2 * nghttp2 - HTTP/2 C Library
4 * Copyright (c) 2012 Tatsuhiro Tsujikawa
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #ifndef SHRPX_IO_CONTROL_H
26 #define SHRPX_IO_CONTROL_H
34 #include "shrpx_rate_limit.h"
38 enum IOCtrlReason { SHRPX_NO_BUFFER = 1 << 0, SHRPX_MSG_BLOCK = 1 << 1 };
42 IOControl(RateLimit *lim);
44 void pause_read(IOCtrlReason reason);
45 // Returns true if read operation is enabled after this call
46 bool resume_read(IOCtrlReason reason);
47 // Clear all pause flags and enable read
48 void force_resume_read();
57 #endif // SHRPX_IO_CONTROL_H