| slovo | definícia |
unixism
(foldoc) | Unixism
A piece of code or a coding
technique that depends on the protected multitasking
environment with relatively low process-spawn overhead that
exists on virtual-memory Unix systems.
Common Unixisms include: gratuitous use of "fork"; the
assumption that certain undocumented but well-known features
of Unix libraries such as "stdio" are supported elsewhere;
reliance on obscure side-effects of system calls (use of
"sleep" with a 0 argument to tell the scheduler that you're
willing to give up your time-slice, for example); the
assumption that freshly allocated memory is zeroed; and the
assumption that fragmentation problems won't arise from
never freeing memory.
Compare vaxocentrism. See also New Jersey.
[Jargon File]
(1995-02-27)
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unixism
(jargon) | unixism
n.
A piece of code or a coding technique that depends on the protected
multi-tasking environment with relatively low process-spawn overhead that
exists on virtual-memory Unix systems. Common unixisms include:
gratuitous use of fork(2); the assumption that certain undocumented but
well-known features of Unix libraries such as stdio(3) are supported
elsewhere; reliance on obscure side-effects of system calls (use of sleep
(2) with a 0 argument to clue the scheduler that you're willing to give up
your time-slice, for example); the assumption that freshly allocated memory
is zeroed; and the assumption that fragmentation problems won't arise from
never free()ing memory. Compare vaxocentrism; see also New Jersey.
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