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Merge branch 'master' into cuda_a_dev

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This commit is contained in:
Rob Armstrong
2025-04-09 08:33:37 -07:00
parent d00076a7c1 0345908807
commit 278f4adbd2
24 changed files with 389 additions and 1279 deletions
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31
Samples/3_CUDA_Features/memMapIPCDrv/memMapIpc.cpp
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@@ -310,10 +310,24 @@ static void childProcess(int devId, int id, char **argv)
ipcHandle *ipcChildHandle = NULL;
int blocks = 0;
int threads = 128;
char pidString[20] = {0};
char lshmName[40] = {0};
// Use parent process ID to create a unique shared memory name for Linux multi-process
#ifdef __linux__
pid_t pid;
pid = getppid();
snprintf(pidString, sizeof(pidString), "%d", pid);
#endif
strcat(lshmName, shmName);
strcat(lshmName, pidString);
printf("CP: lshmName = %s\n", lshmName);
checkIpcErrors(ipcOpenSocket(ipcChildHandle));
if (sharedMemoryOpen(shmName, sizeof(shmStruct), &info) != 0) {
if (sharedMemoryOpen(lshmName, sizeof(shmStruct), &info) != 0) {
printf("Failed to create shared memory slab\n");
exit(EXIT_FAILURE);
}
@@ -421,11 +435,24 @@ static void parentProcess(char *app)
volatile shmStruct *shm = NULL;
sharedMemoryInfo info;
std::vector<Process> processes;
char pidString[20] = {0};
char lshmName[40] = {0};
// Use current process ID to create a unique shared memory name for Linux multi-process
#ifdef __linux__
pid_t pid;
pid = getpid();
snprintf(pidString, sizeof(pidString), "%d", pid);
#endif
strcat(lshmName, shmName);
strcat(lshmName, pidString);
printf("PP: lshmName = %s\n", lshmName);
checkCudaErrors(cuDeviceGetCount(&devCount));
std::vector<CUdevice> devices(devCount);
if (sharedMemoryCreate(shmName, sizeof(*shm), &info) != 0) {
if (sharedMemoryCreate(lshmName, sizeof(*shm), &info) != 0) {
printf("Failed to create shared memory slab\n");
exit(EXIT_FAILURE);
}