ipc: make the pid filename, the socket filename, and the client library suffix customizable

CMakeLists.txt

@@ -311,6 +311,8 @@ option(XRT_BUILD_DRIVER_SIMULATED "Enable simulated driver" ON)
 
 option(XRT_BUILD_SAMPLES "Enable compiling sample code implementations that will not be linked into any final targets" ON)
 set(XRT_IPC_MSG_SOCK_FILENAME monado_comp_ipc CACHE STRING "Service socket filename")
+set(XRT_IPC_SERVICE_PID_FILENAME monado.pid CACHE STRING "Service pidfile filename")
+set(XRT_OXR_RUNTIME_SUFFIX monado CACHE STRING "OpenXR client library suffix")
 
 # cmake-format: on
 

doc/changes/xrt/mr.1567.md

@@ -0,0 +1,3 @@
+Add `XRT_IPC_SERVICE_PID_FILE_NAME` cmake variable to configure the name of pid file.
+
+Add `XRT_OXR_RUNTIME_SUFFIX` cmake variable to configure the suffix of the output openXR library.

src/xrt/auxiliary/util/u_process.c

@@ -9,11 +9,10 @@
  */
 
 #include "xrt/xrt_config.h"
+#include "xrt/xrt_config_build.h"
 
 #ifdef XRT_OS_LINUX
 
-#define PID_FILE_NAME "monado.pid"
-
 #ifdef XRT_HAVE_LIBBSD
 #include <bsd/libutil.h>
 #endif
@@ -28,7 +27,7 @@
 XRT_MAYBE_UNUSED static inline int
 get_pidfile_path(char *buf)
 {
-	int size = u_file_get_path_in_runtime_dir(PID_FILE_NAME, buf, PATH_MAX);
+	int size = u_file_get_path_in_runtime_dir(XRT_IPC_SERVICE_PID_FILENAME, buf, PATH_MAX);
 	if (size == -1) {
 		U_LOG_W("Failed to determine runtime dir, not creating pidfile");
 		return -1;

src/xrt/include/xrt/xrt_config_build.h.cmake_in

@@ -29,3 +29,4 @@
 #cmakedefine XRT_FEATURE_CLIENT_DEBUG_GUI
 #cmakedefine XRT_FEATURE_WINDOW_PEEK
 #cmakedefine XRT_IPC_MSG_SOCK_FILENAME "@XRT_IPC_MSG_SOCK_FILENAME@"
+#cmakedefine XRT_IPC_SERVICE_PID_FILENAME "@XRT_IPC_SERVICE_PID_FILENAME@"

src/xrt/targets/openxr/CMakeLists.txt

@@ -4,8 +4,7 @@
 ######
 # Create a loadable OpenXR driver.
 
-set(RUNTIME_BARE_SUFFIX monado)
-set(RUNTIME_SUFFIX _${RUNTIME_BARE_SUFFIX})
+set(RUNTIME_SUFFIX _${XRT_OXR_RUNTIME_SUFFIX})
 
 set(RUNTIME_TARGET
     ${RUNTIME_PREFIX}openxr${RUNTIME_SUFFIX}