diff options
authorMax Reitz <mreitz@redhat.com>2017-02-08 00:57:57 +0100
committerMax Reitz <mreitz@redhat.com>2017-04-28 18:48:11 +0200
commit262fbae692722d5c8b647ba6b079409baefc3e3e (patch)
parentcc02e89eb4eb8b1cc43b2bc168dc0fca48ee721f (diff)
progress: Show current progress on SIGINFO
Currently we only print progress information on retrieval of SIGUSR1. Some systems have a dedicated SIGINFO for this, however, so it should be handled appropriately if it is available. Buglink: https://bugs.launchpad.net/qemu/+bug/1662468 Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20170207235757.2026-1-mreitz@redhat.com Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2 files changed, 5 insertions, 1 deletions
diff --git a/qemu-img.texi b/qemu-img.texi
index 8c573ae010..50a2364e80 100644
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -84,7 +84,8 @@ with or without a command shows help and lists the supported formats
@item -p
display progress bar (compare, convert and rebase commands only).
If the @var{-p} option is not used for a command that supports it, the
-progress is reported when the process receives a @code{SIGUSR1} signal.
+progress is reported when the process receives a @code{SIGUSR1} or
+@code{SIGINFO} signal.
@item -q
Quiet mode - do not print any output (except errors). There's no progress bar
in case both @var{-q} and @var{-p} options are used.
diff --git a/util/qemu-progress.c b/util/qemu-progress.c
index f745233763..3c2223c1a2 100644
--- a/util/qemu-progress.c
+++ b/util/qemu-progress.c
@@ -88,6 +88,9 @@ static void progress_dummy_init(void)
action.sa_handler = sigusr_print;
action.sa_flags = 0;
sigaction(SIGUSR1, &action, NULL);
+#ifdef SIGINFO
+ sigaction(SIGINFO, &action, NULL);
* SIGUSR1 is SIG_IPI and gets blocked in qemu_init_main_loop(). In the