X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Fnotmuch.h;h=82fd59980b9911d1d5a33b54212fc4a374145610;hp=cd301a4f0c6b9bd31dc6c90d524fa7d4271a0686;hb=20abbe89a3014ff27978aea7be0cffbc715935ca;hpb=180dba66e47a5257b2cdf2f1ceb59cc8fa5a69d4

diff --git a/lib/notmuch.h b/lib/notmuch.h
index cd301a4f..82fd5998 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -227,6 +227,9 @@ typedef void (*notmuch_compact_status_cb_t)(const char *message, void *closure);
  * The database will be opened with NOTMUCH_DATABASE_MODE_READ_WRITE
  * during the compaction process to ensure no writes are made.
  *
+ * If the optional callback function 'status_cb' is non-NULL, it will
+ * be called with diagnostic and informational messages. The argument
+ * 'closure' is passed verbatim to any callback invoked.
  */
 notmuch_status_t
 notmuch_database_compact (const char* path,
@@ -270,7 +273,8 @@ notmuch_database_needs_upgrade (notmuch_database_t *database);
  * provide progress indication to the user. If non-NULL it will be
  * called periodically with 'progress' as a floating-point value in
  * the range of [0.0 .. 1.0] indicating the progress made so far in
- * the upgrade process.
+ * the upgrade process.  The argument 'closure' is passed verbatim to
+ * any callback invoked.
  */
 notmuch_status_t
 notmuch_database_upgrade (notmuch_database_t *database,