glibc/sysdeps/mach/hurd/sbrk.c
Roland McGrath d6765f1da6 1998-08-12 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/mach/usleep.c: Include <unistd.h>.
	(usleep): Return void.

1998-08-11  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/generic/if_index.c (struct if_freenameindex): Add forward
	decl to inhibit warning in if_freenameindex defn.

	* sysdeps/mach/hurd/ttyname_r.c (__ttyname_r): Remove unused variable.

	* sysdeps/mach/hurd/getdomain.c (getdomainname): Renamed from __ name.

	* sysdeps/mach/hurd/reboot.c: Include <sys/reboot.h>.
	* sysdeps/mach/hurd/getdents.c: Include <unistd.h>.
	* sysdeps/mach/hurd/sbrk.c: Include <unistd.h>.
	* sysdeps/mach/usleep.c: Likewise.

	* sysdeps/mach/hurd/bind.c (bind): Add a const.

	* sysdeps/mach/hurd/getdents.c (__getdirentries): Use prototype defn.
	* sysdeps/unix/bsd/init-posix.c (__init_posix): Likewise.
	* sysdeps/unix/bsd/times.c (timeval_to_clock_t): Likewise.
	* sysdeps/mach/hurd/reboot.c (reboot): Likewise.
	* sysdeps/mach/usleep.c (usleep): Likewise.
	* sysdeps/mach/hurd/chflags.c (chflags): Likewise.
	* sysdeps/mach/hurd/fchflags.c (fchflags): Likewise.
	* sysdeps/mach/hurd/sbrk.c (__sbrk): Likewise.
	* sysdeps/mach/hurd/stdio_init.c (__stdio_init_stream): Likewise.

1998-08-11  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/generic/glob64.c: Include <sys/types.h>, <glob.h>, <errno.h>.
	(glob64): Fix typo.

	* malloc/malloc.c (free_check, realloc_check): Don't cast to long for
	%p arg to fprintf, since `void *' is the right type already.
1998-08-11 21:52:02 +00:00

43 lines
1.4 KiB
C

/* Copyright (C) 1991, 94, 95, 97, 98 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <hurd.h>
#include <unistd.h>
/* Extend the process's data space by INCREMENT.
If INCREMENT is negative, shrink data space by - INCREMENT.
Return the address of the start of the new data space, or -1 for errors. */
void *
__sbrk (int increment)
{
void *result;
HURD_CRITICAL_BEGIN;
__mutex_lock (&_hurd_brk_lock);
result = (void *) _hurd_brk;
if (increment != 0 && _hurd_set_brk (_hurd_brk + increment) < 0)
result = (void *) -1;
__mutex_unlock (&_hurd_brk_lock);
HURD_CRITICAL_END;
return result;
}
weak_alias (__sbrk, sbrk)