flock
-----

LSB specification:
 https://refspecs.linuxbase.org/LSB_5.0.0/LSB-Core-generic/LSB-Core-generic/baselib-flock-2.html

Documentation:
 man flock

Gnulib module: flock

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: mingw, MSVC 14

  * This function is missing on some platforms: AIX 7.1, HP-UX 11.23, Solaris 11.4. But the replacement function does not really work; it exhibits test failures.

Portability problems not fixed by Gnulib: