rdb e04ddbef9a pipeline: fix multithreaded render pipeline deadlock ... This deadlock happens when another thread holds a cycler lock and then attempts to call Pipeline::remove_cycler() while Pipeline::cycle() is running on the main thread. The fix for this problem is threefold: * Allow remove_cycler (and add_cycler) to be called while a cycle is in progress, by introducing a second lock * Let cycle() not block if a dirty cycler can't be locked, instead trying other cyclers first * Adding a way to let remove_cycler() check whether a cycler is currently in use by the main thread, and yielding if so More information is on https://github.com/panda3d/panda3d/issues/217 Fixes #217 (also see LP 1186880)		2017-12-27 22:59:38 +01:00
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metalibs	Changes to help with static build, allow linking OpenAL statically	2016-04-29 19:54:24 +02:00
src	pipeline: fix multithreaded render pipeline deadlock	2017-12-27 22:59:38 +01:00