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The new thread pool will use semaphores instead of condition
variables, because QemuCond does not have qemu_cond_timedwait.
(I also like it more this way).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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On Windows, cpus.c needs access to the hThread. Add a Windows-specific
function to grab it. This requires changing the CPU threads to
joinable. There is no substantial change because the threads run
in an infinite loop.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Rewrite the handshaking between qemu_thread_create and the
win32_start_routine, so that the thread can be joined without races.
Similar handshaking is done now between qemu_thread_exit and
qemu_thread_join.
This also simplifies how QemuThreads are initialized.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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For now, qemu_cond_timedwait and qemu_mutex_timedlock are left as
POSIX-only functions. They can be removed later, once the patches
that remove their uses are in.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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