Christian Helmuth 9a35743df6 Mark packet-stream descriptor head/tail as volatile
`volatile` effectively prevents instruction reordering by the compiler
and fixes an issue with -O3 compiled components.

Note, this commit does not address further arguments regarding memory
barriers and volatile voiced in issue #693.

Issue #693
2019-12-20 14:34:22 +01:00
..
2017-05-31 13:16:07 +02:00
2019-01-30 13:49:54 +01:00
2019-02-26 14:44:15 +01:00
2019-12-19 16:59:03 +01:00