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LibC+Kernel: Start implementing sysconf

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For now, only the non-standard _SC_NPROCESSORS_CONF and
_SC_NPROCESSORS_ONLN are implemented.

Use them to make ninja pick a better default -j value.
While here, make the ninja package script not fail if
no other port has been built yet.
This commit is contained in:
Nico Weber 2020-07-14 16:41:59 -04:00 • committed by Andreas Kling
parent 782cd93c01
commit 4eb967b5eb
9 changed files with 34 additions and 14 deletions
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5
Kernel/UnixTypes.h
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@ -55,6 +55,11 @@
#define MS_RDONLY (1 << 4)
#define MS_REMOUNT (1 << 5)
enum {
_SC_NPROCESSORS_CONF,
_SC_NPROCESSORS_ONLN,
};
#define PERF_EVENT_MALLOC 1
#define PERF_EVENT_FREE 2