95 lines
3.3 KiB
Diff
95 lines
3.3 KiB
Diff
From 2b27d54de68a4581a9b46fe5c399b45c0014fcbd Mon Sep 17 00:00:00 2001
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Message-Id: <2b27d54de68a4581a9b46fe5c399b45c0014fcbd@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 1 Jul 2019 17:07:10 +0200
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Subject: [PATCH] vircgroupv1: fix build on non-linux OSes
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Cgroups are linux specific and we need to make sure that the code is
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compiled only on linux. On different OSes it fails the compilation:
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../../src/util/vircgroupv1.c:65:19: error: variable has incomplete type 'struct mntent'
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struct mntent entry;
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^
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../../src/util/vircgroupv1.c:65:12: note: forward declaration of 'struct mntent'
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struct mntent entry;
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^
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../../src/util/vircgroupv1.c:74:12: error: implicit declaration of function 'getmntent_r' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
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while (getmntent_r(mounts, &entry, buf, sizeof(buf)) != NULL) {
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^
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../../src/util/vircgroupv1.c:814:39: error: use of undeclared identifier 'MS_NOSUID'
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if (mount("tmpfs", root, "tmpfs", MS_NOSUID|MS_NODEV|MS_NOEXEC, opts) < 0) {
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^
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../../src/util/vircgroupv1.c:814:49: error: use of undeclared identifier 'MS_NODEV'
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if (mount("tmpfs", root, "tmpfs", MS_NOSUID|MS_NODEV|MS_NOEXEC, opts) < 0) {
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^
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../../src/util/vircgroupv1.c:814:58: error: use of undeclared identifier 'MS_NOEXEC'
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if (mount("tmpfs", root, "tmpfs", MS_NOSUID|MS_NODEV|MS_NOEXEC, opts) < 0) {
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^
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../../src/util/vircgroupv1.c:841:65: error: use of undeclared identifier 'MS_BIND'
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if (mount(src, group->legacy[i].mountPoint, "none", MS_BIND,
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^
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit 0615c8436ac868889454bee2781b6c9993518597)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Message-Id: <a1b4d0cfa90a65f5c431a388e6f51be2ab9a7cdd.1561993100.git.phrdina@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/vircgroupv1.c | 20 +++++++++++++++-----
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1 file changed, 15 insertions(+), 5 deletions(-)
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diff --git a/src/util/vircgroupv1.c b/src/util/vircgroupv1.c
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index 482615f3c8..97d108d3ac 100644
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--- a/src/util/vircgroupv1.c
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+++ b/src/util/vircgroupv1.c
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@@ -20,13 +20,11 @@
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*/
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#include <config.h>
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-#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
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+#ifdef __linux__
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# include <mntent.h>
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-#endif
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-#include <sys/stat.h>
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-#if defined HAVE_SYS_MOUNT_H
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+# include <sys/stat.h>
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# include <sys/mount.h>
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-#endif
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+#endif /* __linux__ */
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#include "internal.h"
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@@ -56,6 +54,8 @@ VIR_ENUM_IMPL(virCgroupV1Controller, VIR_CGROUP_CONTROLLER_LAST,
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"name=systemd");
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+#ifdef __linux__
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+
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/* We're looking for at least one 'cgroup' fs mount,
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* which is *not* a named mount. */
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static bool
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@@ -2100,3 +2100,13 @@ virCgroupV1Register(void)
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{
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virCgroupBackendRegister(&virCgroupV1Backend);
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}
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+
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+#else /* !__linux__ */
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+
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+void
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+virCgroupV1Register(void)
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+{
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+ VIR_INFO("Control groups not supported on this platform");
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+}
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+
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+#endif /* !__linux__ */
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--
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2.22.0
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