X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fsignal.h;h=14749056dd630ac0072439ed53225caac9025c2f;hb=refs%2Fheads%2Fvserver;hp=e5f3d83ab215e79a9d56c418785f64df3099a190;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/include/linux/signal.h b/include/linux/signal.h
index e5f3d83ab..14749056d 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -1,14 +1,12 @@
 #ifndef _LINUX_SIGNAL_H
 #define _LINUX_SIGNAL_H
 
-#include <linux/list.h>
-#include <linux/spinlock.h>
 #include <asm/signal.h>
 #include <asm/siginfo.h>
 
 #ifdef __KERNEL__
-
-#define MAX_SIGPENDING	1024
+#include <linux/list.h>
+#include <linux/spinlock.h>
 
 /*
  * Real Time signals may be queued.
@@ -16,7 +14,6 @@
 
 struct sigqueue {
 	struct list_head list;
-	spinlock_t *lock;
 	int flags;
 	siginfo_t info;
 	struct user_struct *user;
@@ -73,6 +70,23 @@ static inline int sigfindinword(unsigned long word)
 
 #endif /* __HAVE_ARCH_SIG_BITOPS */
 
+static inline int sigisemptyset(sigset_t *set)
+{
+	extern void _NSIG_WORDS_is_unsupported_size(void);
+	switch (_NSIG_WORDS) {
+	case 4:
+		return (set->sig[3] | set->sig[2] |
+			set->sig[1] | set->sig[0]) == 0;
+	case 2:
+		return (set->sig[1] | set->sig[0]) == 0;
+	case 1:
+		return set->sig[0] == 0;
+	default:
+		_NSIG_WORDS_is_unsupported_size();
+		return 0;
+	}
+}
+
 #define sigmask(sig)	(1UL << ((sig) - 1))
 
 #ifndef __HAVE_ARCH_SIG_SETOPS
@@ -211,14 +225,23 @@ static inline void init_sigpending(struct sigpending *sig)
 	INIT_LIST_HEAD(&sig->list);
 }
 
+extern void flush_sigqueue(struct sigpending *queue);
+
+/* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */
+static inline int valid_signal(unsigned long sig)
+{
+	return sig <= _NSIG ? 1 : 0;
+}
+
 extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p);
+extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *);
 extern long do_sigpending(void __user *, unsigned long);
 extern int sigprocmask(int, sigset_t *, sigset_t *);
 
-#ifndef HAVE_ARCH_GET_SIGNAL_TO_DELIVER
 struct pt_regs;
 extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
-#endif
+
+extern struct kmem_cache *sighand_cachep;
 
 #endif /* __KERNEL__ */