Normal (i.e. non-recursive) mutexes timed on the monotonic clock are
the most common form of locks used by applications. Allow people to
write more compact code by providing creation calls and static
initializers aimed at building these directly:
- evl_new_mutex(), EVL_MUTEX_INITIALIZER() for PI locks timed on the
monotonic clock.
- evl_new_mutex_any() and EVL_MUTEX_ANY_INITIALIZER() for building any
supported type of lock (normal/recursive), specifying the protocol
(PI/PP) and the base clock.
The EVL shim library mimics the behavior of the original EVL API based
on plain POSIX calls from the native *libc, which does not require the
EVL core to be enabled in the host kernel. It is useful when the
real-time guarantees delivered by the EVL core are not required for
quick prototyping or debugging application code.
Philippe Gerum