30 lines
1,016 B
Diff
30 lines
1,016 B
Diff
From 9c579205669cce54944e2c4f115e69ef18475bbe Mon Sep 17 00:00:00 2001
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From: Tycho Andersen <tycho@tycho.ws>
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Date: Tue, 23 Jul 2019 09:40:14 -0600
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Subject: [PATCH] pidfds: don't print a scary warning on ENOSYS
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Most kernels don't have this functionality yet, and so the warning is
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printed a lot. Our people are scared of warnings, so let's make it INFO
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instead in this case.
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Signed-off-by: Tycho Andersen <tycho@tycho.ws>
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---
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src/lxc/start.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git src/lxc/start.c src/lxc/start.c
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index e3f32f4cb8..e6544ea19c 100644
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--- src/lxc/start.c
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+++ src/lxc/start.c
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@@ -1641,7 +1641,10 @@ static int proc_pidfd_open(pid_t pid)
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/* Test whether we can send signals. */
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if (lxc_raw_pidfd_send_signal(proc_pidfd, 0, NULL, 0)) {
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- SYSERROR("Failed to send signal through pidfd");
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+ if (errno != ENOSYS)
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+ SYSERROR("Failed to send signal through pidfd");
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+ else
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+ INFO("Sending signals through pidfds not supported on this kernel");
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return -1;
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}
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