086891e5c119abb9854237fc32e736fe2d67234c |
|
27-Nov-2014 |
Lennart Poettering <lennart@poettering.net> |
log: add an "error" parameter to all low-level logging calls and intrdouce log_error_errno() as log calls that take error numbers
This change has two benefits:
- The format string %m will now resolve to the specified error (or to
errno if the specified error is 0. This allows getting rid of a ton of
strerror() invocations, a function that is not thread-safe.
- The specified error can be passed to the journal in the ERRNO= field.
Now of course, we just need somebody to convert all cases of this:
log_error("Something happened: %s", strerror(-r));
into thus:
log_error_errno(-r, "Something happened: %m"); |