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-rw-r--r--Documentation/filesystems/dnotify.txt39
1 files changed, 5 insertions, 34 deletions
diff --git a/Documentation/filesystems/dnotify.txt b/Documentation/filesystems/dnotify.txt
index 9f5d338ddbb8..6baf88f46859 100644
--- a/Documentation/filesystems/dnotify.txt
+++ b/Documentation/filesystems/dnotify.txt
@@ -62,38 +62,9 @@ disabled, fcntl(fd, F_NOTIFY, ...) will return -EINVAL.
62 62
63Example 63Example
64------- 64-------
65See Documentation/filesystems/dnotify_test.c for an example.
65 66
66 #define _GNU_SOURCE /* needed to get the defines */ 67NOTE
67 #include <fcntl.h> /* in glibc 2.2 this has the needed 68----
68 values defined */ 69Beginning with Linux 2.6.13, dnotify has been replaced by inotify.
69 #include <signal.h> 70See Documentation/filesystems/inotify.txt for more information on it.
70 #include <stdio.h>
71 #include <unistd.h>
72
73 static volatile int event_fd;
74
75 static void handler(int sig, siginfo_t *si, void *data)
76 {
77 event_fd = si->si_fd;
78 }
79
80 int main(void)
81 {
82 struct sigaction act;
83 int fd;
84
85 act.sa_sigaction = handler;
86 sigemptyset(&act.sa_mask);
87 act.sa_flags = SA_SIGINFO;
88 sigaction(SIGRTMIN + 1, &act, NULL);
89
90 fd = open(".", O_RDONLY);
91 fcntl(fd, F_SETSIG, SIGRTMIN + 1);
92 fcntl(fd, F_NOTIFY, DN_MODIFY|DN_CREATE|DN_MULTISHOT);
93 /* we will now be notified if any of the files
94 in "." is modified or new files are created */
95 while (1) {
96 pause();
97 printf("Got event on fd=%d\n", event_fd);
98 }
99 }