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Man Pages
ZTIMERSET(3) CZMQ Manual ZTIMERSET(3)

ztimerset - Class for timer set

//  This is a draft class, and may change without notice. It is disabled in
//  stable builds by default. If you use this in applications, please ask
//  for it to be pushed to stable state. Use --enable-drafts to enable.
#ifdef CZMQ_BUILD_DRAFT_API
// Callback function for timer event.
typedef void (ztimerset_fn) (
    int timer_id, void *arg);
// *** Draft method, for development use, may change without warning *** // Create new timer set. CZMQ_EXPORT ztimerset_t * ztimerset_new (void);
// *** Draft method, for development use, may change without warning *** // Destroy a timer set CZMQ_EXPORT void ztimerset_destroy (ztimerset_t **self_p);
// *** Draft method, for development use, may change without warning *** // Add a timer to the set. Returns timer id if OK, -1 on failure. CZMQ_EXPORT int ztimerset_add (ztimerset_t *self, size_t interval, ztimerset_fn handler, void *arg);
// *** Draft method, for development use, may change without warning *** // Cancel a timer. Returns 0 if OK, -1 on failure. CZMQ_EXPORT int ztimerset_cancel (ztimerset_t *self, int timer_id);
// *** Draft method, for development use, may change without warning *** // Set timer interval. Returns 0 if OK, -1 on failure. // This method is slow, canceling the timer and adding a new one yield better performance. CZMQ_EXPORT int ztimerset_set_interval (ztimerset_t *self, int timer_id, size_t interval);
// *** Draft method, for development use, may change without warning *** // Reset timer to start interval counting from current time. Returns 0 if OK, -1 on failure. // This method is slow, canceling the timer and adding a new one yield better performance. CZMQ_EXPORT int ztimerset_reset (ztimerset_t *self, int timer_id);
// *** Draft method, for development use, may change without warning *** // Return the time until the next interval. // Should be used as timeout parameter for the zpoller wait method. // The timeout is in msec. CZMQ_EXPORT int ztimerset_timeout (ztimerset_t *self);
// *** Draft method, for development use, may change without warning *** // Invoke callback function of all timers which their interval has elapsed. // Should be call after zpoller wait method. // Returns 0 if OK, -1 on failure. CZMQ_EXPORT int ztimerset_execute (ztimerset_t *self);
// *** Draft method, for development use, may change without warning *** // Self test of this class. CZMQ_EXPORT void ztimerset_test (bool verbose);
#endif // CZMQ_BUILD_DRAFT_API Please add '@interface' section in './../src/ztimerset.c'.

ztimerset - timer set
Please add @discuss section in ./../src/ztimerset.c.

From ztimerset_test method.
//  Simple create/destroy test
ztimerset_t *self = ztimerset_new ();
assert (self);
// Adding timer bool timer_invoked = false; int timer_id = ztimerset_add (self, 100, handler, &timer_invoked); assert (timer_id != -1); int rc = ztimerset_execute (self); assert (rc == 0); assert (!timer_invoked); int timeout = ztimerset_timeout (self); assert (timeout > 0); zclock_sleep (timeout); rc = ztimerset_execute (self); assert (rc == 0); assert (timer_invoked);
// Cancel timer timeout = ztimerset_timeout (self); assert (timeout > 0); rc = ztimerset_cancel (self, timer_id); assert (rc == 0); timeout = ztimerset_timeout (self); assert(timeout == -1);
// Reset a timer timer_id = ztimerset_add (self, 100, handler, &timer_invoked); assert (timer_id != -1); timeout = ztimerset_timeout (self); assert (timeout > 0); zclock_sleep (timeout / 2); timeout = ztimerset_timeout (self); rc = ztimerset_reset(self, timer_id); assert (rc == 0); int timeout2 = ztimerset_timeout (self); assert (timeout2 > timeout); rc = ztimerset_cancel (self, timer_id); assert (rc == 0);
// Set interval timer_id = ztimerset_add (self, 100, handler, &timer_invoked); assert (timer_id != -1); timeout = ztimerset_timeout (self); rc = ztimerset_set_interval(self, timer_id, 200); timeout2 = ztimerset_timeout (self); assert (timeout2 > timeout);
ztimerset_destroy (&self);
#if defined (__WINDOWS__) zsys_shutdown(); #endif

The czmq manual was written by the authors in the AUTHORS file.

Main web site:
Report bugs to the email < zeromq-dev@lists.zeromq.org[1]>

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/. LICENSE included with the czmq distribution.

1.
zeromq-dev@lists.zeromq.org
mailto:zeromq-dev@lists.zeromq.org
01/02/2019 CZMQ 4.1.1

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