mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-10-06 05:59:19 +08:00
121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of NVIDIA CORPORATION nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#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>
|
|
#include <iostream>
|
|
#include <stdio.h>
|
|
#include <tchar.h>
|
|
#include <strsafe.h>
|
|
#include <sddl.h>
|
|
#include <aclapi.h>
|
|
#include <winternl.h>
|
|
#else
|
|
#include <stdio.h>
|
|
#include <fcntl.h>
|
|
#include <sys/mman.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <sys/wait.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <memory.h>
|
|
#include <sys/un.h>
|
|
#endif
|
|
#include <vector>
|
|
|
|
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);
|
|
|
|
#define checkIpcErrors(ipcFuncResult) \
|
|
if (ipcFuncResult == -1) { fprintf(stderr, "Failure at %u %s\n", __LINE__, __FILE__); exit(EXIT_FAILURE); }
|
|
|
|
#if defined(__linux__) || defined(__QNX__)
|
|
struct ipcHandle_st {
|
|
int socket;
|
|
char *socketName;
|
|
};
|
|
typedef int ShareableHandle;
|
|
#elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
|
|
struct ipcHandle_st {
|
|
std::vector<HANDLE> hMailslot; // 1 Handle in case of child and `num children` Handles for parent.
|
|
};
|
|
typedef HANDLE ShareableHandle;
|
|
#endif
|
|
|
|
typedef struct ipcHandle_st ipcHandle;
|
|
|
|
int
|
|
ipcCreateSocket(ipcHandle *&handle, const char *name, const std::vector<Process>& processes);
|
|
|
|
int
|
|
ipcOpenSocket(ipcHandle *&handle);
|
|
|
|
int
|
|
ipcCloseSocket(ipcHandle *handle);
|
|
|
|
int
|
|
ipcRecvShareableHandles(ipcHandle *handle, std::vector<ShareableHandle>& shareableHandles);
|
|
|
|
int
|
|
ipcSendShareableHandles(ipcHandle *handle, const std::vector<ShareableHandle>& shareableHandles, const std::vector<Process>& processes);
|
|
|
|
int
|
|
ipcCloseShareableHandle(ShareableHandle shHandle);
|
|
|
|
#endif // HELPER_MULTIPROCESS_H
|