xref: /titanic_50/usr/src/man/man3c/get_nprocs.3c (revision dc32d872cbeb56532bcea030255db9cd79bac7da)
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12.\" Copyright (c) 2014 Joyent, Inc.
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14.Dd "Dec 21, 2014"
15.Dt GET_NPROCS 3C
16.Os
17.Sh NAME
18.Nm get_nprocs ,
19.Nm get_nprocs_conf
20.Nd get number of processors
21.Sh SYNOPSIS
22.In unistd.h
23.Ft int
24.Fo get_nprocs
25.Fa void
26.Fc
27.Ft int
28.Fo get_nprocs_conf
29.Fa void
30.Fc
31.Sh DESCRIPTION
32The
33.Fn get_nprocs
34and
35.Fn get_nprocs_conf
36functions are provided for compatibility with other systems and are
37equivalent to calling
38.Fn sysconf _SC_NPROCESSORS_ONLN
39and
40.Fn sysconf _SC_NPROCESSORS_CONF
41respectively.
42.Sh RETURN VALUES
43The
44.Fn get_nprocs
45function returns the number of processors that are currently online. The
46.Fn get_nprocs_conf
47function returns the number of processors that the operating system has
48configured.
49.Sh INTERFACE STABILITY
50.Sy Committed .
51.Sh MT-LEVEL
52.Sy MT-Safe ,
53.Sy Async-Signal-Safe
54.Sh SEE ALSO
55.Xr psrinfo 1M ,
56.Xr processor_info 2 ,
57.Xr sysconf 3C ,
58.Xr attributes 5 ,
59.Xr standards 5
60