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-rw-r--r--sysdeps/generic/sigset.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/generic/sigset.h b/sysdeps/generic/sigset.h
index a137d42..6f4ea0e 100644
--- a/sysdeps/generic/sigset.h
+++ b/sysdeps/generic/sigset.h
@@ -1,5 +1,5 @@
/* __sig_atomic_t, __sigset_t, and related definitions. Generic/BSD version.
- Copyright (C) 1991, 1992, 1994, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -48,6 +48,14 @@ typedef unsigned long int __sigset_t;
#define __sigemptyset(set) ((*(set) = (__sigset_t) 0), 0)
#define __sigfillset(set) ((*(set) = ~(__sigset_t) 0), 0)
+#ifdef _GNU_SOURCE
+# define __sigisemptyset(set) (*(set) == (__sigset_t) 0)
+# define __sigandset(dest, left, right) \
+ ((*(set) = (*(left) & *(right))), 0)
+# define __sigorset(dest, left, right) \
+ ((*(set) = (*(left) | *(right))), 0)
+#endif
+
/* These functions needn't check for a bogus signal number -- error
checking is done in the non __ versions. */