my_host_application_signal.h

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/* Copyright (c) 2018, 2024, Oracle and/or its affiliates.
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.
 
This program is designed to work with certain software (including
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as designated in a particular file or component or in included license
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This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License, version 2.0, for more details.
 
You should have received a copy of the GNU General Public License
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef MY_HOST_APPLICATION_SIGNAL_H
#define MY_HOST_APPLICATION_SIGNAL_H
 
/**
  @file
  Convenience wrappers for @ref mysql_service_host_application_signal_t
 */
 
#include <mysql/components/my_service.h>
#include <mysql/components/services/host_application_signal.h>
 
/**
  Template to simplify sending application signals via the
  @ref mysql_service_host_application_signal_t service.
*/
template <int signal_number, typename arg_type>
bool my_host_application_signal(SERVICE_TYPE(registry) * registry,
                                arg_type argument) {
  const my_service<SERVICE_TYPE(host_application_signal)> host_app(
      "host_application_signal", registry);
 
  return host_app->signal(signal_number, argument);
}
 
/**
  Ease of use utility function to emit the @ref HOST_APPLICATION_SIGNAL_SHUTDOWN
  signal via @ref mysql_service_host_application_signal_t
 
  @sa host_application_signal, mysql_service_host_application_signal_t
 
  @param registry the registry handle to use
  @retval true failure
  @retval false success
*/
inline bool my_host_application_signal_shutdown(SERVICE_TYPE(registry) *
                                                registry) {
  return my_host_application_signal<HOST_APPLICATION_SIGNAL_SHUTDOWN, void *>(
      registry, nullptr);
}
 
#endif /* MY_HOST_APPLICATION_SIGNAL_H */