su_port_wait_events() replaces su_port_yield().

darcs-hash:20071005112810-55b16-ead9d1cfa3e32b64bafb0ad827674694f467b89e.gz

When root is created with su_root_create() or cloned with su_clone_start(),
the resulting root is obtained by the calling or created thread,
respectively.

The root can be released with su_root_release() and another thread can
obtain it.

The function su_root_has_thread() can be used to check if a thread has
obtained or released the root.

Implementation upgraded the su_port_own_thread() method as su_port_thread().

darcs-hash:20071005112209-55b16-a77833d930ab3e9d57c52cd32b01eef5507476d3.gz

darcs-hash:20070209144424-55b16-ea65a8d9160569997c137a6c9817c54c3db7219b.gz

su_epoll_port_create() and su_poll_port_create() call
su_default_port_create() if epoll/poll is not available.

Win32 implementation is now created with su_wsaevent_port_create().

darcs-hash:20070209003535-65a35-e02aa5d704fd862c3912bd8e921765aa8ce754f9.gz

su_port: added working port using select(). refactored message box stuff into su_socket_port_t in su_socket_port.c.

darcs-hash:20070208182653-65a35-dcb0a6fe96c73f62c89052f9d1a5e5c10e3dc74b.gz

darcs-hash:20070206215153-16063-fa600da7ff2d41a3e81831e593c2efee31bcff3f.gz

darcs-hash:20070205182921-55b16-ceb6c2e3dd449634ecce6803b38603859d3887d7.gz

There are now two different preferred port implementations: one used with
su_root_create() and another with su_clone_start().

darcs-hash:20070202155042-65a35-90517d7a3f3dbbd7b0ce8c9169a40915d75e139b.gz

Virtualized su_clone_start(), su_clone_wait(), su_task_execute(). Added them
to su_poll_port.c, su_epoll_port.c and su_select_port.c.

darcs-hash:20070201193758-65a35-79d8040b37d1ae02a99a938b5955d1a4a20172c4.gz

Added a few test cases and fixed errors in su_port.c.

darcs-hash:20070126184414-65a35-b3d2a1864afa68cf7511c6b02a1dfef4a89dcb0c.gz

Basic su_port.c implementation using pthreads and poll() is now divided into
three modules: su_base_port.c contains base implementation with su_base_*()
functions, su_pthread_port.c contains pthread-specific implementation and
su_poll_port() contains poll()/epoll()-specific parts. The decomposed
su_port allows implementations on different platforms and usages to share
code as far as possible.

This patch also introduces configure option --disable-poll-port which should
be used on systems with emulated poll, like older *BSD derivatives such as
OS X. Note however that su_select_poll.c is not completed yet.

darcs-hash:20070126155634-65a35-09612536f51f7cd14c33ba42278bc9ed2cee4144.gz