Re: [PATCH] Compile dnotify example w/o glibc 2.2 headers

From: Andreas Jaeger (aj@suse.de)
Date: Wed Jan 24 2001 - 05:12:57 EST


Daniel Phillips <phillips@innominate.de> writes:

> <plug>dnotify is cool, check it out</plug>
>
> If you want to compile the example in Documentation/dnotify.txt and
> you don't have glibc 2.2 headers installed you have 3 choices:
>
> 1) Upgrade to glibc 2.2
> 2) Hunt for the missing symbols in the 2.4 source tree
> 3) Apply this patch
>
> Option (1) is recommended of course, but if you're lazy (like me)
> then...
>
> --- 2.4.0/Documentation/dnotify.txt~ Mon Jan 22 16:04:32 2001
> +++ 2.4.0/Documentation/dnotify.txt Mon Jan 22 16:04:25 2001
> @@ -63,6 +63,17 @@
> #include <stdio.h>
> #include <unistd.h>
>
> + #ifndef F_NOTIFY /* pre-glibc 2.2? */

If you're checking for glibc 2.2 or newer, better use:
#if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 2

Andreas
> + #define F_NOTIFY 1026
> + #define DN_ACCESS 0x00000001 /* File accessed */
> + #define DN_MODIFY 0x00000002 /* File modified */
> + #define DN_CREATE 0x00000004 /* File created */
> + #define DN_DELETE 0x00000008 /* File removed */
> + #define DN_RENAME 0x00000010 /* File renamed */
> + #define DN_ATTRIB 0x00000020 /* File changed attibutes */
> + #define DN_MULTISHOT 0x80000000 /* Don't remove notifier */
> + #endif
> +
> static volatile int event_fd;
>
> static void handler(int sig, siginfo_t *si, void *data)

-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
   private aj@arthur.inka.de
    http://www.suse.de/~aj
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