mirror of https://github.com/mkerrisk/man-pages
getcpu.2: getcpu() now has a glibc wrapper; remove mention of syscall(2)
The glibc wrapper was added in glibc 2.29, release on 1 Feb 2019. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -19,9 +19,6 @@ getcpu \- determine CPU and NUMA node on which the calling thread is running
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.BI "int getcpu(unsigned *" cpu ", unsigned *" node \
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", struct getcpu_cache *" tcache );
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.fi
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.PP
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.IR Note :
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There is no glibc wrapper for this system call; see NOTES.
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.SH DESCRIPTION
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The
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.BR getcpu ()
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@ -82,12 +79,6 @@ The intention of
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is to allow programs to make optimizations with per-CPU data
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or for NUMA optimization.
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.PP
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Glibc does not provide a wrapper for this system call; call it using
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.BR syscall (2);
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or use
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.BR sched_getcpu (3)
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instead.
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.PP
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The
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.I tcache
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argument is unused since Linux 2.6.24.
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