From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:41054) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RB6LM-0007eP-7O for qemu-devel@nongnu.org; Tue, 04 Oct 2011 10:51:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RB6LH-0003nT-BT for qemu-devel@nongnu.org; Tue, 04 Oct 2011 10:51:40 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:37924) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RB6LH-0003mn-8e for qemu-devel@nongnu.org; Tue, 04 Oct 2011 10:51:35 -0400 From: Anthony PERARD Date: Tue, 4 Oct 2011 15:51:13 +0100 Message-ID: <1317739882-4809-3-git-send-email-anthony.perard@citrix.com> In-Reply-To: <1317739882-4809-1-git-send-email-anthony.perard@citrix.com> References: <1317739882-4809-1-git-send-email-anthony.perard@citrix.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH RFC V1 02/11] qemu-timer: Introduce qemu_run_one_timer List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: QEMU-devel Cc: Anthony PERARD , Alex Williamson , Xen Devel , Stefano Stabellini Used by the Xen PCI Passthrough code to run the timer about the power state transition. Signed-off-by: Anthony PERARD --- qemu-timer.c | 15 +++++++++++++++ qemu-timer.h | 3 +++ 2 files changed, 18 insertions(+), 0 deletions(-) diff --git a/qemu-timer.c b/qemu-timer.c index 46dd483..15e659b 100644 --- a/qemu-timer.c +++ b/qemu-timer.c @@ -1163,3 +1163,18 @@ int qemu_calculate_timeout(void) return 1000; } +/* run the specified timer */ +void qemu_run_one_timer(QEMUTimer *ts) +{ + uint64_t current_time; + + /* remove timer from the list before calling the callback */ + qemu_del_timer(ts); + + while ((current_time = qemu_get_clock_ms(rt_clock)) < ts->expire_time) + /* sleep until the expire time */ + usleep((ts->expire_time - current_time) * 1000); + + /* run the callback */ + ts->cb(ts->opaque); +} diff --git a/qemu-timer.h b/qemu-timer.h index 0a43469..b7b907b 100644 --- a/qemu-timer.h +++ b/qemu-timer.h @@ -338,4 +338,7 @@ extern int64_t tlb_flush_time; extern int64_t dev_time; #endif +/* run the specified timer */ +void qemu_run_one_timer(QEMUTimer *ts); + #endif -- Anthony PERARD