2012-11-15 Pierre Muller <muller@sourceware.org>

ARI fixes: move gdb_wait and gdb_stat headers to common subdirectory.
	* gdb_stat.h: Delete. Moved to common directory.
	* common/gdb_stat.h: New file.
	* gdb_wait.h: Delete. Moved to common directory.
	* common/gdb_wait.h: New file.
	* Makefile.in (H_FILES_NO_SRC): Adapt to new header
	location.
	* contrib/ari/gdb_ari.sh (wait.h rule): Adapt to new gdb_wait.h
	location.
	(stat.h rule): Adapt to new gdb_stat.h location.
	* common/linux-osdata.c: Include "gdb_stat.h" header instead of
	<sys/stat.h> header.
	* common/linux-ptrace.c: Include "gdb_wait.h" header instead of
	<sys/wait.h> header.


gdbserver ChangeLog entry:

2012-11-15  Pierre Muller  <muller@sourceware.org>

	* configure.ac (AC_CHECK_HEADERS): Add wait.h header.
	* config.in: Regenerate.
	* configure: Regenerate.
	* linux-low.c: Use "gdb_stat.h" header instead of <sys/stat.h> header.
	Use "gdb_wait.h" header instead of <sys/wait.h> header.
	* lynx-low.c: Use "gdb_wait.h" header instead of <sys/wait.h> header.
	* remote-utils.c: Use "gdb_stat.h" header instead of <sys/stat.h>
	header.
	* server.c: Remove HAVE_WAIT_H conditional.  Use "gdb_wait.h" header
	instead of <sys/wait.h> header.
	* spu-low.c: Use "gdb_wait.h" header instead of <sys/wait.h> header.

gdb/common/gdb_wait.h

@@ -0,0 +1,113 @@
+/* Standard wait macros.
+   Copyright (C) 2000, 2007-2012 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef GDB_WAIT_H
+#define GDB_WAIT_H
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h> /* POSIX */
+#else
+#ifdef HAVE_WAIT_H
+#include <wait.h> /* legacy */
+#endif
+#endif
+
+/* Define how to access the int that the wait system call stores.
+   This has been compatible in all Unix systems since time immemorial,
+   but various well-meaning people have defined various different
+   words for the same old bits in the same old int (sometimes claimed
+   to be a struct).  We just know it's an int and we use these macros
+   to access the bits.  */
+
+/* The following macros are defined equivalently to their definitions
+   in POSIX.1.  We fail to define WNOHANG and WUNTRACED, which POSIX.1
+   <sys/wait.h> defines, since our code does not use waitpid() (but
+   NOTE exception for GNU/Linux below).  We also fail to declare
+   wait() and waitpid().  */
+
+#ifndef	WIFEXITED
+#define WIFEXITED(w)	(((w)&0377) == 0)
+#endif
+
+#ifndef	WIFSIGNALED
+#define WIFSIGNALED(w)	(((w)&0377) != 0177 && ((w)&~0377) == 0)
+#endif
+
+#ifndef	WIFSTOPPED
+#ifdef IBM6000
+
+/* Unfortunately, the above comment (about being compatible in all Unix 
+   systems) is not quite correct for AIX, sigh.  And AIX 3.2 can generate
+   status words like 0x57c (sigtrap received after load), and gdb would
+   choke on it.  */
+
+#define WIFSTOPPED(w)	((w)&0x40)
+
+#else
+#define WIFSTOPPED(w)	(((w)&0377) == 0177)
+#endif
+#endif
+
+#ifndef	WEXITSTATUS
+#define WEXITSTATUS(w)	(((w) >> 8) & 0377) /* same as WRETCODE */
+#endif
+
+#ifndef	WTERMSIG
+#define WTERMSIG(w)	((w) & 0177)
+#endif
+
+#ifndef	WSTOPSIG
+#define WSTOPSIG	WEXITSTATUS
+#endif
+
+/* These are not defined in POSIX, but are used by our programs.  */
+
+#ifndef	WSETEXIT
+# ifdef	W_EXITCODE
+#define	WSETEXIT(w,status) ((w) = W_EXITCODE(status,0))
+# else
+#define WSETEXIT(w,status) ((w) = (0 | ((status) << 8)))
+# endif
+#endif
+
+#ifndef	WSETSTOP
+# ifdef	W_STOPCODE
+#define	WSETSTOP(w,sig)    ((w) = W_STOPCODE(sig))
+# else
+#define WSETSTOP(w,sig)	   ((w) = (0177 | ((sig) << 8)))
+# endif
+#endif
+
+/* For native GNU/Linux we may use waitpid and the __WCLONE option.
+  <GRIPE> It is of course dangerous not to use the REAL header file...
+  </GRIPE>.  */
+
+/* Bits in the third argument to `waitpid'.  */
+#ifndef WNOHANG
+#define	WNOHANG		1	/* Don't block waiting.  */
+#endif
+
+#ifndef WUNTRACED
+#define	WUNTRACED	2	/* Report status of stopped children.  */
+#endif
+
+#ifndef __WCLONE
+#define __WCLONE	0x80000000 /* Wait for cloned process.  */
+#endif
+
+#endif