/usr/include/zctx.h is in libczmq-dev 3.0.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 | /* =========================================================================
zctx - working with 0MQ contexts
Copyright (c) the Contributors as noted in the AUTHORS file.
This file is part of CZMQ, the high-level C binding for 0MQ:
http://czmq.zeromq.org.
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
=========================================================================
*/
#ifndef __ZCTX_H_INCLUDED__
#define __ZCTX_H_INCLUDED__
#ifdef __cplusplus
extern "C" {
#endif
// @interface
// Create new context, returns context object, replaces zmq_init
CZMQ_EXPORT zctx_t *
zctx_new (void);
// Destroy context and all sockets in it, replaces zmq_term
CZMQ_EXPORT void
zctx_destroy (zctx_t **self_p);
// Create new shadow context, returns context object
CZMQ_EXPORT zctx_t *
zctx_shadow (zctx_t *self);
// @end
// Create a new context by shadowing a plain zmq context
CZMQ_EXPORT zctx_t *
zctx_shadow_zmq_ctx (void *zmqctx);
// @interface
// Raise default I/O threads from 1, for crazy heavy applications
// The rule of thumb is one I/O thread per gigabyte of traffic in
// or out. Call this method before creating any sockets on the context,
// or calling zctx_shadow, or the setting will have no effect.
CZMQ_EXPORT void
zctx_set_iothreads (zctx_t *self, int iothreads);
// Set msecs to flush sockets when closing them, see the ZMQ_LINGER
// man page section for more details. By default, set to zero, so
// any in-transit messages are discarded when you destroy a socket or
// a context.
CZMQ_EXPORT void
zctx_set_linger (zctx_t *self, int linger);
// Set initial high-water mark for inter-thread pipe sockets. Note that
// this setting is separate from the default for normal sockets. You
// should change the default for pipe sockets *with care*. Too low values
// will cause blocked threads, and an infinite setting can cause memory
// exhaustion. The default, no matter the underlying ZeroMQ version, is
// 1,000.
CZMQ_EXPORT void
zctx_set_pipehwm (zctx_t *self, int pipehwm);
// Set initial send HWM for all new normal sockets created in context.
// You can set this per-socket after the socket is created.
// The default, no matter the underlying ZeroMQ version, is 1,000.
CZMQ_EXPORT void
zctx_set_sndhwm (zctx_t *self, int sndhwm);
// Set initial receive HWM for all new normal sockets created in context.
// You can set this per-socket after the socket is created.
// The default, no matter the underlying ZeroMQ version, is 1,000.
CZMQ_EXPORT void
zctx_set_rcvhwm (zctx_t *self, int rcvhwm);
// Return low-level 0MQ context object, will be NULL before first socket
// is created. Use with care.
CZMQ_EXPORT void *
zctx_underlying (zctx_t *self);
// Self test of this class
CZMQ_EXPORT void
zctx_test (bool verbose);
// @end
// Create socket within this context, for CZMQ use only
void *
zctx__socket_new (zctx_t *self, int type);
// Create pipe socket within this context, for CZMQ use only
void *
zctx__socket_pipe (zctx_t *self);
// Destroy socket within this context, for CZMQ use only
void
zctx__socket_destroy (zctx_t *self, void *socket);
// Initialize the low-level 0MQ context object, for CZMQ use only
void
zctx__initialize_underlying(zctx_t *self);
// @end
#ifdef __cplusplus
}
#endif
#endif
|