sigaltstack.2, siginterrupt.3: Updated feature test macro requirements

Added requirements for glibc 2.12.
Corrected requirements for glibc versions before 2.12.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/sigaltstack.2 b/man2/sigaltstack.2
index bd4d0a422ecc6047f18eeb99fb39cc79ec3722cc..de2b10c1d99ada5ae0ba8fb0890aae95d1648288 100644 (file)
--- a/man2/sigaltstack.2
+++ b/man2/sigaltstack.2
@@ -36,7 +36,18 @@ Feature Test Macro Requirements for glibc (see
 .in
 .sp
 .BR sigaltstack ():
-_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
+.ad l
+.RS 4
+.TP 4
+Since glibc 2.12
+_BSD_SOURCE || _XOPEN_SOURCE >= 500 ||
+_XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED ||
+_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
+.TP
+Before glibc 2.12
+_BSD_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
+.RE
+.ad
 .SH DESCRIPTION
 .BR sigaltstack ()
 allows a process to define a new alternate

diff --git a/man3/siginterrupt.3 b/man3/siginterrupt.3
index ad8e2733b5d63de83dff34a6a6b880c00acb2087..b7ff415b80213e7de59d3ad94a97414e5481a960 100644 (file)
--- a/man3/siginterrupt.3
+++ b/man3/siginterrupt.3
@@ -42,7 +42,18 @@ Feature Test Macro Requirements for glibc (see
 .in
 .sp
 .BR siginterrupt ():
-_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
+.ad l
+.RS 4
+.TP 4
+Since glibc 2.12
+_BSD_SOURCE || _XOPEN_SOURCE >= 500 ||
+_XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED ||
+_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
+.TP
+Before glibc 2.12
+_BSD_SOURCE || _XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED
+.RE
+.ad
 .SH DESCRIPTION
 The
 .BR siginterrupt ()