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main_loop: Make main_loop_wait() return void

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The last users of main_loop_wait() that cared about the return value
have now been changed to no longer use it. Drop the now-useless return
value and make the function return void.

We avoid the awkwardness of ifdeffery to handle the 'ret'
variable in main_loop_wait() only being wanted if CONFIG_SLIRP
by simply dropping all the ifdefs. There are stub implementations
of slirp_pollfds_poll() and slirp_pollfds_fill() already in
stubs/slirp.c which do nothing, as required.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <1498584769-12439-3-git-send-email-peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Maydell 2017-06-27 18:32:49 +01:00 • committed by Paolo Bonzini
parent be59df797c
commit de5f852f38
2 changed files with 2 additions and 8 deletions
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2
include/qemu/main-loop.h
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@ -79,7 +79,7 @@ int qemu_init_main_loop(Error **errp);
*
* @nonblocking: Whether the caller should block until an event occurs.
*/
int main_loop_wait(int nonblocking);
void main_loop_wait(int nonblocking);
/**
* qemu_get_aio_context: Return the main loop's AioContext