motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

async: remove unnecessary inc/dec pairs

Browse source 
Pull the increment/decrement pair out of aio_bh_poll and into the
callers.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170213135235.12274-18-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-02-13 14:52:34 +01:00 • committed by Stefan Hajnoczi
parent a153bf52b3
commit bd451435c0
3 changed files with 13 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

8
util/aio-win32.c
View file

@ -253,8 +253,6 @@ static bool aio_dispatch_handlers(AioContext *ctx, HANDLE event)
bool progress = false;
AioHandler *tmp;
qemu_lockcnt_inc(&ctx->list_lock);
/*
* We have to walk very carefully in case aio_set_fd_handler is
* called while we're walking.
@ -305,14 +303,15 @@ static bool aio_dispatch_handlers(AioContext *ctx, HANDLE event)
}
}
qemu_lockcnt_dec(&ctx->list_lock);
return progress;
}
void aio_dispatch(AioContext *ctx)
{
qemu_lockcnt_inc(&ctx->list_lock);
aio_bh_poll(ctx);
aio_dispatch_handlers(ctx, INVALID_HANDLE_VALUE);
qemu_lockcnt_dec(&ctx->list_lock);
timerlistgroup_run_timers(&ctx->tlg);
}
@ -349,7 +348,6 @@ bool aio_poll(AioContext *ctx, bool blocking)
}
}
qemu_lockcnt_dec(&ctx->list_lock);
first = true;
/* ctx->notifier is always registered. */
@ -392,6 +390,8 @@ bool aio_poll(AioContext *ctx, bool blocking)
progress |= aio_dispatch_handlers(ctx, event);
} while (count > 0);
qemu_lockcnt_dec(&ctx->list_lock);
progress |= timerlistgroup_run_timers(&ctx->tlg);
return progress;
}