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getpagesize.2, getdtablesize.3: Update/correct FTM requirements 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2021-01-04 12:13:37 +01:00
parent 49b843f53a
commit 9e8a25d700
2 changed files with 14 additions and 33 deletions
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25
man2/getpagesize.2
View File

@ -38,26 +38,15 @@ Feature Test Macro Requirements for glibc (see
.RE
.PP
.BR getpagesize ():
.ad l
.RS 4
.PD 0
.TP 4
Since glibc 2.19:
.nf
_DEFAULT_SOURCE || ! (_POSIX_C_SOURCE\ >=\ 200112L)
Since glibc 2.20
_DEFAULT_SOURCE || ! (_POSIX_C_SOURCE >= 200112L)
Glibc 2.12 to 2.19
_BSD_SOURCE || ! (_POSIX_C_SOURCE >= 200112L)
Before glibc 2.12:
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.\" || _XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
.fi
.TP 4
From glibc 2.12 to 2.19:
.nf
_BSD_SOURCE || ! (_POSIX_C_SOURCE\ >=\ 200112L)
.fi
.TP 4
Before glibc 2.12:
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.\" || _XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
.PD
.RE
.ad b
.SH DESCRIPTION
The function
.BR getpagesize ()

22
man3/getdtablesize.3
View File

@ -40,23 +40,15 @@ Feature Test Macro Requirements for glibc (see
.RE
.PP
.BR getdtablesize ():
.ad l
.RS 4
.PD 0
.TP 4
Since glibc 2.12:
.nf
/* Glibc since 2.19: */ _DEFAULT_SOURCE
|| /* Glibc <= 2.19: */ _BSD_SOURCE
|| ! (_POSIX_C_SOURCE\ >=\ 200112L)
Since glibc 2.20
_DEFAULT_SOURCE || ! (_POSIX_C_SOURCE >= 200112L)
Glibc 2.12 to 2.19
_BSD_SOURCE || ! (_POSIX_C_SOURCE >= 200112L)
Before glibc 2.12:
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.\" || _XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
.fi
.TP 4
Before glibc 2.12:
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.\" || _XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
.PD
.RE
.ad b
.SH DESCRIPTION
.BR getdtablesize ()
returns the maximum number of files a process can have open,