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[Qemu-block] [PATCH] progress: Show current progress on SIGINFO
From: |
Max Reitz |
Subject: |
[Qemu-block] [PATCH] progress: Show current progress on SIGINFO |
Date: |
Wed, 8 Feb 2017 00:57:57 +0100 |
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 <address@hidden>
---
Can anyone test this on a BSD system? O:-)
---
util/qemu-progress.c | 3 +++
qemu-img.texi | 3 ++-
2 files changed, 5 insertions(+), 1 deletion(-)
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);
+#endif
/*
* SIGUSR1 is SIG_IPI and gets blocked in qemu_init_main_loop(). In the
diff --git a/qemu-img.texi b/qemu-img.texi
index 174aae38b7..b7e849b22b 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
address@hidden 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.
--
2.11.0
- [Qemu-block] [PATCH] progress: Show current progress on SIGINFO,
Max Reitz <=