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authorDavid Herrmann <dh.herrmann@gmail.com>2014-12-11 13:19:41 +0100
committerDavid Herrmann <dh.herrmann@gmail.com>2014-12-11 13:19:41 +0100
commit94e15fdc4d9d96fa6607bfb4eaaea164a3aec417 (patch)
treea0007d59619f3e3484a42f44b47b44e0e8e9c865 /src/core/busname.c
parent055b27f29484b625e03706319c918e3a644e00b9 (diff)
bus: sync with kdbus.git
Sync up with recent kdbus changed: * several ioctls gained .size and .items members (but still unused) * CMD_SEND gained its own ioctl structure * several members of kdbus_msg were dropped as they were only used during SEND, not during RECV etc. * CMD_RECV and CMD_SEND now share a kdbus_reply member which contains the offset and size of the returned message.
Diffstat (limited to 'src/core/busname.c')
-rw-r--r--src/core/busname.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/src/core/busname.c b/src/core/busname.c
index 99641ec418..d4aa463397 100644
--- a/src/core/busname.c
+++ b/src/core/busname.c
@@ -727,6 +727,7 @@ _pure_ static const char *busname_sub_state_to_string(Unit *u) {
static int busname_peek_message(BusName *n) {
struct kdbus_cmd_recv cmd_recv = {
+ .size = sizeof(cmd_recv),
.flags = KDBUS_RECV_PEEK,
};
struct kdbus_cmd_free cmd_free = {};
@@ -750,7 +751,7 @@ static int busname_peek_message(BusName *n) {
if (log_get_max_level() < LOG_DEBUG)
return 0;
- r = ioctl(n->starter_fd, KDBUS_CMD_MSG_RECV, &cmd_recv);
+ r = ioctl(n->starter_fd, KDBUS_CMD_RECV, &cmd_recv);
if (r < 0) {
if (errno == EINTR || errno == EAGAIN)
return 0;
@@ -766,9 +767,9 @@ static int busname_peek_message(BusName *n) {
* longer than necessary. */
ps = page_size();
- start = (cmd_recv.offset / ps) * ps;
- delta = cmd_recv.offset - start;
- sz = PAGE_ALIGN(delta + cmd_recv.msg_size);
+ start = (cmd_recv.reply.offset / ps) * ps;
+ delta = cmd_recv.reply.offset - start;
+ sz = PAGE_ALIGN(delta + cmd_recv.reply.msg_size);
p = mmap(NULL, sz, PROT_READ, MAP_SHARED, n->starter_fd, start);
if (p == MAP_FAILED) {
@@ -800,7 +801,7 @@ finish:
if (p)
(void) munmap(p, sz);
- cmd_free.offset = cmd_recv.offset;
+ cmd_free.offset = cmd_recv.reply.offset;
if (ioctl(n->starter_fd, KDBUS_CMD_FREE, &cmd_free) < 0)
log_unit_warning(UNIT(n)->id, "Failed to free peeked message, ignoring: %m");