Attachment 55935 Details for Bug 131322

test app

test_inotify.c (text/plain), 2.97 KB, created by Dirk Mueller on 2005-10-28 16:09:52 UTC

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Creator: Dirk Mueller

Created: 2005-10-28 16:09:52 UTC

Size: 2.97 KB

patch

obsolete

>#include <unistd.h>
>#include <fcntl.h>
>#include <sys/syscall.h>
>#include <linux/types.h>
>#include <linux/inotify.h>
>#include <assert.h>
>#include <fcntl.h>
>#include <sys/ioctl.h>
>#include <stdio.h>
>
>// Linux kernel header suck. including that crap
>// and then trying to make them compile isn't worth the effort
>
>static inline int inotify_init (void)
>{
>  return syscall (__NR_inotify_init);
>}
>
>static inline int inotify_add_watch (int fd, const char *name, __u32 mask)
>{
>  return syscall (__NR_inotify_add_watch, fd, name, mask);
>}
>
>static inline int inotify_rm_watch (int fd, __u32 wd)
>{
>  return syscall (__NR_inotify_rm_watch, fd, wd);
>}
>
>struct foo {
>
>  const char* path;
>  int wd;
>};
>
>static struct foo watches[] = {
>  { "/suse/stbinner", 2 },
> // { "/suse/stbinner/kate.crash", 3 },
> // { "/suse/stbinner/kate.crash.2", -1 },
> // { "/usr/src/work/kdelibs3/kdemm.diff", 4 },
>//  { "/etc/samba/smb.conf", 5 },
>//  { "/etc/security/fileshare.conf", 6 },
>  { "/etc/exports", 7 },
>//  { "/etc", 8 },
>//  { "/etc/samba", 9 },
>//  { "/etc/security", 10 },
>  //{ "/usr/src/work/kdelibs3", 11 }
>};
>
>int main()
>{
>   int m_inotify_fd = inotify_init();
>   printf("m_inotify_fd: %d\n", m_inotify_fd);
>   int i;
>
>   fd_set rfds;
>   struct timeval tv;
>   int retval;
>
>   int wd = inotify_add_watch ( m_inotify_fd, "/", 0x800 );
>   assert(wd > 0);
>   int r = inotify_rm_watch( m_inotify_fd, wd );
>   assert(r == 0);
>
>   for(i = 0; i < sizeof(watches)/sizeof(struct foo); ++i) {
>     int r = inotify_add_watch(m_inotify_fd, watches[i].path, IN_MODIFY|IN_ATTRIB|IN_MOVED_FROM|IN_MOVED_TO|IN_CREATE|IN_DELETE|IN_DELETE_SELF|0x800);
>     assert(r > 0);
>     watches[i].wd = r;
>   }
>
>   printf("ok, now going into the loop\n");
>
>
>   while(1) {
>       FD_ZERO(&rfds);
>       FD_SET(m_inotify_fd, &rfds);
>       retval = select(m_inotify_fd+1, &rfds, NULL, NULL, NULL);
>
>       if(retval < 0) {
>         printf("select failed.. trying again\n");
>         continue;
>       }
>
>        int pending = -1;
>        int offset = 0;
>        char buf[4096];
>        assert( m_inotify_fd > -1 );
>        ioctl( m_inotify_fd, FIONREAD, &pending );
>
>        while ( pending > 0 ) {
>
>            if ( pending > (int)sizeof( buf ) )
>                pending = sizeof( buf );
>
>            pending = read( m_inotify_fd, buf, pending);
>
>            while ( pending > 0 ) {
>                struct inotify_event *event = (struct inotify_event *) &buf[offset];
>                pending -= sizeof( struct inotify_event ) + event->len;
>                offset += sizeof( struct inotify_event ) + event->len;
>	
>		if (event->mask & IN_IGNORED)
>			printf("--> ignored\n");
>     
>		printf("ev wd: %d mask %x\n", event->wd, event->mask);
>
>		if (event->mask & IN_DELETE_SELF) {
>			printf ("---> got deleteself signal..\n");
>
>			for (i = 0; sizeof(watches)/sizeof(struct foo); ++i)
>				if (watches[i].wd == event->wd)
>			             printf (" for path %s\n", watches[i].path);
>			int r = inotify_rm_watch(m_inotify_fd, event->wd);
>			assert(r == 0);
>		}
>	   }
>       }
>   }
>  
>   return 0;
>}
>

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Attachments on bug 131322: 55935 | 56009 | 60580 | 61968