system/fd_util: remove unused library
This commit is contained in:
Max Kellermann
parent
7a4457402f
commit
33b4114534
@ -497,7 +497,6 @@ libsystem_a_SOURCES = \
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src/system/FatalError.cxx src/system/FatalError.hxx \
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src/system/FileDescriptor.cxx src/system/FileDescriptor.hxx \
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src/system/UniqueFileDescriptor.hxx \
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src/system/fd_util.c src/system/fd_util.h \
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src/system/EventPipe.cxx src/system/EventPipe.hxx \
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src/system/EventFD.cxx src/system/EventFD.hxx \
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src/system/SignalFD.cxx src/system/SignalFD.hxx \
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@ -22,7 +22,6 @@
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#include "ClientList.hxx"
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#include "Partition.hxx"
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#include "Instance.hxx"
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#include "system/fd_util.h"
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#include "net/UniqueSocketDescriptor.hxx"
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#include "net/SocketAddress.hxx"
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#include "net/ToString.hxx"
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@ -29,7 +29,6 @@
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#include "net/Resolver.hxx"
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#include "net/ToString.hxx"
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#include "event/SocketMonitor.hxx"
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#include "system/fd_util.h"
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#include "fs/AllocatedPath.hxx"
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#include "fs/FileSystem.hxx"
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#include "util/RuntimeError.hxx"
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@ -20,7 +20,6 @@
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#include "config.h"
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#include "SocketMonitor.hxx"
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#include "Loop.hxx"
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#include "system/fd_util.h"
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#include <assert.h>
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@ -30,7 +30,6 @@
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#include "net/ToString.hxx"
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#include "Page.hxx"
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#include "IcyMetaDataServer.hxx"
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#include "system/fd_util.h"
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#include "event/Call.hxx"
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#include "util/RuntimeError.hxx"
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#include "util/Domain.hxx"
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@ -1,133 +0,0 @@
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/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h" /* must be first for large file support */
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#include "fd_util.h"
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#include <assert.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#ifdef WIN32
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#include <ws2tcpip.h>
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#endif
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#ifdef USE_EVENTFD
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#include <sys/eventfd.h>
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#endif
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#ifndef WIN32
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static int
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fd_mask_flags(int fd, int and_mask, int xor_mask)
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{
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assert(fd >= 0);
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const int old_flags = fcntl(fd, F_GETFD, 0);
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if (old_flags < 0)
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return old_flags;
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const int new_flags = (old_flags & and_mask) ^ xor_mask;
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if (new_flags == old_flags)
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return old_flags;
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return fcntl(fd, F_SETFD, new_flags);
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}
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#endif /* !WIN32 */
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int
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fd_set_cloexec(int fd, bool enable)
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{
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#ifndef WIN32
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return fd_mask_flags(fd, ~FD_CLOEXEC, enable ? FD_CLOEXEC : 0);
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#else
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(void)fd;
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(void)enable;
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return 0;
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#endif
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}
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#ifndef WIN32
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/**
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* Enables non-blocking mode for the specified file descriptor. On
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* WIN32, this function only works for sockets.
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*/
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static int
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fd_set_nonblock(int fd)
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{
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#ifdef WIN32
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u_long val = 1;
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return ioctlsocket(fd, FIONBIO, &val);
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#else
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int flags;
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assert(fd >= 0);
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flags = fcntl(fd, F_GETFL);
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if (flags < 0)
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return flags;
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return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
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#endif
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}
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#endif
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int
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pipe_cloexec_nonblock(int fd[2])
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{
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#ifdef WIN32
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return _pipe(fd, 512, _O_BINARY);
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#else
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int ret;
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#ifdef HAVE_PIPE2
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ret = pipe2(fd, O_CLOEXEC|O_NONBLOCK);
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if (ret >= 0 || errno != ENOSYS)
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return ret;
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#endif
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ret = pipe(fd);
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if (ret >= 0) {
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fd_set_cloexec(fd[0], true);
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fd_set_cloexec(fd[1], true);
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fd_set_nonblock(fd[0]);
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fd_set_nonblock(fd[1]);
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}
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return ret;
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#endif
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}
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@ -1,71 +0,0 @@
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/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This library provides easy helper functions for working with file
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* descriptors. It has wrappers for taking advantage of Linux 2.6
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* specific features like O_CLOEXEC.
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*
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*/
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#ifndef FD_UTIL_H
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#define FD_UTIL_H
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#include "check.h"
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#include <stdbool.h>
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#include <stddef.h>
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#ifndef WIN32
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#include <sys/types.h>
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#endif
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struct sockaddr;
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#ifdef __cplusplus
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extern "C" {
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#endif
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int
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fd_set_cloexec(int fd, bool enable);
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/**
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* Wrapper for pipe(), which sets the CLOEXEC flag (atomically if
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* supported by the OS).
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*
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* On systems that supports it (everybody except for Windows), it also
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* sets the NONBLOCK flag.
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*/
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int
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pipe_cloexec_nonblock(int fd[2]);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif
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