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Remove inotify recursive directory monitoring 

We no longer use in Lite XL recursive directory monitoring as
it was a source of problems.

To enforce this at compile time we use the preprocessor to
remove the implementation of recursive monitoring for the Linux
implementation only.
This commit is contained in:
Francesco Abbate 2021-12-30 15:45:09 +01:00
parent fd074ff39a
commit 9578359b2b
1 changed files with 13 additions and 1 deletions
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14
lib/dmon/dmon.h
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@ -169,6 +169,8 @@ DMON_API_DECL void dmon_unwatch(dmon_watch_id id);
# include <time.h>
# include <unistd.h>
# include <stdlib.h>
/* Recursive removed for Lite XL when using inotify. */
# define LITE_XL_DISABLE_INOTIFY_RECURSIVE
#elif DMON_OS_MACOS
# include <pthread.h>
# include <CoreServices/CoreServices.h>
@ -710,6 +712,10 @@ typedef struct dmon__state {
static bool _dmon_init;
static dmon__state _dmon;
/* Implementation of recursive monitoring was removed on Linux for the Lite XL
* application. It is never used with recent version of Lite XL starting from 2.0.5
* and recursive monitoring with inotify was always problematic and half-broken. */
#ifndef LITE_XL_DISABLE_INOTIFY_RECURSIVE
_DMON_PRIVATE void dmon__watch_recursive(const char* dirname, int fd, uint32_t mask,
bool followlinks, dmon__watch_state* watch)
{
@ -764,6 +770,7 @@ _DMON_PRIVATE void dmon__watch_recursive(const char* dirname, int fd, uint32_t m
}
closedir(dir);
}
#endif
_DMON_PRIVATE const char* dmon__find_subdir(const dmon__watch_state* watch, int wd)
{
@ -777,6 +784,7 @@ _DMON_PRIVATE const char* dmon__find_subdir(const dmon__watch_state* watch, int
return NULL;
}
#ifndef LITE_XL_DISABLE_INOTIFY_RECURSIVE
_DMON_PRIVATE void dmon__gather_recursive(dmon__watch_state* watch, const char* dirname)
{
struct dirent* entry;
@ -809,6 +817,7 @@ _DMON_PRIVATE void dmon__gather_recursive(dmon__watch_state* watch, const char*
}
closedir(dir);
}
#endif
_DMON_PRIVATE void dmon__inotify_process_events(void)
{
@ -919,6 +928,7 @@ _DMON_PRIVATE void dmon__inotify_process_events(void)
}
if (ev->mask & IN_CREATE) {
# ifndef LITE_XL_DISABLE_INOTIFY_RECURSIVE
if (ev->mask & IN_ISDIR) {
if (watch->watch_flags & DMON_WATCHFLAGS_RECURSIVE) {
char watchdir[DMON_MAX_PATH];
@ -948,6 +958,7 @@ _DMON_PRIVATE void dmon__inotify_process_events(void)
ev = &_dmon.events[i]; // gotta refresh the pointer because it may be relocated
}
}
# endif
watch->watch_cb(ev->watch_id, DMON_ACTION_CREATE, watch->rootdir, ev->filepath, NULL, watch->user_data);
}
else if (ev->mask & IN_MODIFY) {
@ -1158,11 +1169,12 @@ DMON_API_IMPL dmon_watch_id dmon_watch(const char* rootdir,
stb_sb_push(watch->wds, wd);
// recursive mode: enumarate all child directories and add them to watch
#ifndef LITE_XL_DISABLE_INOTIFY_RECURSIVE
if (flags & DMON_WATCHFLAGS_RECURSIVE) {
dmon__watch_recursive(watch->rootdir, watch->fd, inotify_mask,
(flags & DMON_WATCHFLAGS_FOLLOW_SYMLINKS) ? true : false, watch);
}
#endif
pthread_mutex_unlock(&_dmon.mutex);
return dmon__make_id(id);