diff options
Diffstat (limited to 'lib/libc/gen/sysconf.3')
| -rw-r--r-- | lib/libc/gen/sysconf.3 | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/libc/gen/sysconf.3 b/lib/libc/gen/sysconf.3 index 559a771..916b6dd 100644 --- a/lib/libc/gen/sysconf.3 +++ b/lib/libc/gen/sysconf.3 @@ -32,7 +32,7 @@ .\" @(#)sysconf.3 8.3 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd April 19, 1994 +.Dd June 18, 2001 .Dt SYSCONF 3 .Os BSD 4 .Sh NAME @@ -59,7 +59,10 @@ The .Fa name argument specifies the system variable to be queried. Symbolic constants for each name value are found in the include file -.Li <unistd.h> . +.Aq Pa unistd.h . +Shell programmers who need access to these parameters should use the +.Xr getconf 1 +utility. .Pp The available values are as follows: .Pp @@ -72,6 +75,13 @@ The maximum bytes of argument to The maximum number of simultaneous processes per user id. .It Li _SC_CLK_TCK The frequency of the statistics clock in ticks per second. +.It Li _SC_IOV_MAX +The maximum number of elements in the I/O vector used by +.Xr readv 2 , +.Xr writev 2 , +.Xr recvmsg 2 , +and +.Xr sendmsg 2 . .It Li _SC_NGROUPS_MAX The maximum number of supplemental groups. .It Li _SC_OPEN_MAX @@ -168,7 +178,7 @@ The .Fn sysconf function may fail and set .Va errno -for any of the errors specified for the library functions +for any of the errors specified for the library function .Xr sysctl 3 . In addition, the following error may be reported: .Bl -tag -width Er @@ -178,6 +188,9 @@ The value of the argument is invalid. .El .Sh SEE ALSO +.Xr getconf 1 , +.Xr pathconf 2 , +.Xr confstr 3 , .Xr sysctl 3 .Sh BUGS The value for _SC_STREAM_MAX is a minimum maximum, and required to be |
