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systemd: backport patch to allow setting dbus calls timeout

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Backport 0001-sd-bus-make-BUS_DEFAULT_TIMEOUT-configurable.patch
which allows setting dbus calls timeout via SYSTEMD_BUS_TIMEOUT
environment variable.

This is needed as we are meeting timeout failures from the oeqa
runtime test case systemd.py.

(From OE-Core rev: caa4fa5e6ce7d50bdcd04e199d61401b3e8b9ff7)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Chen Qi
2018-07-31 11:22:38 +08:00
committed by Richard Purdie
parent fc2eea3d28
commit 983c24aa23
2 changed files with 176 additions and 0 deletions
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175
meta/recipes-core/systemd/systemd/0001-sd-bus-make-BUS_DEFAULT_TIMEOUT-configurable.patch Normal file
View File

@@ -0,0 +1,175 @@
From 5b75a72ee968c9666b5f2ea313720b6c383cb4c2 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 13 Jul 2018 17:38:47 +0900
Subject: [PATCH] sd-bus: make BUS_DEFAULT_TIMEOUT configurable
This adds sd_bus_{get,set}_method_call_timeout().
If the timeout is not set or set to 0, then the timeout value is
parsed from $SYSTEMD_BUS_TIMEOUT= environment variable. If the
environment variable is not set, then built-in timeout is used.
---
doc/ENVIRONMENT.md | 5 +++++
src/libsystemd/libsystemd.sym | 5 +++++
src/libsystemd/sd-bus/bus-internal.h | 9 ++++----
src/libsystemd/sd-bus/bus-message.c | 7 +++++--
src/libsystemd/sd-bus/sd-bus.c | 40 ++++++++++++++++++++++++++++++++++--
src/systemd/sd-bus.h | 3 +++
6 files changed, 61 insertions(+), 8 deletions(-)
Upstream-Status: Backport
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
diff --git a/doc/ENVIRONMENT.md b/doc/ENVIRONMENT.md
index 85d26fe28c..641a03d5d7 100644
--- a/doc/ENVIRONMENT.md
+++ b/doc/ENVIRONMENT.md
@@ -37,6 +37,11 @@ All tools:
useful for debugging, in order to test generators and other code against
specific kernel command lines.
+* `$SYSTEMD_BUS_TIMEOUT=SECS` — specifies the maximum time to wait for method call
+ completion. If no time unit is specified, assumes seconds. The usual other units
+ are understood, too (us, ms, s, min, h, d, w, month, y). If it is not set or set
+ to 0, then the built-in default is used.
+
systemctl:
* `$SYSTEMCTL_FORCE_BUS=1` — if set, do not connect to PID1's private D-Bus
diff --git a/src/libsystemd/libsystemd.sym b/src/libsystemd/libsystemd.sym
index 1eec17db50..006dbc9c3f 100644
--- a/src/libsystemd/libsystemd.sym
+++ b/src/libsystemd/libsystemd.sym
@@ -570,3 +570,8 @@ global:
sd_event_source_set_destroy_callback;
sd_event_source_get_destroy_callback;
} LIBSYSTEMD_238;
+
+LIBSYSTEMD_240 {
+ sd_bus_set_method_call_timeout;
+ sd_bus_get_method_call_timeout;
+} LIBSYSTEMD_239;
diff --git a/src/libsystemd/sd-bus/bus-internal.h b/src/libsystemd/sd-bus/bus-internal.h
index 2087ef8eeb..4864b1e911 100644
--- a/src/libsystemd/sd-bus/bus-internal.h
+++ b/src/libsystemd/sd-bus/bus-internal.h
@@ -319,6 +319,9 @@ struct sd_bus {
int *inotify_watches;
size_t n_inotify_watches;
+
+ /* zero means use value specified by $SYSTEMD_BUS_TIMEOUT= environment variable or built-in default */
+ usec_t method_call_timeout;
};
/* For method calls we time-out at 25s, like in the D-Bus reference implementation */
@@ -336,8 +339,7 @@ struct sd_bus {
#define BUS_CONTAINER_DEPTH 128
-/* Defined by the specification as maximum size of an array in
- * bytes */
+/* Defined by the specification as maximum size of an array in bytes */
#define BUS_ARRAY_MAX_SIZE 67108864
#define BUS_FDS_MAX 1024
@@ -388,8 +390,7 @@ void bus_close_io_fds(sd_bus *b);
_slash = streq((prefix), "/") ? NULL : strrchr((prefix), '/'))
