Ensure pid_t gets defined.

* m4/fcntl_h.m4 (gl_FCNTL_H): Require AC_TYPE_PID_T.
* m4/sched_h.m4 (gl_SCHED_H): Likewise.
* m4/signal_h.m4 (gl_SIGNAL_H): Likewise.
* m4/spawn_h.m4 (gl_SPAWN_H): Likewise.
* m4/sys_wait_h.m4 (gl_SYS_WAIT_H): Likewise.
* m4/termios_h.m4 (gl_TERMIOS_H): Likewise.
* m4/time_h.m4 (gl_HEADER_TIME_H_BODY): Likewise.
* m4/unistd_h.m4 (gl_UNISTD_H): Likewise.
* tests/test-fcntl-h.c: Check that pid_t is defined.
* tests/test-sched.c: Likewise.
* tests/test-termios.c: Likewise.
* tests/test-time.c: Likewise.
* doc/posix-headers/fcntl.texi: Mention lack of pid_t on MSVC platform.
* doc/posix-headers/signal.texi: Likewise.
* doc/posix-headers/sys_types.texi: Likewise.
* doc/posix-headers/time.texi: Likewise.

8 files changed, 32 insertions, 8 deletions

diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4
index c466da4df5..346315c0b4 100644
--- a/m4/fcntl_h.m4
+++ b/m4/fcntl_h.m4
@@ -1,4 +1,4 @@
-# serial 13
+# serial 14
 # Configure fcntl.h.
 dnl Copyright (C) 2006-2007, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
@@ -13,6 +13,9 @@ AC_DEFUN([gl_FCNTL_H],
   AC_REQUIRE([gl_FCNTL_O_FLAGS])
   gl_NEXT_HEADERS([fcntl.h])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use, if it is not common
   dnl enough to be declared everywhere.
diff --git a/m4/sched_h.m4 b/m4/sched_h.m4
index 9cff891950..e6ff995ffb 100644
--- a/m4/sched_h.m4
+++ b/m4/sched_h.m4
@@ -1,4 +1,4 @@
-# sched_h.m4 serial 4
+# sched_h.m4 serial 5
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -30,6 +30,9 @@ AC_DEFUN([gl_SCHED_H],
        [HAVE_STRUCT_SCHED_PARAM=1], [HAVE_STRUCT_SCHED_PARAM=0],
        [#include <sched.h>])
      AC_SUBST([HAVE_STRUCT_SCHED_PARAM])
+
+     dnl Ensure the type pid_t gets defined.
+     AC_REQUIRE([AC_TYPE_PID_T])
     ])
   AC_SUBST([SCHED_H])
   AM_CONDITIONAL([GL_GENERATE_SCHED_H], [test -n "$SCHED_H"])
diff --git a/m4/signal_h.m4 b/m4/signal_h.m4
index b9536fb0e3..c3f25386ca 100644
--- a/m4/signal_h.m4
+++ b/m4/signal_h.m4
@@ -1,4 +1,4 @@
-# signal_h.m4 serial 16
+# signal_h.m4 serial 17
 dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -17,6 +17,9 @@ AC_DEFUN([gl_SIGNAL_H],
 #include <signal.h>
     ]])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   AC_REQUIRE([AC_TYPE_UID_T])
 
   dnl Persuade glibc <signal.h> to define sighandler_t.
diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4
index 4903b6a4a1..33d30e6e90 100644
--- a/m4/spawn_h.m4
+++ b/m4/spawn_h.m4
@@ -1,4 +1,4 @@
-# spawn_h.m4 serial 13
+# spawn_h.m4 serial 14
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -31,6 +31,9 @@ AC_DEFUN([gl_SPAWN_H],
   fi
   AC_SUBST([HAVE_SPAWN_H])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   AC_REQUIRE([gl_HAVE_POSIX_SPAWN])
 
   AC_REQUIRE([AC_C_RESTRICT])
diff --git a/m4/sys_wait_h.m4 b/m4/sys_wait_h.m4
index e3b147c4fd..7cb76c27c2 100644
--- a/m4/sys_wait_h.m4
+++ b/m4/sys_wait_h.m4
@@ -1,4 +1,4 @@
-# sys_wait_h.m4 serial 5
+# sys_wait_h.m4 serial 6
 dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,6 +11,9 @@ AC_DEFUN([gl_SYS_WAIT_H],
   dnl <sys/wait.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([sys/wait.h])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use.
   gl_WARN_ON_USE_PREPARE([[#include <sys/wait.h>]],
diff --git a/m4/termios_h.m4 b/m4/termios_h.m4
index 2b799efb49..33a2358f61 100644
--- a/m4/termios_h.m4
+++ b/m4/termios_h.m4
@@ -1,4 +1,4 @@
-# termios_h.m4 serial 3
+# termios_h.m4 serial 4
 dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -15,6 +15,9 @@ AC_DEFUN([gl_TERMIOS_H],
     HAVE_TERMIOS_H=0
   fi
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use, and which is not
   dnl guaranteed by C89.
diff --git a/m4/time_h.m4 b/m4/time_h.m4
index 615da1cfd3..6e6394fdc9 100644
--- a/m4/time_h.m4
+++ b/m4/time_h.m4
@@ -2,7 +2,7 @@
 
 # Copyright (C) 2000-2001, 2003-2007, 2009-2011 Free Software Foundation, Inc.
 
-# serial 4
+# serial 5
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -23,6 +23,9 @@ AC_DEFUN([gl_HEADER_TIME_H_BODY],
   AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
   gl_NEXT_HEADERS([time.h])
   AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
+
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
 ])
 
 dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
index fb6fe07726..6483b815d6 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 56
+# unistd_h.m4 serial 57
 dnl Copyright (C) 2006-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -21,6 +21,9 @@ AC_DEFUN([gl_UNISTD_H],
   fi
   AC_SUBST([HAVE_UNISTD_H])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use.
   gl_WARN_ON_USE_PREPARE([[#include <unistd.h>