2002-01-02 Roland McGrath <roland@frob.com>

	* sysdeps/mach/hurd/i386/bits/sigcontext.h: Protect from
	multiple inclusion.  Inhibit #error under [_SYS_UCONTEXT_H].
	* sysdeps/mach/hurd/alpha/bits/sigcontext.h: Likewise.
	* sysdeps/mach/hurd/hppa/bits/sigcontext.h: Likewise.
	* sysdeps/mach/hurd/mips/bits/sigcontext.h: Likewise.
	* sysdeps/mach/hurd/powerpc/bits/sigcontext.h: Likewise.

diff --git a/sysdeps/mach/hurd/alpha/bits/sigcontext.h b/sysdeps/mach/hurd/alpha/bits/sigcontext.h
index 158db61..4f13a2c 100644 (file)
--- a/sysdeps/mach/hurd/alpha/bits/sigcontext.h
+++ b/sysdeps/mach/hurd/alpha/bits/sigcontext.h
@@ -1,5 +1,5 @@
 /* Machine-dependent signal context structure for GNU Hurd.  Alpha version.
-   Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1994,97,2001 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
@@ -17,10 +17,12 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef _SIGNAL_H
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
 #endif
 
+#ifndef sc_alpha_thread_state
+
 /* Signal handlers are actually called:
    void handler (int sig, int code, struct sigcontext *scp);  */
 
@@ -67,3 +69,5 @@ struct sigcontext
     double sc_fpregs[31];      /* Floating point registers $f0..$f30.  */
     long int sc_fpcsr;         /* Floating point control/status register.  */
   };
+
+#endif /* sc_alpha_thread_state */

diff --git a/sysdeps/mach/hurd/hppa/bits/sigcontext.h b/sysdeps/mach/hurd/hppa/bits/sigcontext.h
index 0042359..5db43fc 100644 (file)
--- a/sysdeps/mach/hurd/hppa/bits/sigcontext.h
+++ b/sysdeps/mach/hurd/hppa/bits/sigcontext.h
@@ -1,5 +1,5 @@
 /* Machine-dependent signal context structure for GNU Hurd.  HPPA version.
-   Copyright (C) 1995, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995,97,2001 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
@@ -17,10 +17,12 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef _SIGNAL_H
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
 #endif
 
+#ifndef sc_parisc_thread_state
+
 /* Signal handlers are actually called:
    void handler (int sig, int code, struct sigcontext *scp);  */
 
@@ -88,3 +90,5 @@ struct sigcontext
     /* Floating point registers $f0..$f31.  */
     double sc_fpregs[32];
   };
+
+#endif /* sc_parisc_thread_state */

diff --git a/sysdeps/mach/hurd/mips/bits/sigcontext.h b/sysdeps/mach/hurd/mips/bits/sigcontext.h
index deea841..14c6188 100644 (file)
--- a/sysdeps/mach/hurd/mips/bits/sigcontext.h
+++ b/sysdeps/mach/hurd/mips/bits/sigcontext.h
@@ -1,4 +1,5 @@
-/* Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+/* Machine-dependent signal context structure for GNU Hurd.  MIPS version.
+   Copyright (C) 1994,97,2001 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
@@ -16,10 +17,12 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef _SIGNAL_H
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
 #endif
 
+#ifndef sc_mips_thread_state
+
 /* Signal handlers are actually called:
    void handler (int sig, int code, struct sigcontext *scp);  */
 
@@ -73,3 +76,5 @@ struct sigcontext
     int sc_fpcsr;              /* FPU status register.  */
     int sc_fpeir;              /* FP exception instruction register.  */
   };
+
+#endif /* sc_mips_thread_state */