diff options
Diffstat (limited to 'doc/posix-functions/_setjmp.texi')
| -rw-r--r-- | doc/posix-functions/_setjmp.texi | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/posix-functions/_setjmp.texi b/doc/posix-functions/_setjmp.texi index 7c1dc320f6..abf1825224 100644 --- a/doc/posix-functions/_setjmp.texi +++ b/doc/posix-functions/_setjmp.texi @@ -15,7 +15,10 @@ Portability problems not fixed by Gnulib: @item This function is missing on some platforms: Solaris 2.5.1. - -@item -This function is obsolete; use @code{sigsetjmp} instead. @end itemize + +Note: A future revision of POSIX later than the 2008/2009 one may drop the +functions @code{_setjmp} and @code{_longjmp}. Still, in 2008, on all +systems which have @code{_setjmp}, it is the fastest way to save the +registers but not the signal mask (up to 30 times faster than @code{setjmp} +on some systems). |