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connection: Add a thread ID to WAYLAND_DEBUG output.

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If WAYLAND_DEBUG contains the token "thread_id", and gettid() is
available, then include the current thread ID in the output from
wl_closure_print.

If multiple threads are sending requests, then those requests can get
interleaved. That's usually fine, but for wl_surface requests and
commits, that can cause problems ranging from incorrect behavior to
protocol errors.

Being able to see which requests are sent by different threads would
make such problems much easier to diagnose.

Signed-off-by: Kyle Brenneman <kbrenneman@nvidia.com>
This commit is contained in:
Kyle Brenneman 2024-09-10 14:36:06 -06:00 • committed by Daniel Stone
parent 77730f10a0
commit 4673ef7e9c
2 changed files with 18 additions and 0 deletions
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meson.build
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@ -46,6 +46,7 @@ have_funcs = [
'memfd_create',
'mremap',
'strndup',
'gettid',
]
foreach f: have_funcs
config_h.set('HAVE_' + f.underscorify().to_upper(), cc.has_function(f))