35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
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/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_LINUXFDWALK_H_
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#define WEBRTC_BASE_LINUXFDWALK_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Linux port of SunOS's fdwalk(3) call. It loops over all open file descriptors
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// and calls func on each one. Additionally, it is safe to use from the child
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// of a fork that hasn't exec'ed yet, so you can use it to close all open file
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// descriptors prior to exec'ing a daemon.
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// The return value is 0 if successful, or else -1 and errno is set. The
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// possible errors include any error that can be returned by opendir(),
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// readdir(), or closedir(), plus EBADF if there are problems parsing the
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// contents of /proc/self/fd.
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// The file descriptors that are enumerated will not include the file descriptor
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// used for the enumeration itself.
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int fdwalk(void (*func)(void *, int), void *opaque);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // WEBRTC_BASE_LINUXFDWALK_H_
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