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block/raw-posix: Build fix for O_ASYNC 

Commit eeb6b45d48 (block: raw-posix image
file reopen) broke the build on OpenIndiana.

illumos has no O_ASYNC. Exclude it from flags to be compared
and instead assert that it is not set where defined.

Cf. e61ab1da7e for qemu-ga.

Cc: qemu-stable@nongnu.org (1.3.x)
Cc: Jeff Cody <jcody@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Andreas Färber 2013-01-31 15:40:14 +01:00 committed by Stefan Hajnoczi
parent cd92347575
commit fdf263f63f
1 changed files with 10 additions and 1 deletions
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11
block/raw-posix.c
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@ -345,11 +345,20 @@ static int raw_reopen_prepare(BDRVReopenState *state,
raw_s->fd = -1;
int fcntl_flags = O_APPEND | O_ASYNC | O_NONBLOCK;
int fcntl_flags = O_APPEND | O_NONBLOCK;
#ifdef O_NOATIME
fcntl_flags |= O_NOATIME;
#endif
#ifdef O_ASYNC
/* Not all operating systems have O_ASYNC, and those that don't
* will not let us track the state into raw_s->open_flags (typically
* you achieve the same effect with an ioctl, for example I_SETSIG
* on Solaris). But we do not use O_ASYNC, so that's fine.
*/
assert((s->open_flags & O_ASYNC) == 0);
#endif
if ((raw_s->open_flags & ~fcntl_flags) == (s->open_flags & ~fcntl_flags)) {
/* dup the original fd */
/* TODO: use qemu fcntl wrapper */