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104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/* gstdioprivate.h - Private GLib stdio functions
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*
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* Copyright 2017 Руслан Ижбулатов
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This 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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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __G_STDIOPRIVATE_H__
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#define __G_STDIOPRIVATE_H__
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G_BEGIN_DECLS
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#if defined (G_OS_WIN32)
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typedef struct _gtimespec {
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guint64 tv_sec;
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guint32 tv_nsec;
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} gtimespec;
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struct _GWin32PrivateStat
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{
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guint32 volume_serial;
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guint64 file_index;
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guint64 attributes;
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guint64 allocated_size;
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guint32 reparse_tag;
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guint32 st_dev;
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guint32 st_ino;
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guint16 st_mode;
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guint16 st_uid;
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guint16 st_gid;
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guint32 st_nlink;
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guint64 st_size;
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gtimespec st_ctim;
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gtimespec st_atim;
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gtimespec st_mtim;
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};
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typedef struct _GWin32PrivateStat GWin32PrivateStat;
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int g_win32_stat_utf8 (const gchar *filename,
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GWin32PrivateStat *buf);
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int g_win32_lstat_utf8 (const gchar *filename,
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GWin32PrivateStat *buf);
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int g_win32_readlink_utf8 (const gchar *filename,
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gchar *buf,
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gsize buf_size,
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gchar **alloc_buf,
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gboolean terminate);
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int g_win32_fstat (int fd,
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GWin32PrivateStat *buf);
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#endif
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/* The POSIX standard specifies that if close() fails with EINTR the
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* file descriptor may or may not be in fact closed. Since another
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* thread might have already reused the FD if it was in fact closed
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* either a test of FD to ensure that it's closed nor a second
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* call to close() may indicate the wrong FD, so the error must be
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* ignored.
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*
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* However, since Mac OS X 10.5 (Leopard) Apple provides a hidden
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* implementation of close that doesn't allow another thread
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* to cancel the close so it never fails with EINTR.
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*
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* The official way to enable this is to set __DARWIN_NON_CANCELABLE
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* in the build, but that applies to all system calls, not just
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* close(). Following Chromium's example (see
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* https://chromium.googlesource.com/chromium/src/base/+/refs/heads/main/mac/close_nocancel.cc )
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* we choose to expose and use the hidden close variant only.
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*/
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#ifdef __APPLE__
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#include <sys/cdefs.h>
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#include <unistd.h>
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# if !__DARWIN_NON_CANCELABLE
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# if !__DARWIN_ONLY_UNIX_CONFORMANCE
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# define close close$NOCANCEL$UNIX2003
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int close$NOCANCEL$UNIX2003 (int fd);
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# else
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# define close close$NOCANCEL
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int close$NOCANCEL (int fd);
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# endif
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# endif
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#endif
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G_END_DECLS
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#endif /* __G_STDIOPRIVATE_H__ */
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