180 lines
6.5 KiB
Diff
180 lines
6.5 KiB
Diff
From aef9198f67350910494edb38b64b1c5e71a32e4e Mon Sep 17 00:00:00 2001
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Message-Id: <aef9198f67350910494edb38b64b1c5e71a32e4e@dist-git>
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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
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Date: Thu, 5 Aug 2021 13:49:46 +0200
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Subject: [PATCH] util: virPidFileForceCleanupPath: add group argument
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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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Add a version of virPidFileForceCleanupPath that takes
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a 'group' bool argument and propagate it all the way
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down to virProcessKillPainfullyDelay.
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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(cherry picked from commit ff7b8043b68ff8e03008a9328dccb0b310d8f7a2)
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Signed-off-by: Ján Tomko <jtomko@redhat.com>
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https://bugzilla.redhat.com/show_bug.cgi?id=1940276
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Message-Id: <ef5e4377704c1f64553b28971335d331e4d84e84.1628164129.git.jtomko@redhat.com>
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Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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---
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src/libvirt_private.syms | 1 +
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src/qemu/qemu_process.c | 3 ++-
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src/util/virpidfile.c | 15 +++++++++++++--
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src/util/virpidfile.h | 2 ++
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src/util/virprocess.c | 17 ++++++++++++-----
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src/util/virprocess.h | 3 ++-
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6 files changed, 32 insertions(+), 9 deletions(-)
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diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
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index 8b892cf255..c80e690da4 100644
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--- a/src/libvirt_private.syms
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+++ b/src/libvirt_private.syms
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@@ -3037,6 +3037,7 @@ virPidFileConstructPath;
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virPidFileDelete;
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virPidFileDeletePath;
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virPidFileForceCleanupPath;
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+virPidFileForceCleanupPathFull;
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virPidFileRead;
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virPidFileReadIfAlive;
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virPidFileReadPath;
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diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
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index 521fda57da..6ef8ebd83e 100644
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--- a/src/qemu/qemu_process.c
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+++ b/src/qemu/qemu_process.c
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@@ -7700,7 +7700,8 @@ qemuProcessKill(virDomainObj *vm, unsigned int flags)
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* to be safe against stalls by the kernel freeing up the resources */
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return virProcessKillPainfullyDelay(vm->pid,
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!!(flags & VIR_QEMU_PROCESS_KILL_FORCE),
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- vm->def->nhostdevs * 2);
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+ vm->def->nhostdevs * 2,
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+ false);
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}
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diff --git a/src/util/virpidfile.c b/src/util/virpidfile.c
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index c6389c1869..7069f8343d 100644
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--- a/src/util/virpidfile.c
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+++ b/src/util/virpidfile.c
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@@ -514,7 +514,7 @@ virPidFileConstructPath(bool privileged,
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* Returns 0 if the pidfile was successfully cleaned up, -1 otherwise.
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*/
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int
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-virPidFileForceCleanupPath(const char *path)
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+virPidFileForceCleanupPathFull(const char *path, bool group)
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{
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pid_t pid = 0;
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int fd = -1;
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@@ -529,10 +529,15 @@ virPidFileForceCleanupPath(const char *path)
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if (fd < 0) {
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virResetLastError();
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+ if (pid > 1 && group)
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+ pid = virProcessGroupGet(pid);
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+
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/* Only kill the process if the pid is valid one. 0 means
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* there is somebody else doing the same pidfile cleanup
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* machinery. */
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- if (pid)
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+ if (group)
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+ virProcessKillPainfullyDelay(pid, true, 0, true);
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+ else if (pid)
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virProcessKillPainfully(pid, true);
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if (virPidFileDeletePath(path) < 0)
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@@ -544,3 +549,9 @@ virPidFileForceCleanupPath(const char *path)
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return 0;
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}
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+
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+int
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+virPidFileForceCleanupPath(const char *path)
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+{
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+ return virPidFileForceCleanupPathFull(path, false);
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+}
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diff --git a/src/util/virpidfile.h b/src/util/virpidfile.h
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index 370a59892e..fd8013c41e 100644
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--- a/src/util/virpidfile.h
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+++ b/src/util/virpidfile.h
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@@ -73,4 +73,6 @@ int virPidFileConstructPath(bool privileged,
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const char *progname,
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char **pidfile);
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+int virPidFileForceCleanupPathFull(const char *path,
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+ bool group) ATTRIBUTE_NONNULL(1);
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int virPidFileForceCleanupPath(const char *path) ATTRIBUTE_NONNULL(1);
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diff --git a/src/util/virprocess.c b/src/util/virprocess.c
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index 1bc840120a..0b57522936 100644
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--- a/src/util/virprocess.c
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+++ b/src/util/virprocess.c
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@@ -406,15 +406,15 @@ pid_t virProcessGroupGet(pid_t pid)
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* wait longer than the default.
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*/
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int
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-virProcessKillPainfullyDelay(pid_t pid, bool force, unsigned int extradelay)
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+virProcessKillPainfullyDelay(pid_t pid, bool force, unsigned int extradelay, bool group)
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{
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size_t i;
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/* This is in 1/5th seconds since polling is on a 0.2s interval */
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unsigned int polldelay = (force ? 200 : 75) + (extradelay*5);
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const char *signame = "TERM";
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- VIR_DEBUG("vpid=%lld force=%d extradelay=%u",
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- (long long)pid, force, extradelay);
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+ VIR_DEBUG("vpid=%lld force=%d extradelay=%u group=%d",
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+ (long long)pid, force, extradelay, group);
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/* This loop sends SIGTERM, then waits a few iterations (10 seconds)
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* to see if it dies. If the process still hasn't exited, and
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@@ -429,6 +429,8 @@ virProcessKillPainfullyDelay(pid_t pid, bool force, unsigned int extradelay)
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*/
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for (i = 0; i < polldelay; i++) {
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int signum;
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+ int rc;
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+
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if (i == 0) {
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signum = SIGTERM; /* kindly suggest it should exit */
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} else if (i == 50 && force) {
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@@ -447,7 +449,12 @@ virProcessKillPainfullyDelay(pid_t pid, bool force, unsigned int extradelay)
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signum = 0; /* Just check for existence */
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}
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- if (virProcessKill(pid, signum) < 0) {
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+ if (group)
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+ rc = virProcessGroupKill(pid, signum);
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+ else
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+ rc = virProcessKill(pid, signum);
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+
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+ if (rc < 0) {
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if (errno != ESRCH) {
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virReportSystemError(errno,
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_("Failed to terminate process %lld with SIG%s"),
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@@ -470,7 +477,7 @@ virProcessKillPainfullyDelay(pid_t pid, bool force, unsigned int extradelay)
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int virProcessKillPainfully(pid_t pid, bool force)
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{
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- return virProcessKillPainfullyDelay(pid, force, 0);
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+ return virProcessKillPainfullyDelay(pid, force, 0, false);
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}
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#if WITH_SCHED_GETAFFINITY
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diff --git a/src/util/virprocess.h b/src/util/virprocess.h
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index 9d7c0f479a..9910331a0c 100644
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--- a/src/util/virprocess.h
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+++ b/src/util/virprocess.h
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@@ -58,7 +58,8 @@ pid_t virProcessGroupGet(pid_t pid);
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int virProcessKillPainfully(pid_t pid, bool force);
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int virProcessKillPainfullyDelay(pid_t pid,
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bool force,
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- unsigned int extradelay);
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+ unsigned int extradelay,
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+ bool group);
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int virProcessSetAffinity(pid_t pid, virBitmap *map, bool quiet);
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--
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2.32.0
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