/**
 * Copyright 2017-2018 NVIDIA Corporation.  All rights reserved.
 *
 * Please refer to the NVIDIA end user license agreement (EULA) associated
 * with this source code for terms and conditions that govern your use of
 * this software. Any use, reproduction, disclosure, or distribution of
 * this software and related documentation outside the terms of the EULA
 * is strictly prohibited.
 *
 */

#ifndef HELPER_MULTIPROCESS_H
#define HELPER_MULTIPROCESS_H

#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#else
#include <fcntl.h>
#include <sys/mman.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#endif

typedef struct sharedMemoryInfo_st {
    void *addr;
    size_t size;
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
    HANDLE shmHandle;
#else
    int shmFd;
#endif
} sharedMemoryInfo;

int sharedMemoryCreate(const char *name, size_t sz, sharedMemoryInfo *info);

int sharedMemoryOpen(const char *name, size_t sz, sharedMemoryInfo *info);

void sharedMemoryClose(sharedMemoryInfo *info);


#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
typedef PROCESS_INFORMATION Process;
#else
typedef pid_t Process;
#endif

int spawnProcess(Process *process, const char *app, char * const *args);

int waitProcess(Process *process);

#endif // HELPER_MULTIPROCESS_H