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-rw-r--r--src/libsystemd/sd-bus/kdbus.h56
1 files changed, 31 insertions, 25 deletions
diff --git a/src/libsystemd/sd-bus/kdbus.h b/src/libsystemd/sd-bus/kdbus.h
index 65266ee212..ae900c2720 100644
--- a/src/libsystemd/sd-bus/kdbus.h
+++ b/src/libsystemd/sd-bus/kdbus.h
@@ -71,13 +71,13 @@ struct kdbus_notify_name_change {
*/
struct kdbus_creds {
__u64 uid;
- __u64 euid;
- __u64 suid;
- __u64 fsuid;
+ __u64 euid;
+ __u64 suid;
+ __u64 fsuid;
__u64 gid;
- __u64 egid;
- __u64 sgid;
- __u64 fsgid;
+ __u64 egid;
+ __u64 sgid;
+ __u64 fsgid;
};
/**
@@ -307,7 +307,7 @@ enum kdbus_item_type {
_KDBUS_ITEM_ATTACH_BASE = 0x1000,
KDBUS_ITEM_TIMESTAMP = _KDBUS_ITEM_ATTACH_BASE,
KDBUS_ITEM_CREDS,
- KDBUS_ITEM_PIDS,
+ KDBUS_ITEM_PIDS,
KDBUS_ITEM_AUXGROUPS,
KDBUS_ITEM_OWNED_NAME,
KDBUS_ITEM_TID_COMM,
@@ -369,7 +369,7 @@ struct kdbus_item {
__u64 id;
struct kdbus_vec vec;
struct kdbus_creds creds;
- struct kdbus_pids pids;
+ struct kdbus_pids pids;
struct kdbus_audit audit;
struct kdbus_caps caps;
struct kdbus_timestamp timestamp;
@@ -493,6 +493,11 @@ enum kdbus_recv_flags {
* -EOVERFLOW, this field will contain the number of
* broadcast messages that have been lost since the
* last call.
+ * @msg_size: Filled by the kernel with the actual message size. This
+ * mirrors the 'size' member of the message stored at
+ * @offset, but allows callers to access it without mapping
+ * their pool. By using @msg_size and @offset, you can map
+ * only the message itself, not the whole pool.
*
* This struct is used with the KDBUS_CMD_MSG_RECV ioctl.
*/
@@ -500,10 +505,11 @@ struct kdbus_cmd_recv {
__u64 flags;
__u64 kernel_flags;
__s64 priority;
- union {
- __u64 offset;
- __u64 dropped_msgs;
- };
+ union {
+ __u64 offset;
+ __u64 dropped_msgs;
+ };
+ __u64 msg_size;
} __attribute__((aligned(8)));
/**
@@ -607,19 +613,19 @@ enum kdbus_hello_flags {
enum kdbus_attach_flags {
KDBUS_ATTACH_TIMESTAMP = 1ULL << 0,
KDBUS_ATTACH_CREDS = 1ULL << 1,
- KDBUS_ATTACH_PIDS = 1ULL << 2,
- KDBUS_ATTACH_AUXGROUPS = 1ULL << 3,
- KDBUS_ATTACH_NAMES = 1ULL << 4,
- KDBUS_ATTACH_TID_COMM = 1ULL << 5,
- KDBUS_ATTACH_PID_COMM = 1ULL << 6,
- KDBUS_ATTACH_EXE = 1ULL << 7,
- KDBUS_ATTACH_CMDLINE = 1ULL << 8,
- KDBUS_ATTACH_CGROUP = 1ULL << 9,
- KDBUS_ATTACH_CAPS = 1ULL << 10,
- KDBUS_ATTACH_SECLABEL = 1ULL << 11,
- KDBUS_ATTACH_AUDIT = 1ULL << 12,
- KDBUS_ATTACH_CONN_DESCRIPTION = 1ULL << 13,
- _KDBUS_ATTACH_ALL = (1ULL << 14) - 1,
+ KDBUS_ATTACH_PIDS = 1ULL << 2,
+ KDBUS_ATTACH_AUXGROUPS = 1ULL << 3,
+ KDBUS_ATTACH_NAMES = 1ULL << 4,
+ KDBUS_ATTACH_TID_COMM = 1ULL << 5,
+ KDBUS_ATTACH_PID_COMM = 1ULL << 6,
+ KDBUS_ATTACH_EXE = 1ULL << 7,
+ KDBUS_ATTACH_CMDLINE = 1ULL << 8,
+ KDBUS_ATTACH_CGROUP = 1ULL << 9,
+ KDBUS_ATTACH_CAPS = 1ULL << 10,
+ KDBUS_ATTACH_SECLABEL = 1ULL << 11,
+ KDBUS_ATTACH_AUDIT = 1ULL << 12,
+ KDBUS_ATTACH_CONN_DESCRIPTION = 1ULL << 13,
+ _KDBUS_ATTACH_ALL = (1ULL << 14) - 1,
_KDBUS_ATTACH_ANY = ~0ULL
};