--- /dev/null
+/* A POSIX-like <sys/wait.h>.
+ Copyright (C) 2001-2003, 2005-2008 Free Software Foundation, Inc.
+
+ 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 2, 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, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+
+#ifndef _GL_SYS_WAIT_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+/* The include_next requires a split double-inclusion guard. */
+#if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
+# @INCLUDE_NEXT@ @NEXT_SYS_WAIT_H@
+#endif
+
+#ifndef _GL_SYS_WAIT_H
+#define _GL_SYS_WAIT_H
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+#if !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
+/* Unix API. */
+
+/* The following macros apply to an argument x, that is a status of a process,
+ as returned by waitpid().
+ On nearly all systems, including Linux/x86, WEXITSTATUS are bits 15..8 and
+ WTERMSIG are bits 7..0, while BeOS uses the opposite. Therefore programs
+ have to use the abstract macros. */
+
+/* For valid x, exactly one of WIFSIGNALED(x), WIFEXITED(x), WIFSTOPPED(x)
+ is true. */
+# ifndef WIFSIGNALED
+# define WIFSIGNALED(x) (WTERMSIG (x) != 0 && WTERMSIG(x) != 0x7f)
+# endif
+# ifndef WIFEXITED
+# define WIFEXITED(x) (WTERMSIG (x) == 0)
+# endif
+# ifndef WIFSTOPPED
+# define WIFSTOPPED(x) (WTERMSIG (x) == 0x7f)
+# endif
+
+/* The termination signal. Only to be accessed if WIFSIGNALED(x) is true. */
+# ifndef WTERMSIG
+# define WTERMSIG(x) ((x) & 0x7f)
+# endif
+
+/* The exit status. Only to be accessed if WIFEXITED(x) is true. */
+# ifndef WEXITSTATUS
+# define WEXITSTATUS(x) (((x) >> 8) & 0xff)
+# endif
+
+/* True if the process dumped core. Not standardized by POSIX. */
+# ifndef WCOREDUMP
+# define WCOREDUMP(x) ((x) & 0x80)
+# endif
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+/* Declarations of functions. */
+
+# ifdef __cplusplus
+}
+# endif
+
+#else
+/* Native Windows API. */
+
+# include <process.h>
+
+# define waitpid(pid,statusp,options) _cwait (statusp, pid, WAIT_CHILD)
+
+/* The following macros apply to an argument x, that is a status of a process,
+ as returned by waitpid() or, equivalently, _cwait() or GetExitCodeProcess().
+ This value is simply an 'int', not composed of bit fields. */
+
+/* When an unhandled fatal signal terminates a process, the exit code is 3. */
+# define WIFSIGNALED(x) ((x) == 3)
+# define WIFEXITED(x) ((x) != 3)
+# define WIFSTOPPED(x) 0
+
+/* The signal that terminated a process is not known posthum. */
+# define WTERMSIG(x) SIGTERM
+
+# define WEXITSTATUS(x) (x)
+
+/* There are no core dumps. */
+# define WCOREDUMP(x) 0
+
+#endif
+
+#endif /* _GL_SYS_WAIT_H */
+#endif /* _GL_SYS_WAIT_H */
--- /dev/null
+# sys_wait_h.m4 serial 1
+dnl Copyright (C) 2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_SYS_WAIT_H],
+[
+ AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])
+
+ gl_CHECK_NEXT_HEADERS([sys/wait.h])
+ SYS_WAIT_H='sys/wait.h'
+ AC_SUBST([SYS_WAIT_H])
+])
+
+AC_DEFUN([gl_SYS_WAIT_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_SYS_WAIT_H_DEFAULTS],
+[
+ dnl Assume proper GNU behavior unless another module says otherwise.
+])
--- /dev/null
+Description:
+A <sys/wait.h> for systems with missing declarations.
+
+Files:
+lib/sys_wait.in.h
+m4/sys_wait_h.m4
+
+Depends-on:
+include_next
+link-warning
+
+configure.ac:
+gl_SYS_WAIT_H
+AC_PROG_MKDIR_P
+
+Makefile.am:
+BUILT_SOURCES += $(SYS_WAIT_H)
+
+# We need the following in order to create <sys/wait.h> when the system
+# has one that is incomplete.
+sys/wait.h: sys_wait.in.h
+ @MKDIR_P@ sys
+ rm -f $@-t $@
+ { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+ sed -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+ -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+ -e 's|@''NEXT_SYS_WAIT_H''@|$(NEXT_SYS_WAIT_H)|g' \
+ -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
+ < $(srcdir)/sys_wait.in.h; \
+ } > $@-t
+ mv $@-t $@
+MOSTLYCLEANFILES += sys/wait.h sys/wait.h-t
+MOSTLYCLEANDIRS += sys
+
+Include:
+#include <sys/wait.h>
+
+License:
+LGPLv2+
+
+Maintainer:
+Bruno Haible