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authorDaniel Mack <daniel@zonque.org>2014-10-21 22:14:03 +0200
committerDaniel Mack <daniel@zonque.org>2014-10-21 22:14:03 +0200
commit03785ad0e51b061efb9f9b3f2e328685f9a866aa (patch)
treeadb0af3923fbc98617169070ecae0de121f7fa4d /src
parentbc75205c773313a38a6958a6905a99bd56029196 (diff)
sd-bus: sync kdbus.h (API change: switch to absolute timeouts)
kdbus_msg.timeout_ns now takes an absolute value, based on CLOCK_MONOTONIC, in order to eventually support automatically restarted syscalls. Signed-off-by: Daniel Mack <daniel@zonque.org>
Diffstat (limited to 'src')
-rw-r--r--src/libsystemd/sd-bus/bus-kernel.c16
-rw-r--r--src/libsystemd/sd-bus/kdbus.h3
2 files changed, 15 insertions, 4 deletions
diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c
index 6b5a3d3713..136c90fc63 100644
--- a/src/libsystemd/sd-bus/bus-kernel.c
+++ b/src/libsystemd/sd-bus/bus-kernel.c
@@ -270,10 +270,20 @@ static int bus_message_setup_kmsg(sd_bus *b, sd_bus_message *m) {
m->kdbus->cookie = (uint64_t) m->header->serial;
m->kdbus->priority = m->priority;
- if (m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED)
+ if (m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED) {
m->kdbus->cookie_reply = m->reply_cookie;
- else
- m->kdbus->timeout_ns = m->timeout * NSEC_PER_USEC;
+ } else {
+ struct timespec now;
+
+ r = clock_gettime(CLOCK_MONOTONIC_COARSE, &now);
+ if (r < 0) {
+ r = -errno;
+ goto fail;
+ }
+
+ m->kdbus->timeout_ns = now.tv_sec * NSEC_PER_SEC + now.tv_nsec +
+ m->timeout * NSEC_PER_USEC;
+ }
d = m->kdbus->items;
diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h
index 087d50aabb..50b4ec41b3 100644
--- a/src/libsystemd/sd-bus/kdbus.h
+++ b/src/libsystemd/sd-bus/kdbus.h
@@ -384,7 +384,8 @@ enum kdbus_payload_type {
* @timeout_ns: The time to wait for a message reply from the peer.
* If there is no reply, a kernel-generated message
* with an attached KDBUS_ITEM_REPLY_TIMEOUT item
- * is sent to @src_id.
+ * is sent to @src_id. The timeout is expected in
+ * nanoseconds and as absolute CLOCK_MONOTONIC value.
* @cookie_reply: A reply to the requesting message with the same
* cookie. The requesting connection can match its
* request and the reply with this value