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-rw-r--r--sysdeps/unix/sysv/linux/bits/signum.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/signum.h b/sysdeps/unix/sysv/linux/bits/signum.h
index f625f468e9..1054f9aad6 100644
--- a/sysdeps/unix/sysv/linux/bits/signum.h
+++ b/sysdeps/unix/sysv/linux/bits/signum.h
@@ -1,5 +1,5 @@
 /* Signal number definitions.  Linux version.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998 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
@@ -24,6 +24,10 @@
 #define SIG_DFL	((__sighandler_t) 0)		/* Default action.  */
 #define SIG_IGN	((__sighandler_t) 1)		/* Ignore signal.  */
 
+#ifdef __USE_UNIX98
+# define SIG_HOLD	((__sighandler_t) 2)	/* Add signal to hold mask.  */
+#endif
+
 
 /* Signals.  */
 #define	SIGHUP		1	/* Hangup (POSIX).  */