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qemu: introduce lock/unlock_iothread (Marcelo Tosatti) 

Hook to allow iothread to drop the global mutex.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7244 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-04-24 18:03:49 +00:00
parent 8edac960a7
commit 4870852c9e
1 changed files with 5 additions and 0 deletions
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5
vl.c
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@ -3750,6 +3750,9 @@ void qemu_cpu_kick(void *env)
return;
}
#define qemu_mutex_lock_iothread() do { } while (0)
#define qemu_mutex_unlock_iothread() do { } while (0)
#ifdef _WIN32
static void host_main_loop_wait(int *timeout)
{
@ -3842,7 +3845,9 @@ void main_loop_wait(int timeout)
slirp_select_fill(&nfds, &rfds, &wfds, &xfds);
}
#endif
qemu_mutex_unlock_iothread();
ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv);
qemu_mutex_lock_iothread();
if (ret > 0) {
IOHandlerRecord **pioh;