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e886237af5
The O_NONBLOCK flag doesn't work as desired on plain files or block devices. Introduce an I/O helper program that does the blocking I/O operations, communicating over a pipe that can support O_NONBLOCK * src/fdstream.c, src/fdstream.h: Add non-blocking I/O on plain files/block devices * src/Makefile.am, src/util/iohelper.c: I/O helper program * src/qemu/qemu_driver.c, src/lxc/lxc_driver.c, src/uml/uml_driver.c, src/xen/xen_driver.c: Update for streams API change
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/*
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* fdstream.h: generic streams impl for file descriptors
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*
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* Copyright (C) 2009-2010 Red Hat, Inc.
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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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __VIR_FDSTREAM_H_
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# define __VIR_FDSTREAM_H_
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# include "internal.h"
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# include "command.h"
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int virFDStreamOpen(virStreamPtr st,
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int fd);
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int virFDStreamConnectUNIX(virStreamPtr st,
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const char *path,
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bool abstract);
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int virFDStreamOpenFile(virStreamPtr st,
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const char *path,
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unsigned long long offset,
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unsigned long long length,
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int flags);
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int virFDStreamCreateFile(virStreamPtr st,
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const char *path,
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unsigned long long offset,
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unsigned long long length,
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int flags,
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mode_t mode);
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#endif /* __VIR_FDSTREAM_H_ */
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