mirror of
https://sourceware.org/git/glibc.git
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5a82c74822
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/* msync -- Synchronize mapped memory to external storage. Mach version.
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Copyright (C) 2002-2019 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 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, see
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<https://www.gnu.org/licenses/>. */
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <errno.h>
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#include <hurd/hurd.h>
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/* Synchronize the region starting at ADDR and extending LEN bytes with the
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file it maps. Filesystem operations on a file being mapped are
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unpredictable before this is done. */
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int
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msync (void *addr, size_t length, int flags)
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{
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boolean_t should_flush = flags & MS_INVALIDATE ? 1 : 0;
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boolean_t should_iosync = flags & MS_ASYNC ? 0 : 1;
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vm_address_t cur = (vm_address_t) addr;
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vm_address_t target = cur + length;
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vm_size_t len;
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vm_prot_t prot;
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vm_prot_t max_prot;
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vm_inherit_t inherit;
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boolean_t shared;
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memory_object_name_t obj;
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vm_offset_t offset;
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kern_return_t err;
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if (flags & (MS_SYNC | MS_ASYNC) == (MS_SYNC | MS_ASYNC))
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return __hurd_fail (EINVAL);
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while (cur < target)
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{
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vm_address_t begin = cur;
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err = __vm_region (__mach_task_self (),
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&begin, &len, &prot, &max_prot, &inherit,
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&shared, &obj, &offset);
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if (err != KERN_SUCCESS)
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return __hurd_fail (err);
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if (begin > cur)
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/* We were given an address before the first region,
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or we found a hole. */
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cur = begin;
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if (cur >= target)
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/* We were given an ending address within a hole. */
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break;
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if (MACH_PORT_VALID (obj))
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{
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vm_size_t sync_len;
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if (begin + len > target)
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sync_len = target - begin;
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else
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sync_len = len;
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err = __vm_object_sync (obj, cur - begin + offset, sync_len,
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should_flush, 1, should_iosync);
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__mach_port_deallocate (__mach_task_self (), obj);
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if (err)
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return __hurd_fail (err);
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}
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cur = begin + len;
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}
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return 0;
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}
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