2008-06-27 Marcus Brinkmann <marcus@g10code.de>

2008-06-27  Marcus Brinkmann  <marcus@g10code.de>

	* gpgme.texi (Cancellation): Document gpgme_cancel_async.

gpgme/
2008-06-27  Marcus Brinkmann  <marcus@g10code.de>

	* context.h: Include "sema.h".
	(struct gpgme_context): New members lock and canceled.
	* gpgme.c (gpgme_new): Initialize lock.
	(gpgme_release): Destroy lock.
	(gpgme_cancel_async): New function.
	* op-support.c (_gpgme_op_reset): Reset the canceled flag.
	* wait-global.c (gpgme_wait): Check cancel flag before processing
	any I/O callbacks.
	* wait-private.c (_gpgme_wait_on_condition): Likewise.
	* wait-user.c (_gpgme_user_io_cb_handler): Likewise.