp) { - if (op != O_SYNC && op != O_DSYNC) + if (op != O_DSYNC && __builtin_expect (op != O_SYNC, 0)) { __set_errno (EINVAL); return -1; } - __set_errno (ENOSYS); - return -1; + /* Verify that this is an open file descriptor. */ + if (__glibc_unlikely (fcntl (aiocbp->aio_fildes, F_GETFL) == -1)) + { + __set_errno (EBADF); + return -1; + } + + return (__aio_enqueue_request ((aiocb_union *) aiocbp, + op == O_SYNC ? LIO_SYNC : LIO_DSYNC) == NULL + ? -1 : 0); } weak_alias (aio_fsync, aio_fsync64) - -stub_warning (aio_fsync) -stub_warning (aio_fsync64) |