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libgomp.texi: Document implementation specific default values of environment variables.

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2007-01-14  Daniel Franke  <franke.daniel@gmail.com>

        * libgomp.texi: Document implementation specific default values of
        environment variables.

From-SVN: r120783
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Daniel Franke 2007-01-14 15:16:57 -05:00 committed by Daniel Franke
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@ -1,3 +1,8 @@
2007-01-14 Daniel Franke <franke.daniel@gmail.com>
* libgomp.texi: Document implementation specific default values of
environment variables.
2006-12-21 Daniel Franke <franke.daniel@gmail.com>
PR libgomp/28209

18
libgomp/libgomp.texi
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@ -412,10 +412,6 @@ Specifies the number of threads used by default in subsequent parallel
sections, if those do not specify a @code{num_threads} clause. The
argument of @code{omp_set_num_threads} shall be a positive integer.
If the argument is negative integer or zero, the application will crash or
stop, respectively. An enhancement request was filed,
@uref{http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29949, PR29949}.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
@item @emph{Prototype}: @tab @code{void omp_set_num_threads(int);}
@ -807,7 +803,8 @@ extensions.
@item @emph{Description}:
Enable or disable the dynamic adjustment of the number of threads
within a team. The value of this environment variable shall be
@code{TRUE} or @code{FALSE}.
@code{TRUE} or @code{FALSE}. If undefined, dynamic adjustment is
disabled by default.
@item @emph{See also}:
@ref{omp_set_dynamic}
@ -825,7 +822,8 @@ within a team. The value of this environment variable shall be
@item @emph{Description}:
Enable or disable nested parallel regions, i. e. whether team members
are allowed to create new teams. The value of this environment variable
shall be @code{TRUE} or @code{FALSE}.
shall be @code{TRUE} or @code{FALSE}. If undefined, nested parallel
regions are disabled by default.
@item @emph{See also}:
@ref{omp_set_nested}
@ -862,10 +860,11 @@ positive integer.
Allows to specify @code{schedule type} and @code{chunk size}.
The value of the variable shall have the form: @code{type[,chunk]} where
@code{type} is one of @code{static}, @code{dynamic} or @code{guided}.
The optional @code{chunk size} shall be a positive integer.
The optional @code{chunk size} shall be a positive integer. If undefined,
dynamic scheduling and a chunk size of 1 is used.
@item @emph{Reference}:
@uref{http://www.openmp.org/, OpenMP specifications v2.5}, section 4.1
@uref{http://www.openmp.org/, OpenMP specifications v2.5}, sections 2.5.1 and 4.1
@end table
@ -895,7 +894,8 @@ GCC Patches Mailinglist}
Set the default thread stack size in kilobytes. This is in opposition
to @code{pthread_attr_setstacksize} which gets the number of bytes as an
argument. If the stacksize can not be set due to system constraints, an
error is reported and the initial stacksize is left unchanged.
error is reported and the initial stacksize is left unchanged. If undefined,
the stack size is system dependent.
@item @emph{Reference}:
@uref{http://gcc.gnu.org/ml/gcc-patches/2006-06/msg00493.html,