Avoid syscall for _SC_PAGESIZE.
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Authored by trasz on Nov 14 2018, 5:20 PM.

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kib

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rS340641: Make sysconf(_SC_PAGESIZE) return the value from getpagesize(3).

Summary

Make sysconf(_SC_PAGESIZE) return the value from getpagesize(3).
That avoids a syscall - getpagesize(3) gets the value from the ELF
aux strings.

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rS FreeBSD src repository - subversion

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Tests Not Applicable

Event Timeline

trasz created this revision.Nov 14 2018, 5:20 PM

Herald added a subscriber: imp. · View Herald TranscriptNov 14 2018, 5:20 PM

Harbormaster completed remote builds in B20806: Diff 50421.Nov 14 2018, 5:20 PM

trasz added a reviewer: kib.Nov 19 2018, 2:16 PM

kib accepted this revision.Nov 19 2018, 2:35 PM

This revision is now accepted and ready to land.Nov 19 2018, 2:35 PM

Closed by commit rS340641: Make sysconf(_SC_PAGESIZE) return the value from getpagesize(3). (authored by trasz). · Explain WhyNov 19 2018, 6:23 PM

This revision was automatically updated to reflect the committed changes.

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Path

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head/

lib/

libc/

gen/

sysconf.c

5 lines

Diff 50608

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head/lib/libc/gen/sysconf.c

Avoid syscall for _SC_PAGESIZE.ClosedPublicActions