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net/virtio-user: fix build on Suse 11

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On some older systems, such as SUSE 11, the compiling error shows
as:
   .../dpdk/drivers/net/virtio/virtio_user/virtio_user_dev.c:67:22:
         error: ‘O_CLOEXEC’ undeclared (first use in this function)

The fix is to use EFD_CLOEXEC, which is defined in sys/eventfd.h,
instead of O_CLOEXEC which needs _GNU_SOURCE defined on some old
systems.

Fixes: 37a7eb2ae8 ("net/virtio-user: add device emulation layer")

Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This commit is contained in:
Jianfeng Tan 2016-06-29 03:23:03 +00:00 committed by Yuanhan Liu
parent 15f472c41e
commit 17450351ff
1 changed files with 2 additions and 2 deletions
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4
drivers/net/virtio/virtio_user/virtio_user_dev.c
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@ -63,12 +63,12 @@ virtio_user_kick_queue(struct virtio_user_dev *dev, uint32_t queue_sel)
/* May use invalid flag, but some backend leverages kickfd and callfd as
* criteria to judge if dev is alive. so finally we use real event_fd.
*/
callfd = eventfd(0, O_CLOEXEC | O_NONBLOCK);
callfd = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
if (callfd < 0) {
PMD_DRV_LOG(ERR, "callfd error, %s\n", strerror(errno));
return -1;
}
kickfd = eventfd(0, O_CLOEXEC | O_NONBLOCK);
kickfd = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
if (kickfd < 0) {
close(callfd);
PMD_DRV_LOG(ERR, "kickfd error, %s\n", strerror(errno));