tvl-depot/fsmonitor.h
Vincent Ambo 1b593e1ea4 Squashed 'third_party/git/' content from commit cb71568594
git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
2020-01-11 23:36:56 +00:00

77 lines
2.4 KiB
C

#ifndef FSMONITOR_H
#define FSMONITOR_H
#include "cache.h"
#include "dir.h"
extern struct trace_key trace_fsmonitor;
/*
* Read the fsmonitor index extension and (if configured) restore the
* CE_FSMONITOR_VALID state.
*/
int read_fsmonitor_extension(struct index_state *istate, const void *data, unsigned long sz);
/*
* Fill the fsmonitor_dirty ewah bits with their state from the index,
* before it is split during writing.
*/
void fill_fsmonitor_bitmap(struct index_state *istate);
/*
* Write the CE_FSMONITOR_VALID state into the fsmonitor index
* extension. Reads from the fsmonitor_dirty ewah in the index.
*/
void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate);
/*
* Add/remove the fsmonitor index extension
*/
void add_fsmonitor(struct index_state *istate);
void remove_fsmonitor(struct index_state *istate);
/*
* Add/remove the fsmonitor index extension as necessary based on the current
* core.fsmonitor setting.
*/
void tweak_fsmonitor(struct index_state *istate);
/*
* Run the configured fsmonitor integration script and clear the
* CE_FSMONITOR_VALID bit for any files returned as dirty. Also invalidate
* any corresponding untracked cache directory structures. Optimized to only
* run the first time it is called.
*/
void refresh_fsmonitor(struct index_state *istate);
/*
* Set the given cache entries CE_FSMONITOR_VALID bit. This should be
* called any time the cache entry has been updated to reflect the
* current state of the file on disk.
*/
static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce)
{
if (core_fsmonitor && !(ce->ce_flags & CE_FSMONITOR_VALID)) {
istate->cache_changed = 1;
ce->ce_flags |= CE_FSMONITOR_VALID;
trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name);
}
}
/*
* Clear the given cache entry's CE_FSMONITOR_VALID bit and invalidate
* any corresponding untracked cache directory structures. This should
* be called any time git creates or modifies a file that should
* trigger an lstat() or invalidate the untracked cache for the
* corresponding directory
*/
static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce)
{
if (core_fsmonitor) {
ce->ce_flags &= ~CE_FSMONITOR_VALID;
untracked_cache_invalidate_path(istate, ce->name, 1);
trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name);
}
}
#endif