INOTIFY_INIT(2) Linux Programmer's Manual INOTIFY_INIT(2)
inotify_init, inotify_init1 - initialize an inotify instance
int inotify_init1(int flags);
For an overview of the inotify API, see inotify(7).
inotify_init() initializes a new inotify instance and returns a file
descriptor associated with a new inotify event queue.
If flags is 0, then inotify_init1() is the same as inotify_init(). The
following values can be bitwise ORed in flags to obtain different
IN_NONBLOCK Set the O_NONBLOCK file status flag on the new open file
description. Using this flag saves extra calls to fcntl(2)
to achieve the same result.
IN_CLOEXEC Set the close-on-exec (FD_CLOEXEC) flag on the new file
descriptor. See the description of the O_CLOEXEC flag in
open(2) for reasons why this may be useful.
On success, these system calls return a new file descriptor. On error,
-1 is returned, and errno is set to indicate the error.
EINVAL (inotify_init1()) An invalid value was specified in flags.
EMFILE The user limit on the total number of inotify instances has been
EMFILE The per-process limit on the number of open file descriptors has
ENFILE The system-wide limit on the total number of open files has been
ENOMEM Insufficient kernel memory is available.
inotify_init() first appeared in Linux 2.6.13; library support was
added to glibc in version 2.4. inotify_init1() was added in Linux
2.6.27; library support was added to glibc in version 2.9.
These system calls are Linux-specific.
inotify_add_watch(2), inotify_rm_watch(2), inotify(7)
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Linux 2017-09-15 INOTIFY_INIT(2)
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