From: Max Reitz <[email protected]> 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 <[email protected]> Message-id: [email protected] Reviewed-by: Stefan Hajnoczi <[email protected]> Signed-off-by: Max Reitz <[email protected]> --- qemu-img.texi | 3 ++- util/qemu-progress.c | 3 +++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/qemu-img.texi b/qemu-img.texi index 8c573ae..50a2364 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 f745233..3c2223c 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); +#endif /* * SIGUSR1 is SIG_IPI and gets blocked in qemu_init_main_loop(). In the -- 1.8.3.1
