(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 78 insertions, 0 deletions

diff --git a/sysdeps/generic/bits/sigaction.h b/sysdeps/generic/bits/sigaction.h
new file mode 100644
index 0000000000..adcc276cc8
--- /dev/null
+++ b/sysdeps/generic/bits/sigaction.h
@@ -0,0 +1,78 @@
+/* Copyright (C) 1991,92,96,97,98,2001 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _SIGNAL_H
+# error "Never include <bits/sigaction.h> directly; use <signal.h> instead."
+#endif
+
+/* These definitions match those used by the 4.4 BSD kernel.
+   If the operating system has a `sigaction' system call that correctly
+   implements the POSIX.1 behavior, there should be a system-dependent
+   version of this file that defines `struct sigaction' and the `SA_*'
+   constants appropriately.  */
+
+/* Structure describing the action to be taken when a signal arrives.  */
+struct sigaction
+  {
+    /* Signal handler.  */
+#ifdef __USE_POSIX199309
+    union
+      {
+	/* Used if SA_SIGINFO is not set.  */
+	__sighandler_t sa_handler;
+	/* Used if SA_SIGINFO is set.  */
+	void (*sa_sigaction) (int, siginfo_t *, void *);
+      }
+    __sigaction_handler;
+# define sa_handler	__sigaction_handler.sa_handler
+# define sa_sigaction	__sigaction_handler.sa_sigaction
+#else
+    __sighandler_t sa_handler;
+#endif
+
+    /* Additional set of signals to be blocked.  */
+    __sigset_t sa_mask;
+
+    /* Special flags.  */
+    int sa_flags;
+  };
+
+/* Bits in `sa_flags'.  */
+#if defined __USE_UNIX98 || defined __USE_MISC
+# define SA_ONSTACK	0x0001	/* Take signal on signal stack.  */
+# define SA_RESTART	0x0002	/* Restart syscall on signal return.  */
+# define SA_NODEFER	0x0010	/* Don't automatically block the signal when
+				    its handler is being executed.  */
+# define SA_RESETHAND	0x0004	/* Reset to SIG_DFL on entry to handler.  */
+#endif
+#define	SA_NOCLDSTOP	0x0008	/* Don't send SIGCHLD when children stop.  */
+
+#ifdef __USE_MISC
+# define SA_INTERRUPT	0	/* Historical no-op ("not SA_RESTART").  */
+
+/* Some aliases for the SA_ constants.  */
+# define SA_NOMASK    SA_NODEFER
+# define SA_ONESHOT   SA_RESETHAND
+# define SA_STACK     SA_ONSTACK
+#endif
+
+
+/* Values for the HOW argument to `sigprocmask'.  */
+#define	SIG_BLOCK	1	/* Block signals.  */
+#define	SIG_UNBLOCK	2	/* Unblock signals.  */
+#define	SIG_SETMASK	3	/* Set the set of blocked signals.  */