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Add monitoring support via kqueue(2). Based on patch from FreeBSD ports, authored by wg@FreeBSD.org and se@FreeBSD.org. However, this version doesn't create any thread, it uses main event dispatcher.

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Some effort was made to unify monitoring via kqueue and via inotify
APIs. Now both provide their implementation of add_watch() function.

I guess there are some logical bugs in vnode_process(). With this commit
it would be better provide code as is, and resolve bugs separately.
This commit is contained in:
Gleb Smirnoff
2017-12-29 02:05:46 -08:00
committed by Justin Maggard
parent 184607cb56
commit 5e320f2798
7 changed files with 300 additions and 42 deletions
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27
monitor.c
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@@ -108,7 +108,7 @@ raise_watch_limit(unsigned int limit)
fclose(max_watches);
}
static int
int
add_watch(int fd, const char * path)
{
struct watch *nw;
@@ -123,14 +123,14 @@ add_watch(int fd, const char * path)
if( wd < 0 )
{
DPRINTF(E_ERROR, L_INOTIFY, "inotify_add_watch(%s) [%s]\n", path, strerror(errno));
return -1;
return (errno);
}
nw = malloc(sizeof(struct watch));
if( nw == NULL )
{
DPRINTF(E_ERROR, L_INOTIFY, "malloc() error\n");
return -1;
return (ENOMEM);
}
nw->wd = wd;
nw->next = NULL;
@@ -147,7 +147,8 @@ add_watch(int fd, const char * path)
}
lastwatch = nw;
return wd;
DPRINTF(E_INFO, L_INOTIFY, "Added watch to %s [%d]\n", path, wd);
return (0);
}
static int
@@ -339,7 +340,7 @@ check_nfo(const char *path)
" and MIME glob 'video/*' limit 1", file, file);
}
static int
int
monitor_insert_file(const char *name, const char *path)
{
int len;
@@ -504,20 +505,10 @@ monitor_insert_directory(int fd, char *name, const char * path)
free(parent_buf);
}
#ifdef HAVE_WATCH
if( fd > 0 )
{
#ifdef HAVE_INOTIFY
int wd = add_watch(fd, path);
if( wd == -1 )
{
DPRINTF(E_ERROR, L_INOTIFY, "add_watch() failed\n");
}
else
{
DPRINTF(E_INFO, L_INOTIFY, "Added watch to %s [%d]\n", path, wd);
}
#endif
}
add_watch(fd, path);
#endif
dir_types = valid_media_types(path);