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//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
//
#include "qpid/sys/PipeHandle.h"
#include "qpid/sys/posix/check.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
namespace qpid {
namespace sys {
PipeHandle::PipeHandle(bool nonBlocking) {
int pair[2];
pair[0] = pair[1] = -1;
if (socketpair(PF_UNIX, SOCK_STREAM, 0, pair) == -1)
throw qpid::Exception(QPID_MSG("Creation of pipe failed"));
writeFd = pair[0];
readFd = pair[1];
// Set the socket to non-blocking
if (nonBlocking) {
int flags = fcntl(readFd, F_GETFL);
fcntl(readFd, F_SETFL, flags | O_NONBLOCK);
}
}
PipeHandle::~PipeHandle() {
close(readFd);
close(writeFd);
}
int PipeHandle::read(void* buf, size_t bufSize) {
return ::read(readFd,buf,bufSize);
}
int PipeHandle::write(const void* buf, size_t bufSize) {
return ::write(writeFd,buf,bufSize);
}
int PipeHandle::getReadHandle() {
return readFd;
}
}} // namespace qpid::sys
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