The function sleep() is missing on mingw 2005 (although it was present in some
older versions of mingw). This provides a substitute.
2007-05-01 Bruno Haible <[EMAIL PROTECTED]>
* modules/sleep: New file.
* lib/sleep.c: New file.
* m4/sleep.m4: New file.
* lib/unistd_.h (sleep): New declaration.
* m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Initialize GNULIB_SLEEP,
HAVE_SLEEP.
* modules/unistd (Makefile.am): Substitute GNULIB_SLEEP, HAVE_SLEEP.
* doc/functions/sleep.texi: Document the sleep module.
============================ modules/sleep =================================
Description:
sleep() function: pause execution of the current thread.
Files:
lib/sleep.c
m4/sleep.m4
Depends-on:
unistd
configure.ac:
gl_FUNC_SLEEP
gl_UNISTD_MODULE_INDICATOR([sleep])
Makefile.am:
Include:
<unistd.h>
License:
LGPL
Maintainer:
Bruno Haible
============================= lib/sleep.c ==================================
/* Pausing execution of the current thread.
Copyright (C) 2007 Free Software Foundation, Inc.
Written by Bruno Haible <[EMAIL PROTECTED]>, 2007.
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. */
#include <config.h>
/* Specification. */
#include <unistd.h>
#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
# define WIN32_LEAN_AND_MEAN /* avoid including junk */
# include <windows.h>
unsigned int
sleep (unsigned int seconds)
{
unsigned int remaining;
/* Sleep for 1 second many times, because
1. Sleep is not interruptiple by Ctrl-C,
2. we want to avoid arithmetic overflow while multiplying with 1000. */
for (remaining = seconds; remaining > 0; remaining--)
Sleep (1000);
return remaining;
}
#else
#error "Please port gnulib sleep.c to your platform, possibly using usleep()
or select(), then report this to bug-gnulib."
#endif
============================= m4/sleep.m4 ==================================
# sleep.m4 serial 1
dnl Copyright (C) 2007 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_FUNC_SLEEP],
[
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_CHECK_FUNCS_ONCE([sleep])
if test $ac_cv_func_sleep = no; then
HAVE_SLEEP=0
AC_LIBOBJ([sleep])
gl_PREREQ_SLEEP
fi
])
# Prerequisites of lib/sleep.c.
AC_DEFUN([gl_PREREQ_SLEEP], [:])
============================================================================
*** doc/functions/sleep.texi 1 May 2007 15:11:39 -0000 1.1
--- doc/functions/sleep.texi 1 May 2007 22:07:32 -0000
***************
*** 4,13 ****
POSIX specification: @url{http://www.opengroup.org/susv3xsh/sleep.html}
! Gnulib module: ---
Portability problems fixed by Gnulib:
@itemize
@end itemize
Portability problems not fixed by Gnulib:
--- 4,16 ----
POSIX specification: @url{http://www.opengroup.org/susv3xsh/sleep.html}
! Gnulib module: sleep
Portability problems fixed by Gnulib:
@itemize
+ @item
+ This function is missing on some platforms:
+ mingw (2005 or newer).
@end itemize
Portability problems not fixed by Gnulib:
*** lib/unistd_.h 27 Apr 2007 17:14:40 -0000 1.6
--- lib/unistd_.h 1 May 2007 22:07:32 -0000
***************
*** 191,196 ****
--- 191,213 ----
#endif
+ #if @GNULIB_SLEEP@
+ /* Pause the execution of the current thread for N seconds.
+ Returns the number of seconds left to sleep.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/sleep.html>. */
+ # if [EMAIL PROTECTED]@
+ extern unsigned int sleep (unsigned int n);
+ # endif
+ #elif defined GNULIB_POSIXCHECK
+ # undef sleep
+ # define sleep(n) \
+ (GL_LINK_WARNING ("sleep is unportable - " \
+ "use gnulib module sleep for portability"), \
+ sleep (n))
+ #endif
+
+
#ifdef __cplusplus
}
#endif
*** m4/unistd_h.m4 19 Feb 2007 02:24:42 -0000 1.5
--- m4/unistd_h.m4 1 May 2007 22:07:32 -0000
***************
*** 1,4 ****
! # unistd_h.m4 serial 5
dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
--- 1,4 ----
! # unistd_h.m4 serial 6
dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
***************
*** 40,49 ****
--- 40,51 ----
GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
+ GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
+ HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
*** modules/unistd 19 Feb 2007 02:24:42 -0000 1.7
--- modules/unistd 1 May 2007 22:07:32 -0000
***************
*** 29,37 ****
--- 29,39 ----
-e 's|@''GNULIB_GETCWD''@|$(GNULIB_GETCWD)|g' \
-e 's|@''GNULIB_GETLOGIN_R''@|$(GNULIB_GETLOGIN_R)|g' \
-e 's|@''GNULIB_READLINK''@|$(GNULIB_READLINK)|g' \
+ -e 's|@''GNULIB_SLEEP''@|$(GNULIB_SLEEP)|g' \
-e 's|@''HAVE_DUP2''@|$(HAVE_DUP2)|g' \
-e 's|@''HAVE_FTRUNCATE''@|$(HAVE_FTRUNCATE)|g' \
-e 's|@''HAVE_READLINK''@|$(HAVE_READLINK)|g' \
+ -e 's|@''HAVE_SLEEP''@|$(HAVE_SLEEP)|g' \
-e 's|@''HAVE_DECL_GETLOGIN_R''@|$(HAVE_DECL_GETLOGIN_R)|g' \
-e 's|@''REPLACE_CHOWN''@|$(REPLACE_CHOWN)|g' \
-e 's|@''REPLACE_FCHDIR''@|$(REPLACE_FCHDIR)|g' \
