diff options
| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2007-10-19 04:16:14 +0000 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2007-10-19 04:16:14 +0000 |
| commit | f41899f6cadaee6ab5b8a82cfad27ddf1d7c9a44 (patch) | |
| tree | 5b5586cbe88760ef48e0e2655863e14f4d3c40cf /gcc | |
| parent | 1f94e1d88efeb405a810a72ad61ab637becb3761 (diff) | |
| download | gcc-f41899f6cadaee6ab5b8a82cfad27ddf1d7c9a44.zip gcc-f41899f6cadaee6ab5b8a82cfad27ddf1d7c9a44.tar.gz gcc-f41899f6cadaee6ab5b8a82cfad27ddf1d7c9a44.tar.bz2 | |
re PR fortran/33795 (Environment variable GFORTRAN_UNBUFFERED_<number> not working)
2007-10-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/33795
* gfortran.texi: Document GFORTRAN_UNBUFFERED_PRECONNECTED
environment variable. Delete mention of environment variable
GFORTRAN_UNBUFFERED_n.
From-SVN: r129471
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/fortran/gfortran.texi | 22 |
2 files changed, 18 insertions, 11 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 3a73653..a813ce6 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,10 @@ +2007-10-18 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/33795 + * gfortran.texi: Document GFORTRAN_UNBUFFERED_PRECONNECTED + environment variable. Delete mention of environment variable + GFORTRAN_UNBUFFERED_n. + 2007-10-18 Paul Thomas <pault@gcc.gnu.org> PR fortran/33233 diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi index 7d99f2e..3269e78 100644 --- a/gcc/fortran/gfortran.texi +++ b/gcc/fortran/gfortran.texi @@ -547,8 +547,8 @@ Malformed environment variables are silently ignored. * GFORTRAN_STDERR_UNIT:: Unit number for standard error * GFORTRAN_USE_STDERR:: Send library output to standard error * GFORTRAN_TMPDIR:: Directory for scratch files -* GFORTRAN_UNBUFFERED_n:: Don't buffer I/O for specific unit. * GFORTRAN_UNBUFFERED_ALL:: Don't buffer I/O for all units. +* GFORTRAN_UNBUFFERED_PRECONNECTED:: Don't buffer I/O for preconnected units. * GFORTRAN_SHOW_LOCUS:: Show location for runtime errors * GFORTRAN_OPTIONAL_PLUS:: Print leading + where permitted * GFORTRAN_DEFAULT_RECL:: Default record length for new files @@ -595,16 +595,6 @@ created. If this environment variable is missing, GNU Fortran searches for the environment variable @env{TMP}. If this is also missing, the default is @file{/tmp}. -@node GFORTRAN_UNBUFFERED_n -@section @env{GFORTRAN_UNBUFFERED_n}---Don't buffer I/O on unit n - -Environment variables named @env{GFORTRAN_UNBUFFERED_n}, where -@samp{n} is an integer, control whether I/O on unit @samp{n} is -unbuffered. If the first letter is @samp{y}, @samp{Y} or @samp{1}, -I/O is unbuffered. This will slow down small sequential reads and -writes. If the first letter is @samp{n}, @samp{N} or @samp{0}, I/O is -buffered. This is the default. - @node GFORTRAN_UNBUFFERED_ALL @section @env{GFORTRAN_UNBUFFERED_ALL}---Don't buffer I/O on all units @@ -614,6 +604,16 @@ unbuffered. This will slow down small sequential reads and writes. If the first letter is @samp{n}, @samp{N} or @samp{0}, I/O is buffered. This is the default. +@node GFORTRAN_UNBUFFERED_PRECONNECTED +@section @env{GFORTRAN_UNBUFFERED_PRECONNECTED}---Don't buffer I/O on +preconnected units + +The environment variable named @env{GFORTRAN_UNBUFFERED_PRECONNECTED} controls +whether I/O on a preconnected unit (i.e STDOUT or STDERR) is unbuffered. If +the first letter is @samp{y}, @samp{Y} or @samp{1}, I/O is unbuffered. This +will slow down small sequential reads and writes. If the first letter +is @samp{n}, @samp{N} or @samp{0}, I/O is buffered. This is the default. + @node GFORTRAN_SHOW_LOCUS @section @env{GFORTRAN_SHOW_LOCUS}---Show location for runtime errors |