Don't mask useful user signals on UNIX.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@513 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/cfg/os.h b/cfg/os.h
index 320afdd5f518d3f4973ed7c032a22c649471ce99..2832779868f7fddf95f785862897779acfa41f34 100755 (executable)
--- 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)