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gfortran.texi: Add documentation for GFORTRAN_UNBUFFERED_n environment variables.

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2007-06-17  Janne Blomqvist  <jb@gcc.gnu.org>

	* gfortran.texi: Add documentation for GFORTRAN_UNBUFFERED_n
	environment variables. Fix documentation for
	GFORTRAN_UNBUFFERED_ALL environment variable.

From-SVN: r125766
This commit is contained in:
Janne Blomqvist 2007-06-17 09:18:38 +03:00
parent c09d5c7cff
commit 6e34d7b8a6
2 changed files with 25 additions and 8 deletions
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6
gcc/fortran/ChangeLog
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@ -1,3 +1,9 @@
2007-06-17 Janne Blomqvist <jb@gcc.gnu.org>
* gfortran.texi: Add documentation for GFORTRAN_UNBUFFERED_n
environment variables. Fix documentation for
GFORTRAN_UNBUFFERED_ALL environment variable.
2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
* trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use

27
gcc/fortran/gfortran.texi
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@ -512,7 +512,8 @@ Malformed environment variables are silently ignored.
* GFORTRAN_STDERR_UNIT:: Unit number for standard error * GFORTRAN_STDERR_UNIT:: Unit number for standard error
* GFORTRAN_USE_STDERR:: Send library output to standard error * GFORTRAN_USE_STDERR:: Send library output to standard error
* GFORTRAN_TMPDIR:: Directory for scratch files * GFORTRAN_TMPDIR:: Directory for scratch files
* GFORTRAN_UNBUFFERED_ALL:: Don't buffer output * GFORTRAN_UNBUFFERED_n:: Don't buffer I/O for specific unit.
* GFORTRAN_UNBUFFERED_ALL:: Don't buffer I/O for all units.
* GFORTRAN_SHOW_LOCUS:: Show location for runtime errors * GFORTRAN_SHOW_LOCUS:: Show location for runtime errors
* GFORTRAN_OPTIONAL_PLUS:: Print leading + where permitted * GFORTRAN_OPTIONAL_PLUS:: Print leading + where permitted
* GFORTRAN_DEFAULT_RECL:: Default record length for new files * GFORTRAN_DEFAULT_RECL:: Default record length for new files
@ -559,14 +560,24 @@ created. If this environment variable is missing,
GNU Fortran searches for the environment variable @env{TMP}. If GNU Fortran searches for the environment variable @env{TMP}. If
this is also missing, the default is @file{/tmp}. this is also missing, the default is @file{/tmp}.
@node GFORTRAN_UNBUFFERED_ALL @node GFORTRAN_UNBUFFERED_n
@section @env{GFORTRAN_UNBUFFERED_ALL}---Don't buffer output @section @env{GFORTRAN_UNBUFFERED_n}---Don't buffer I/O on unit n
This environment variable controls whether all output is unbuffered. Environment variables named @env{GFORTRAN_UNBUFFERED_n}, where
If the first letter is @samp{y}, @samp{Y} or @samp{1}, all output is @samp{n} is an integer, control whether I/O on unit @samp{n} is
unbuffered. This will slow down large writes. If the first letter is unbuffered. If the first letter is @samp{y}, @samp{Y} or @samp{1},
@samp{n}, @samp{N} or @samp{0}, output is buffered. This is the I/O is unbuffered. This will slow down small sequential reads and
default. 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
This environment variable controls whether all I/O is unbuffered. If
the first letter is @samp{y}, @samp{Y} or @samp{1}, all 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 @node GFORTRAN_SHOW_LOCUS
@section @env{GFORTRAN_SHOW_LOCUS}---Show location for runtime errors @section @env{GFORTRAN_SHOW_LOCUS}---Show location for runtime errors