#define _ASMi386_SIGNAL_H
#include <linux/types.h>
-#include <linux/linkage.h>
#include <linux/time.h>
#include <linux/compiler.h>
struct siginfo;
#ifdef __KERNEL__
+
+#include <linux/linkage.h>
+
/* Most things should be clean enough to redefine this at will, if care
is taken to make libc match. */
* SA_FLAGS values:
*
* SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_RESETHAND clears the handler when the signal is delivered.
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
-#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
#define SA_RESTORER 0x04000000
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
-#ifdef __KERNEL__
-
-/*
- * These values of sa_flags are used only by the kernel as part of the
- * irq handling routines.
- *
- * SA_INTERRUPT is also used by the irq handling routines.
- * SA_SHIRQ is for shared interrupt support on PCI and EISA.
- */
-#define SA_PROBE SA_ONESHOT
-#define SA_SAMPLE_RANDOM SA_RESTART
-#define SA_SHIRQ 0x04000000
-#endif
-
-#define SIG_BLOCK 0 /* for blocking signals */
-#define SIG_UNBLOCK 1 /* for unblocking signals */
-#define SIG_SETMASK 2 /* for setting the signal mask */
-
-/* Type of a signal handler. */
-typedef void __signalfn_t(int);
-typedef __signalfn_t __user *__sighandler_t;
-
-typedef void __restorefn_t(void);
-typedef __restorefn_t __user *__sigrestore_t;
-
-#define SIG_DFL ((__sighandler_t)0) /* default signal handling */
-#define SIG_IGN ((__sighandler_t)1) /* ignore signal */
-#define SIG_ERR ((__sighandler_t)-1) /* error return from signal */
+#include <asm-generic/signal.h>
#ifdef __KERNEL__
struct old_sigaction {
#define __HAVE_ARCH_SIG_BITOPS
-static __inline__ void sigaddset(sigset_t *set, int _sig)
+#define sigaddset(set,sig) \
+ (__builtin_constant_p(sig) ? \
+ __const_sigaddset((set),(sig)) : \
+ __gen_sigaddset((set),(sig)))
+
+static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
{
- __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
+ __asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
}
-static __inline__ void sigdelset(sigset_t *set, int _sig)
+static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
{
- __asm__("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
+ unsigned long sig = _sig - 1;
+ set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
+}
+
+#define sigdelset(set,sig) \
+ (__builtin_constant_p(sig) ? \
+ __const_sigdelset((set),(sig)) : \
+ __gen_sigdelset((set),(sig)))
+
+
+static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
+{
+ __asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
+{
+ unsigned long sig = _sig - 1;
+ set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
}
static __inline__ int __const_sigismember(sigset_t *set, int _sig)
}
struct pt_regs;
-extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset));
-#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#define ptrace_signal_deliver(regs, cookie) \
+ do { \
+ if (test_and_clear_thread_flag(TIF_FORCED_TF)) \
+ (regs)->eflags &= ~TF_MASK; \
+ } while (0)
#endif /* __KERNEL__ */