[PATCH] sys_sync_file_range()

[linux-2.6-omap-h63xx.git] / include / linux / signal.h

diff --git a/include/linux/signal.h b/include/linux/signal.h
index ea9eff16c4b74f41de0e4e3027409948f9a0bcec..162a8fd10b293e7b3a548b2bc2b7d1090d7f41a0 100644 (file)
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -94,6 +94,23 @@ 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
@@ -232,6 +249,8 @@ 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)
 {