From 922fd3cb7b382fe0cd5cf48edc2f10f6a31bb0e6 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jan=20Dj=C3=A4rv?= Date: Mon, 21 Aug 2006 12:54:47 +0000 Subject: [PATCH] Clarify difference between in_sighandler and handling_signal. --- src/keyboard.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/keyboard.c b/src/keyboard.c index 72e6844d841..0d13743f8b5 100644 --- a/src/keyboard.c +++ b/src/keyboard.c @@ -100,7 +100,12 @@ int interrupt_input_pending; /* File descriptor to use for input. */ extern int input_fd; -/* Nonzero if we are executing from the SIGIO signal handler. */ +/* Nonzero if we are executing from the SIGIO signal handler. + The difference between in_sighandler and handling_signal is that + in_sighandler is only set when executing in a signal handler. + handling_signal may be set even if not executing in a signal handler, for + example when reinvoke_input_signal is called from UNBLOCK_INPUT, or + when Emacs is compiled with SYNC_INPUT defined. */ int in_sighandler; #ifdef HAVE_WINDOW_SYSTEM -- 2.39.5