/* If we are invoking callbacks of a bus object, ensure unreffing the
- * bus from the callback doesn't destroy the object we are working
- * on */
+ * bus from the callback doesn't destroy the object we are working on */
#define BUS_DONT_DESTROY(bus) \
_cleanup_(sd_bus_unrefp) _unused_ sd_bus *_dont_destroy_##bus = sd_bus_ref(bus)
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 8d92bc2002..dffe70a665 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -5809,8 +5809,11 @@ int bus_message_remarshal(sd_bus *bus, sd_bus_message **m) {
return r;
timeout = (*m)->timeout;
- if (timeout == 0 && !((*m)->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED))
- timeout = BUS_DEFAULT_TIMEOUT;
+ if (timeout == 0 && !((*m)->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED)) {
+ r = sd_bus_get_method_call_timeout(bus, &timeout);
+ if (r < 0)
+ return r;
+ }
r = sd_bus_message_seal(n, BUS_MESSAGE_COOKIE(*m), timeout);
if (r < 0)
diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c
index 089b51a6d9..945490ebf7 100644
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -1611,8 +1611,11 @@ static int bus_seal_message(sd_bus *b, sd_bus_message *m, usec_t timeout) {
return 0;
}
- if (timeout == 0)
- timeout = BUS_DEFAULT_TIMEOUT;
+ if (timeout == 0) {
+ r = sd_bus_get_method_call_timeout(b, &timeout);
+ if (r < 0)
+ return r;
+ }
if (!m->sender && b->patch_sender) {
r = sd_bus_message_set_sender(m, b->patch_sender);
@@ -4075,3 +4078,36 @@ _public_ int sd_bus_get_n_queued_write(sd_bus *bus, uint64_t *ret) {
*ret = bus->wqueue_size;
return 0;
}
+
+_public_ int sd_bus_set_method_call_timeout(sd_bus *bus, uint64_t usec) {
+ assert_return(bus, -EINVAL);
+ assert_return(bus = bus_resolve(bus), -ENOPKG);
+
+ bus->method_call_timeout = usec;
+ return 0;
+}
+
+_public_ int sd_bus_get_method_call_timeout(sd_bus *bus, uint64_t *ret) {
+ const char *e;
+ usec_t usec;
+
+ assert_return(bus, -EINVAL);
+ assert_return(bus = bus_resolve(bus), -ENOPKG);
+ assert_return(ret, -EINVAL);
+
+ if (bus->method_call_timeout != 0) {
+ *ret = bus->method_call_timeout;
+ return 0;
+ }
+
+ e = secure_getenv("SYSTEMD_BUS_TIMEOUT");
+ if (e && parse_sec(e, &usec) >= 0 && usec != 0) {
+ /* Save the parsed value to avoid multiple parsing. To change the timeout value,
+ * use sd_bus_set_method_call_timeout() instead of setenv(). */
+ *ret = bus->method_call_timeout = usec;
+ return 0;
+ }
+
+ *ret = bus->method_call_timeout = BUS_DEFAULT_TIMEOUT;
+ return 0;
+}
diff --git a/src/systemd/sd-bus.h b/src/systemd/sd-bus.h
index 54c4b1ca83..c9fd254834 100644
--- a/src/systemd/sd-bus.h
+++ b/src/systemd/sd-bus.h
@@ -206,6 +206,9 @@ sd_event *sd_bus_get_event(sd_bus *bus);
int sd_bus_get_n_queued_read(sd_bus *bus, uint64_t *ret);
int sd_bus_get_n_queued_write(sd_bus *bus, uint64_t *ret);
+int sd_bus_set_method_call_timeout(sd_bus *bus, uint64_t usec);
+int sd_bus_get_method_call_timeout(sd_bus *bus, uint64_t *ret);
+
int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);
int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata);
int sd_bus_add_match_async(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, sd_bus_message_handler_t install_callback, void *userdata);
--
2.11.0

1
meta/recipes-core/systemd/systemd_239.bb
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@@ -27,6 +27,7 @@ SRC_URI += "file://touchscreen.rules \
file://0008-Do-not-enable-nss-tests-if-nss-systemd-is-not-enable.patch \
file://0009-nss-mymachines-Build-conditionally-when-ENABLE_MYHOS.patch \
file://0001-login-use-parse_uid-when-unmounting-user-runtime-dir.patch \
file://0001-sd-bus-make-BUS_DEFAULT_TIMEOUT-configurable.patch \
"
SRC_URI_append_qemuall = " file://0001-core-device.c-Change-the-default-device-timeout-to-2.patch"