[PULL] signal-safe logging and input ABI 18

[Keith Packard]

Peter Hutterer <peter.hutterer at who-t.net> writes:

Yay for 'make check' today!

>       Print backtrace in a signal-safe manner

This causes the 'input' test to fail:

$ ./input
Testing double to FP1616/FP3232 conversions
[dix] EventToCore: Not implemented yet 
[dix] EventToCore: Not implemented yet 
[dix] EventToCore: Not implemented yet 
Testing bits_to_bytes()
Testing bytes_to_int32()
Testing pad_to_int32
Unlinking from front.
Testing input_option list interface
[mi] Increasing EQ size to 512 to prevent dropped events.
[mi] EQ overflowing.  Additional events will be discarded until existing events are processed.
(EE) 
(EE) Backtrace:
(EE) 18431906774178070528: ELF


 (0x808ef5900046f59+0x0) [0x600000000]
(EE) Segmentation fault


(Sorry for the delay in working on this).

I bisected when the merge 'make check' failed and tested the commit as
it exists in Peter's repository.

        50d4c8bbcb2854104464c2c8fb82608f1ff4c12d

-- 
keith.packard at intel.com
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