sigfn.h

Go to the documentation of this file.

/*
 * Copyright 2024 Maxtek Consulting
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#ifndef SIGFN_H
#define SIGFN_H
 
#include <stdint.h>
#include <stdlib.h>
#include <signal.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#ifdef _WIN32
#define DLL_EXPORT __declspec(dllexport)
    struct timeval
    {
        uint64_t tv_sec;
        uint64_t tv_usec;
    };
#else
#define DLL_EXPORT
#include <sys/time.h>
#endif
 
    typedef void (*sigfn_handler_func)(int signum, void *userdata);
 
    DLL_EXPORT int sigfn_handle(int signum, sigfn_handler_func handler, void *userdata);
 
    DLL_EXPORT int sigfn_ignore(int signum);
 
    DLL_EXPORT int sigfn_reset(int signum);
 
    DLL_EXPORT int sigfn_wait(const int *signums, size_t count, int *received);
 
    DLL_EXPORT int sigfn_wait_for(const int *signums, size_t count, int *received, const struct timeval *timeout);
 
    DLL_EXPORT int sigfn_wait_until(const int *signums, size_t count, int *received, const struct timeval *deadline);
 
    DLL_EXPORT const char *sigfn_error();
 
#ifdef __cplusplus
}
#endif
 
#endif