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120 lines
3.8 KiB
120 lines
3.8 KiB
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the name of NVIDIA CORPORATION nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef HELPER_MULTIPROCESS_H |
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#define HELPER_MULTIPROCESS_H |
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) |
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#ifndef WIN32_LEAN_AND_MEAN |
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#define WIN32_LEAN_AND_MEAN |
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#endif |
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#include <windows.h> |
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#include <iostream> |
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#include <stdio.h> |
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#include <tchar.h> |
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#include <strsafe.h> |
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#include <sddl.h> |
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#include <aclapi.h> |
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#include <winternl.h> |
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#else |
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#include <stdio.h> |
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#include <fcntl.h> |
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#include <sys/mman.h> |
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#include <unistd.h> |
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#include <errno.h> |
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#include <sys/wait.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <memory.h> |
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#include <sys/un.h> |
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#endif |
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#include <vector> |
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typedef struct sharedMemoryInfo_st { |
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void *addr; |
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size_t size; |
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) |
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HANDLE shmHandle; |
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#else |
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int shmFd; |
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#endif |
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} sharedMemoryInfo; |
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int sharedMemoryCreate(const char *name, size_t sz, sharedMemoryInfo *info); |
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int sharedMemoryOpen(const char *name, size_t sz, sharedMemoryInfo *info); |
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void sharedMemoryClose(sharedMemoryInfo *info); |
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) |
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typedef PROCESS_INFORMATION Process; |
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#else |
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typedef pid_t Process; |
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#endif |
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int spawnProcess(Process *process, const char *app, char * const *args); |
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int waitProcess(Process *process); |
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#define checkIpcErrors(ipcFuncResult) \ |
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if (ipcFuncResult == -1) { fprintf(stderr, "Failure at %u %s\n", __LINE__, __FILE__); exit(EXIT_FAILURE); } |
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#if defined(__linux__) || defined(__QNX__) |
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struct ipcHandle_st { |
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int socket; |
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char *socketName; |
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}; |
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typedef int ShareableHandle; |
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#elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) |
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struct ipcHandle_st { |
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std::vector<HANDLE> hMailslot; // 1 Handle in case of child and `num children` Handles for parent. |
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}; |
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typedef HANDLE ShareableHandle; |
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#endif |
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typedef struct ipcHandle_st ipcHandle; |
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int |
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ipcCreateSocket(ipcHandle *&handle, const char *name, const std::vector<Process>& processes); |
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int |
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ipcOpenSocket(ipcHandle *&handle); |
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int |
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ipcCloseSocket(ipcHandle *handle); |
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int |
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ipcRecvShareableHandles(ipcHandle *handle, std::vector<ShareableHandle>& shareableHandles); |
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int |
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ipcSendShareableHandles(ipcHandle *handle, const std::vector<ShareableHandle>& shareableHandles, const std::vector<Process>& processes); |
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int |
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ipcCloseShareableHandle(ShareableHandle shHandle); |
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#endif // HELPER_MULTIPROCESS_H
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