Either it is shared across threads, or it is per-thread: decide.
Reading the source code, I see a thread_local identifier, so that's
that. But that does not yet preclude that a program may pass around
the pointer returned from the function among its own threads.
Do a best effort at saying so.
for more information about "machines".</para>
<para><function>sd_bus_default_user()</function> returns a bus
- object connected to the user bus. This bus object is shared
- per-thread. It is created on the first invocation of
+ object connected to the user bus. Each thread has its own object, but it
+ may be passed around. It is created on the first invocation of
<function>sd_bus_default_user()</function>, and subsequent
invocations returns a reference to the same object.</para>