From dd10467603da0be5d35d91bae7c62b0079128d09 Mon Sep 17 00:00:00 2001
From: bernie <bernie@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Wed, 15 Feb 2006 09:12:33 +0000
Subject: [PATCH] Don't mask useful user signals on UNIX.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@513 38d2e660-2303-0410-9eaa-f027e97ec537
---
 cfg/os.h | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/cfg/os.h b/cfg/os.h
index 320afdd5..28327798 100755
--- a/cfg/os.h
+++ b/cfg/os.h
@@ -14,6 +14,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.6  2006/02/15 09:12:33  bernie
+ *#* Don't mask useful user signals on UNIX.
+ *#*
  *#* Revision 1.5  2005/11/27 23:32:42  bernie
  *#* Add CPU fallback for OS_ID.
  *#*
@@ -58,28 +61,37 @@
 	/*
 	 * The POSIX moral equivalent of disabling IRQs is disabling signals.
 	 */
-	#define _XOPEN_SOURCE 600 /* Avoid BSDish stuff */
-	#undef _GNU_SOURCE /* This implies _BSD_SOURCE and is predefined on Linux. */
+//	#define _XOPEN_SOURCE 600 /* Avoid BSDish stuff */
+//	#undef _GNU_SOURCE /* This implies _BSD_SOURCE and is predefined on Linux. */
 	#include <signal.h>
 	typedef sigset_t cpuflags_t;
+
+	#define SET_ALL_SIGNALS(sigs) \
+	do { \
+		sigfillset(&sigs); \
+		sigdelset(&sigs, SIGINT); \
+		sigdelset(&sigs, SIGSTOP); \
+		sigdelset(&sigs, SIGCONT); \
+	} while(0)
+
 	#define IRQ_DISABLE \
 	do { \
 		sigset_t sigs; \
-		sigfillset(&sigs); \
+		SET_ALL_SIGNALS(sigs); \
 		sigprocmask(SIG_BLOCK, &sigs, NULL); \
 	} while (0)
 
 	#define IRQ_ENABLE \
 	do { \
 		sigset_t sigs; \
-		sigemptyset(&sigs); \
+		SET_ALL_SIGNALS(sigs); \
 		sigprocmask(SIG_UNBLOCK, &sigs, NULL); \
 	} while (0)
 
 	#define IRQ_SAVE_DISABLE(old_sigs) \
 	do { \
 		sigset_t sigs; \
-		sigemptyset(&sigs); \
+		SET_ALL_SIGNALS(sigs); \
 		sigprocmask(SIG_BLOCK, &sigs, &old_sigs); \
 	} while (0)
 
-- 
2.25.1