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opening /dev/null
Skaperen
Weighs the Same as a Duck
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#1
Jan-10-2020, 06:40 PM
is it true that when opening /dev/null for read, write, or append, it doesn't really do any syscalls, but just changes some function reference around so it totally fakes all the dummy I/O for a performance boost?
Tradition is peer pressure from dead people

What do you call someone who speaks three languages? Trilingual. Two languages? Bilingual. One language? American.
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ndc85430
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#2
Jan-10-2020, 06:48 PM
Could you verify that using strace (assuming Linux)?
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Skaperen
Weighs the Same as a Duck
Posts: 4,647
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#3
Jan-11-2020, 06:42 AM
you don't really know.
Tradition is peer pressure from dead people

What do you call someone who speaks three languages? Trilingual. Two languages? Bilingual. One language? American.
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