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* 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.
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Copyright (C) 1991, 94, 95, 97, 98 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <hurd.h>
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#include <unistd.h>
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/* Extend the process's data space by INCREMENT.
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If INCREMENT is negative, shrink data space by - INCREMENT.
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Return the address of the start of the new data space, or -1 for errors. */
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void *
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__sbrk (int increment)
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{
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void *result;
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HURD_CRITICAL_BEGIN;
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__mutex_lock (&_hurd_brk_lock);
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result = (void *) _hurd_brk;
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if (increment != 0 && _hurd_set_brk (_hurd_brk + increment) < 0)
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result = (void *) -1;
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__mutex_unlock (&_hurd_brk_lock);
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HURD_CRITICAL_END;
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return result;
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}
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weak_alias (__sbrk, sbrk)
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