[PATCH 11/13] chdir-notify: add function to unregister listeners

From

Patrick Steinhardt <ps@pks.im>

Date

Nov 19, 2025, 07:50 UTC

Message-ID

<20251119-b4-pks-odb-creation-v1-11-2b2ed2612cb6@pks.im>

In-Reply-To

<20251119-b4-pks-odb-creation-v1-0-2b2ed2612cb6@pks.im>

Add one, as it will be required in a subsequent commit.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 chdir-notify.c | 18 ++++++++++++++++++
 chdir-notify.h |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/chdir-notify.c b/chdir-notify.c
index 0d7bc04607..f8bfe3cbef 100644
--- a/chdir-notify.c
+++ b/chdir-notify.c
@@ -25,6 +25,24 @@ void chdir_notify_register(const char *name,
 	list_add_tail(&e->list, &chdir_notify_entries);
 }
 
+void chdir_notify_unregister(const char *name, chdir_notify_callback cb,
+			     void *data)
+{
+	struct list_head *pos, *p;
+
+	list_for_each_safe(pos, p, &chdir_notify_entries) {
+		struct chdir_notify_entry *e =
+			list_entry(pos, struct chdir_notify_entry, list);
+
+		if (e->cb != cb || e->data != data || !e->name != !name ||
+		    (e->name && strcmp(e->name, name)))
+			continue;
+
+		list_del(pos);
+		free(e);
+	}
+}
+
 static void reparent_cb(const char *name,
 			const char *old_cwd,
 			const char *new_cwd,
diff --git a/chdir-notify.h b/chdir-notify.h
index 366e4c1ee9..81eb69d846 100644
--- a/chdir-notify.h
+++ b/chdir-notify.h
@@ -41,6 +41,8 @@ typedef void (*chdir_notify_callback)(const char *name,
 				      const char *new_cwd,
 				      void *data);
 void chdir_notify_register(const char *name, chdir_notify_callback cb, void *data);
+void chdir_notify_unregister(const char *name, chdir_notify_callback cb,
+			     void *data);
 void chdir_notify_reparent(const char *name, char **path);
 
 /*

-- 
2.52.0.rc2.482.gaa765fefd0.dirty