48 lines
1.1 KiB
Diff
48 lines
1.1 KiB
Diff
From ef1e0607b82e27350c2d677d649c6a0a9693fd40 Mon Sep 17 00:00:00 2001
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From: Christian Brauner <brauner@kernel.org>
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Date: Tue, 9 Aug 2022 16:27:40 +0200
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Subject: build: detect sys/pidfd.h availability
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Fixes: #4176
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Signed-off-by: Christian Brauner (Microsoft) <christian.brauner@ubuntu.com>
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---
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meson.build | 1 +
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src/lxc/process_utils.h | 6 ++++++
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2 files changed, 7 insertions(+)
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--- a/meson.build
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+++ b/meson.build
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@@ -734,6 +734,7 @@ foreach tuple: [
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['sys/resource.h'],
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['sys/memfd.h'],
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['sys/personality.h'],
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+ ['sys/pidfd.h'],
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['sys/signalfd.h'],
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['sys/timerfd.h'],
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['pty.h'],
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--- a/src/lxc/process_utils.h
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+++ b/src/lxc/process_utils.h
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@@ -15,6 +15,10 @@
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#include <sys/syscall.h>
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#include <unistd.h>
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+#if HAVE_SYS_PIDFD_H
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+#include <sys/pidfd.h>
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+#endif
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+
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#include "compiler.h"
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#include "syscall_numbers.h"
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@@ -136,9 +140,11 @@
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#endif
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/* waitid */
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+#if !HAVE_SYS_PIDFD_H
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#ifndef P_PIDFD
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#define P_PIDFD 3
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#endif
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+#endif
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#ifndef CLONE_ARGS_SIZE_VER0
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#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */
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