t/Makefile: apply chainlint.pl to existing self-tests

[thirdparty/git.git] / fsmonitor-settings.h

diff --git a/fsmonitor-settings.h b/fsmonitor-settings.h
index a4c5d7b48891fe6d6bb3705fe1107fcae8e9dc29..d9c2605197ff8e957ffb0346dba78d85d3e1dab7 100644 (file)
--- a/fsmonitor-settings.h
+++ b/fsmonitor-settings.h
@@ -4,18 +4,51 @@
 struct repository;
 
 enum fsmonitor_mode {
+       FSMONITOR_MODE_INCOMPATIBLE = -1, /* see _reason */
        FSMONITOR_MODE_DISABLED = 0,
        FSMONITOR_MODE_HOOK = 1, /* core.fsmonitor=<hook_path> */
        FSMONITOR_MODE_IPC = 2,  /* core.fsmonitor=<true> */
 };
 
+/*
+ * Incompatibility reasons.
+ */
+enum fsmonitor_reason {
+       FSMONITOR_REASON_UNTESTED = 0,
+       FSMONITOR_REASON_OK, /* no incompatibility or when disabled */
+       FSMONITOR_REASON_BARE,
+       FSMONITOR_REASON_ERROR, /* FS error probing for compatibility */
+       FSMONITOR_REASON_REMOTE,
+       FSMONITOR_REASON_VFS4GIT, /* VFS for Git virtualization */
+       FSMONITOR_REASON_NOSOCKETS, /* NTFS,FAT32 do not support Unix sockets */
+};
+
 void fsm_settings__set_ipc(struct repository *r);
 void fsm_settings__set_hook(struct repository *r, const char *path);
 void fsm_settings__set_disabled(struct repository *r);
+void fsm_settings__set_incompatible(struct repository *r,
+                                   enum fsmonitor_reason reason);
 
 enum fsmonitor_mode fsm_settings__get_mode(struct repository *r);
 const char *fsm_settings__get_hook_path(struct repository *r);
 
+enum fsmonitor_reason fsm_settings__get_reason(struct repository *r);
+char *fsm_settings__get_incompatible_msg(const struct repository *r,
+                                        enum fsmonitor_reason reason);
+
 struct fsmonitor_settings;
 
+#ifdef HAVE_FSMONITOR_OS_SETTINGS
+/*
+ * Ask platform-specific code whether the repository is incompatible
+ * with fsmonitor (both hook and ipc modes).  For example, if the working
+ * directory is on a remote volume and mounted via a technology that does
+ * not support notification events, then we should not pretend to watch it.
+ *
+ * fsm_os__* routines should considered private to fsm_settings__
+ * routines.
+ */
+enum fsmonitor_reason fsm_os__incompatible(struct repository *r);
+#endif /* HAVE_FSMONITOR_OS_SETTINGS */
+
 #endif /* FSMONITOR_SETTINGS_H */