Logs the given message using the currently registered debugging handlers.
| category |
category to log |
| level |
level of the message is in |
| file |
the file that emitted the message, usually the __FILE__ identifier |
| function |
the function that emitted the message |
| line |
the line from that the message was emitted, usually __LINE__ |
| object |
the object this message relates to, or NULL if none |
| format |
a printf style format string |
| args |
optional arguments for the format |
