IOLogv
Log a message to console in text mode, and /var/log/system.log.
Declaration
int IOLogv(const char *format, va_list ap);void IOLogv(const char *format, va_list ap);Parameters
- format:
A printf() style format string (see printf(3) documentation).
- ap:
stdarg(3) style variable arguments.
Discussion
This function allows a driver to log diagnostic information to the screen during verbose boots, and to a log file found at /var/log/system.log. IOLogv should not be called from interrupt context.