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Linux 2.6 - man page for inotify_init (linux section 2)

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INOTIFY_INIT(2) 		    Linux Programmer's Manual			  INOTIFY_INIT(2)

       inotify_init, inotify_init1 - initialize an inotify instance

       #include <sys/inotify.h>

       int inotify_init(void);
       int inotify_init1(int flags);

       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 behavior:

       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 use-

       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 reached.

       ENFILE The system limit on the total number of file descriptors has been reached.

       ENOMEM Insufficient kernel memory is available.

       inotify_init()  first appeared in Linux 2.6.13; library support was added to glibc in ver-
       sion 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)

       This  page  is  part of release 3.55 of the Linux man-pages project.  A description of the
       project,    and	  information	 about	  reporting    bugs,	can    be    found     at

Linux					    2012-05-04				  INOTIFY_INIT(2)
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