Re: [PATCH 1/4] pidfd: support PIDFD_NONBLOCK in pidfd_open()
From: Oleg Nesterov <oleg@redhat.com>
Date: 2020-09-01 16:23:40
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linux-kselftest, lkml
On 08/31, Christian Brauner wrote:
quoted hunk ↗ jump to hunk
--- /dev/null +++ b/include/uapi/linux/pidfd.h@@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + +#ifndef _UAPI_LINUX_PIDFD_H +#define _UAPI_LINUX_PIDFD_H + +#include <linux/types.h> +#include <linux/fcntl.h> + +/* Flags for pidfd_open(). */ +#define PIDFD_NONBLOCK O_NONBLOCK + +#endif /* _UAPI_LINUX_PIDFD_H */
Why? Can't we simply use O_NONBLOCK ? Oleg.