/*#*
*#* $Log$
+ *#* 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.
+ *#*
+ *#* Revision 1.4 2005/11/27 03:07:13 bernie
+ *#* IRQ_SAVE_DISABLE(): Really block signals.
+ *#*
*#* Revision 1.3 2005/11/27 03:02:40 bernie
*#* Add POSIX emulation for IRQ_* macros; Add Qt support.
*#*
/*
* 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); \
- sigprocmask(SIG_SETMASK, &sigs, &old_sigs); \
+ SET_ALL_SIGNALS(sigs); \
+ sigprocmask(SIG_BLOCK, &sigs, &old_sigs); \
} while (0)
#define IRQ_RESTORE(old_sigs) \
#define OS_QT 0
#endif
-
-
/*
* Summarize hosted environments as OS_HOSTED and embedded
* environment with OS_EMBEDDED.
#else
#define OS_HOSTED 0
#define OS_EMBEDDED 1
+
+ /* Embedded environments fall back to CPU-specific code. */
+ #define OS_ID CPU_ID
#endif
/* Self-check for the detection */