Il 16/07/2012 15:34, Jan Kiszka ha scritto: > On 2012-07-16 15:20, Paolo Bonzini wrote: >> Il 16/07/2012 14:00, Jan Kiszka ha scritto: >>> On 2012-07-16 12:42, Paolo Bonzini wrote: >>>> The new thread pool will use semaphores instead of condition >>>> variables, because QemuCond does not have qemu_cond_timedwait. >>> >>> I'll post an updated patch (according to last round's review comments) >>> that adds this service for POSIX. I bet you'll find a way to extend it >>> to Win32 if that is required. ;) >> >> I can do that (or just use pthreads-win32), but only at the cost of >> making cond_wait() slower and more complex. > > Why will it affect cond_wait? WaitForSingleObject can time out as well.
qemu_cond_wait only uses WaitForSingleObject with INFINITE timeout, and the algorithm relies on that. Paolo