decorate functions that do not return

modules/libcom/src/misc/cantProceed.h

@@ -43,7 +43,8 @@ extern "C" {
  * \param errorMessage A printf-style error message describing the error.
  * \param ... Any parameters required for the error message.
  */
-LIBCOM_API void cantProceed(
+LIBCOM_API EPICS_NORETURN
+void cantProceed(
     EPICS_PRINTF_FMT(const char *errorMessage), ...
 ) EPICS_PRINTF_STYLE(1,2);
 

modules/libcom/src/misc/epicsExit.h

@@ -23,6 +23,7 @@
 #ifndef epicsExith
 #define epicsExith
 #include <libComAPI.h>
+#include "compilerDependencies.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -38,7 +39,8 @@ typedef void (*epicsExitFunc)(void *arg);
  * \brief Calls epicsExitCallAtExits(), then the OS exit() routine.
  * \param status Passed to exit()
  */
-LIBCOM_API void epicsExit(int status);
+LIBCOM_API EPICS_NORETURN
+void epicsExit(int status);
 /**
  * \brief Arrange to call epicsExit() later from a low priority thread.
  *

modules/libcom/src/misc/epicsUnitTest.h

@@ -223,7 +223,8 @@ LIBCOM_API void testTodoEnd(void);
  * \param fmt A printf-style format string giving the reason for stopping.
  * \param ... Any parameters required for the format string.
  */
-LIBCOM_API void testAbort(EPICS_PRINTF_FMT(const char *fmt), ...)
+LIBCOM_API EPICS_NORETURN
+void testAbort(EPICS_PRINTF_FMT(const char *fmt), ...)
     EPICS_PRINTF_STYLE(1, 2);
 /** @} */