Add inotify skeleton code

Author: linuxias

inotify/inotify_exam.c

@@ -1,11 +1,36 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
 #include <sys/inotify.h>
 
+#define INOTIFY_PATH "/tmp/"
+
 int main(int argc, char *argv[])
 {
+	int ret;
 	int fd;
+	int wd;
 
 	fd = inotify_init();
+	if (fd < 0) {
+		perror("inotify_init");
+		exit(EXIT_FAILURE);
+	}
+
+	wd = inotify_add_watch(fd, INOTIFY_PATH, IN_MODIFY | IN_CREATE | IN_DELETE);
+	if (wd < 0) {
+		fprintf(stderr, "Failed to add watch [%s] [%s]", INOTIFY_PATH, strerror(errno));
+		perror("inotify_add_watch");
+		exit(EXIT_FAILURE);
+	}
+
+	ret = inotify_rm_watch(fd, wd);
+	if (ret < 0) {
+		fprintf(stderr, "Failed to rm watch [fd : %d] [wd : %d] [%s]", fd, wd, strerror(errno));
+		perror("inotify_rm_watch");
+		exit(EXIT_FAILURE);
+	}
 
 	return 0;
 }