From 5f6d46dfea4fca3121fa4cdc070c33828246c68e Mon Sep 17 00:00:00 2001
From: shawnz <shawnz@nvidia.com>
Date: Mon, 9 Jun 2025 19:49:44 +0800
Subject: [PATCH] Bug 5323018: Update the CMakeLists.txt and
 Common/helper_multiprocess.cpp of ptxjit and memMapIPCDrv for QNX cross build

---
 Common/helper_multiprocess.cpp                     |  8 ++++----
 .../3_CUDA_Features/memMapIPCDrv/CMakeLists.txt    | 14 +++++++++++++-
 Samples/3_CUDA_Features/ptxjit/CMakeLists.txt      |  8 ++++++++
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/Common/helper_multiprocess.cpp b/Common/helper_multiprocess.cpp
index 61fe0855..801b205d 100644
--- a/Common/helper_multiprocess.cpp
+++ b/Common/helper_multiprocess.cpp
@@ -186,7 +186,7 @@ int ipcCreateSocket(ipcHandle *&handle, const char *name,
   }
 
   unlink(name);
-  bzero(&servaddr, sizeof(servaddr));
+  memset(&servaddr, 0, sizeof(servaddr));
   servaddr.sun_family = AF_UNIX;
 
   size_t len = strlen(name);
@@ -220,7 +220,7 @@ int ipcOpenSocket(ipcHandle *&handle) {
     return -1;
   }
 
-  bzero(&cliaddr, sizeof(cliaddr));
+  memset(&cliaddr, 0, sizeof(cliaddr));
   cliaddr.sun_family = AF_UNIX;
   char temp[10];
 
@@ -326,7 +326,7 @@ int ipcSendDataToServer(ipcHandle *handle, const char *serverName,
   ssize_t sendResult;
   struct sockaddr_un serveraddr;
 
-  bzero(&serveraddr, sizeof(serveraddr));
+  memset(&serveraddr, 0, sizeof(serveraddr));
   serveraddr.sun_family = AF_UNIX;
   strncpy(serveraddr.sun_path, serverName, sizeof(serveraddr.sun_path) - 1);
 
@@ -359,7 +359,7 @@ int ipcSendShareableHandle(ipcHandle *handle,
   socklen_t len = sizeof(cliaddr);
 
   // Construct client address to send this SHareable handle to
-  bzero(&cliaddr, sizeof(cliaddr));
+  memset(&cliaddr, 0, sizeof(cliaddr));
   cliaddr.sun_family = AF_UNIX;
   char temp[10];
   sprintf(temp, "%u", process);
diff --git a/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt b/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt
index 5e6c54bd..ce04a08e 100644
--- a/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt
+++ b/Samples/3_CUDA_Features/memMapIPCDrv/CMakeLists.txt
@@ -37,13 +37,25 @@ target_link_libraries(memMapIPCDrv PUBLIC
     CUDA::cuda_driver
 )
 
-if(UNIX)
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     target_link_libraries(memMapIPCDrv PUBLIC rt)
 endif()
 
+if(${CMAKE_SYSTEM_NAME} STREQUAL "QNX")
+    target_link_libraries(memMapIPCDrv PUBLIC socket)
+endif()
+
 set(CUDA_PTX_FILE "${CMAKE_CURRENT_BINARY_DIR}/memMapIpc_kernel64.ptx")
 set(CUDA_KERNEL_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/memMapIpc_kernel.cu")
 
+if(CMAKE_SYSTEM_NAME STREQUAL "QNX")
+    set(INCLUDES_LIST)
+    foreach(dir ${CUDAToolkit_INCLUDE_DIRS})
+        list(APPEND INCLUDES_LIST "-I${dir}") 
+    endforeach()
+    string(JOIN " " INCLUDES "${INCLUDES_LIST}")
+endif()
+
 add_custom_command(
     OUTPUT ${CUDA_PTX_FILE}
     COMMAND ${CMAKE_CUDA_COMPILER} ${INCLUDES} ${ALL_CCFLAGS} -Wno-deprecated-gpu-targets -o ${CUDA_PTX_FILE} -ptx ${CUDA_KERNEL_SOURCE}
diff --git a/Samples/3_CUDA_Features/ptxjit/CMakeLists.txt b/Samples/3_CUDA_Features/ptxjit/CMakeLists.txt
index ea1de621..ea9e305f 100644
--- a/Samples/3_CUDA_Features/ptxjit/CMakeLists.txt
+++ b/Samples/3_CUDA_Features/ptxjit/CMakeLists.txt
@@ -41,6 +41,14 @@ target_link_libraries(ptxjit PUBLIC
 set(CUDA_PTX_FILE "${CMAKE_CURRENT_BINARY_DIR}/ptxjit_kernel64.ptx")
 set(CUDA_KERNEL_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/ptxjit_kernel.cu")
 
+if(CMAKE_SYSTEM_NAME STREQUAL "QNX")
+    set(INCLUDES_LIST)
+    foreach(dir ${CUDAToolkit_INCLUDE_DIRS})
+        list(APPEND INCLUDES_LIST "-I${dir}") 
+    endforeach()
+    string(JOIN " " INCLUDES "${INCLUDES_LIST}")
+endif()
+
 add_custom_command(
     OUTPUT ${CUDA_PTX_FILE}
     COMMAND ${CMAKE_CUDA_COMPILER} ${INCLUDES} ${ALL_CCFLAGS} -Wno-deprecated-gpu-targets -o ${CUDA_PTX_FILE} -ptx ${CUDA_KERNEL_SOURCE}