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Add and update samples with CUDA 10.1 support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| /* Copyright (c) 2018, 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. | ||
| */ | ||
|
|
||
| #include "helper_multiprocess.h" | ||
| #include <cstdlib> | ||
| #include <string> | ||
|
|
||
| int sharedMemoryCreate(const char *name, size_t sz, sharedMemoryInfo *info) | ||
| { | ||
| #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) | ||
| info->size = sz; | ||
| info->shmHandle = CreateFileMapping(INVALID_HANDLE_VALUE, | ||
| NULL, | ||
| PAGE_READWRITE, | ||
| 0, | ||
| (DWORD)sz, | ||
| name); | ||
| if (info->shmHandle == 0) { | ||
| return GetLastError(); | ||
| } | ||
|
|
||
| info->addr = MapViewOfFile(info->shmHandle, FILE_MAP_ALL_ACCESS, 0, 0, sz); | ||
| if (info->addr == NULL) { | ||
| return GetLastError(); | ||
| } | ||
|
|
||
| return 0; | ||
| #else | ||
| int status = 0; | ||
|
|
||
| info->size = sz; | ||
|
|
||
| info->shmFd = shm_open(name, O_RDWR | O_CREAT, 0777); | ||
| if (info->shmFd < 0) { | ||
| return errno; | ||
| } | ||
|
|
||
| status = ftruncate(info->shmFd, sz); | ||
| if (status != 0) { | ||
| return status; | ||
| } | ||
|
|
||
| info->addr = mmap(0, sz, PROT_READ | PROT_WRITE, MAP_SHARED, info->shmFd, 0); | ||
| if (info->addr == NULL) { | ||
| return errno; | ||
| } | ||
|
|
||
| return 0; | ||
| #endif | ||
| } | ||
|
|
||
| int sharedMemoryOpen(const char *name, size_t sz, sharedMemoryInfo *info) | ||
| { | ||
| #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) | ||
| info->size = sz; | ||
|
|
||
| info->shmHandle = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, name); | ||
| if (info->shmHandle == 0) { | ||
| return GetLastError(); | ||
| } | ||
|
|
||
| info->addr = MapViewOfFile(info->shmHandle, FILE_MAP_ALL_ACCESS, 0, 0, sz); | ||
| if (info->addr == NULL) { | ||
| return GetLastError(); | ||
| } | ||
|
|
||
| return 0; | ||
| #else | ||
| info->size = sz; | ||
|
|
||
| info->shmFd = shm_open(name, O_RDWR, 0777); | ||
| if (info->shmFd < 0) { | ||
| return errno; | ||
| } | ||
|
|
||
| info->addr = mmap(0, sz, PROT_READ | PROT_WRITE, MAP_SHARED, info->shmFd, 0); | ||
| if (info->addr == NULL) { | ||
| return errno; | ||
| } | ||
|
|
||
| return 0; | ||
| #endif | ||
| } | ||
|
|
||
| void sharedMemoryClose(sharedMemoryInfo *info) | ||
| { | ||
| #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) | ||
| if (info->addr) { | ||
| UnmapViewOfFile(info->addr); | ||
| } | ||
| if (info->shmHandle) { | ||
| CloseHandle(info->shmHandle); | ||
| } | ||
| #else | ||
| if (info->addr) { | ||
| munmap(info->addr, info->size); | ||
| } | ||
| if (info->shmFd) { | ||
| close(info->shmFd); | ||
| } | ||
| #endif | ||
| } | ||
|
|
||
| int spawnProcess(Process *process, const char *app, char * const *args) | ||
| { | ||
| #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) | ||
| STARTUPINFO si = {0}; | ||
| BOOL status; | ||
| size_t arglen = 0; | ||
| size_t argIdx = 0; | ||
| std::string arg_string; | ||
| memset(process, 0, sizeof(*process)); | ||
|
|
||
| while (*args) { | ||
| arg_string.append(*args).append(1, ' '); | ||
| args++; | ||
| } | ||
|
|
||
| status = CreateProcess(app, LPSTR(arg_string.c_str()), NULL, NULL, FALSE, 0, NULL, NULL, &si, process); | ||
|
|
||
| return status ? 0 : GetLastError(); | ||
| #else | ||
| *process = fork(); | ||
| if (*process == 0) { | ||
| if (0 > execvp(app, args)) { | ||
| return errno; | ||
| } | ||
| } | ||
| else if (*process < 0) { | ||
| return errno; | ||
| } | ||
| return 0; | ||
| #endif | ||
| } | ||
|
|
||
| int waitProcess(Process *process) | ||
| { | ||
| #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) | ||
| DWORD exitCode; | ||
| WaitForSingleObject(process->hProcess, INFINITE); | ||
| GetExitCodeProcess(process->hProcess, &exitCode); | ||
| CloseHandle(process->hProcess); | ||
| CloseHandle(process->hThread); | ||
| return (int)exitCode; | ||
| #else | ||
| int status = 0; | ||
| do { | ||
| if (0 > waitpid(*process, &status, 0)) { | ||
| return errno; | ||
| } | ||
| } while (!WIFEXITED(status)); | ||
| return WEXITSTATUS(status); | ||
| #endif | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* Copyright (c) 2018, 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> | ||
| #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 |
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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