These macros are the preferred method for making log calls. They are simplified versions
of the QNX helpers logging functions.
qh_log() A macro that logs a message along with the originating filename and line number
QH_LOG_CHECK() A macro that checks whether a message with the specified severity would be logged
QH_LOG_DEFAULT_CONTEXT_INIT() A macro that initializes the context whose name is defined by QH_LOG_USER_CONTEXT_NAME
qh_log_linetrace() A macro that logs a debug line trace message along with the originating filename, function, and line number, using the QH_LOG_SEVERITY_DEBUG2 severity level
qh_log_loc() A macro that logs a message along with the originating filename, function, and line number
qh_log_noloc() A macro that logs a message without any associated location information