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2002-04-14 Ulrich Drepper <drepper@redhat.com> * include/sys/stat.h: Declare __fxstat_internal and __fxstat64_internal and define __fxstate and __fxstat64 macros if not NOT_IN_libc. Remove __lstat and __fstat inline functions. * sysdeps/generic/fxstat.c: Use INTDEF for __fxstat. * sysdeps/mach/hurd/fxstat.c: Likewise. * sysdeps/unix/fxstat.c: Likewise. * sysdeps/unix/sysv/aix/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/ia64/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/fxstat.c: Likewise. * sysdeps/generic/fxstat64.c: Use INTDEF for __fxstat64. * sysdeps/mach/hurd/fxstat64.c: Likewise. * sysdeps/unix/sysv/aix/fxstat64.c: Likewise. * sysdeps/unix/sysv/linux/fxstat64.c: Likewise. * include/unistd.h: Declare __getpid_internal and define __getpid macro if not NOT_IN_libc. * sysdeps/mach/hurd/getpid.c: Use INTDEF for __getpid. * sysdeps/generic/getpid.c: Likewise. * sysdeps/unix/syscalls.list: Add __getpid_internal alias. * include/unistd.h: Declare __getpgid_internal and define __getpgid macro if not NOT_IN_libc. * sysdeps/generic/getpgid.c: Use INTDEF for __getpgid. * sysdeps/mach/hurd/getpgid.c: Likewise. * sysdeps/unix/sysv/aix/getpgid.c: Likewise. * sysdeps/unix/sysv/sysv4/__getpgid.c: Likewise. * sysdeps/unix/sysv/sysv4/getpgid.c: Likewise. * sysdeps/unix/sysv/linux/syscalls.list: Add _getpgid_internal alias. * include/unistd.h: Declare __getpagesize_internal and define __getpagesize macro if not NOT_IN_libc. * sysdeps/unix/sysv/linux/shmat.c: Include <unistd.h> for __getpagesize. * sysdeps/generic/getpagesize.c: Use INTDEF for __getpagesize. * sysdeps/mach/getpagesize.c: Likewise. * sysdeps/posix/getpagesize.c: Likewise. * sysdeps/unix/getpagesize.c: Likewise. * sysdeps/unix/sysv/linux/getpagesize.c: Likewise. * sysdeps/unix/sysv/linux/ia64/getpagesize.c: Likewise. * sysdeps/unix/sysv/linux/m68k/getpagesize.c: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/getpagesize.c: Likewise.
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Copyright (C) 1995,1997,1998,1999,2000,2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <sys/shm.h>
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#include <ipc_priv.h>
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#include <sysdep.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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#include <bp-checks.h>
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/* Attach the shared memory segment associated with SHMID to the data
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segment of the calling process. SHMADDR and SHMFLG determine how
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and where the segment is attached. */
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void *
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shmat (shmid, shmaddr, shmflg)
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int shmid;
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const void *shmaddr;
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int shmflg;
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{
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void *__unbounded result;
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void *__unbounded raddr;
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#if __BOUNDED_POINTERS__
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size_t length = ~0;
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struct shmid_ds shmds;
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/* It's unfortunate that we need to make another system call to get
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the shared memory segment length... */
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if (shmctl (shmid, IPC_STAT, &shmds) == 0)
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length = shmds.shm_segsz;
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#endif
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result = (void *__unbounded) INLINE_SYSCALL (ipc, 5, IPCOP_shmat, shmid, shmflg,
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(long int) __ptrvalue (&raddr),
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__ptrvalue (shmaddr));
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if ((unsigned long) result <= -(unsigned long) SHMLBA)
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result = raddr;
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return BOUNDED_N (result, length);
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}
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