/* Thread/recursion locking
- Copyright 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright 2002, 2003, 2004, 2005, 2007, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org> and Andy Vaught
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
+This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
-version 2 of the License, or (at your option) any later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
+version 3 of the License, or (at your option) any later version.
Libgfortran is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-You should have received a copy of the GNU General Public
-License along with libgfortran; see the file COPYING. If not,
-write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#include "config.h"
-#include <string.h>
-#include "libgfortran.h"
-#include "io.h"
-
-st_parameter ioparm = { };
-iexport_data(ioparm);
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
-namelist_info *ionml = 0;
-global_t g = { };
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+#include "io.h"
+#include <string.h>
+#include <stdlib.h>
/* library_start()-- Called with a library call is entered. */
void
-library_start (void)
+library_start (st_parameter_common *cmp)
{
- if (g.in_library)
- internal_error ("Recursive library calls not allowed");
-
- /* The in_library flag indicates whether we're currently processing a
- library call. Some calls leave immediately, but READ and WRITE
- processing return control to the caller but are still considered to
- stay within the library. */
- g.in_library = 1;
-
- if (ioparm.iostat != NULL && ioparm.library_return == LIBRARY_OK)
- *ioparm.iostat = ERROR_OK;
+ if ((cmp->flags & IOPARM_LIBRETURN_ERROR) != 0)
+ return;
- ioparm.library_return = LIBRARY_OK;
+ cmp->flags &= ~IOPARM_LIBRETURN_MASK;
}
-/* library_end()-- Called when a library call is complete in order to
- clean up for the next call. */
-
void
-library_end (void)
+free_ionml (st_parameter_dt *dtp)
{
- int t;
namelist_info * t1, *t2;
- g.in_library = 0;
- filename = NULL;
- line = 0;
- t = ioparm.library_return;
-
/* Delete the namelist, if it exists. */
- if (ionml != NULL)
+ if (dtp->u.p.ionml != NULL)
{
- t1 = ionml;
+ t1 = dtp->u.p.ionml;
while (t1 != NULL)
{
t2 = t1;
t1 = t1->next;
- free_mem (t2->var_name);
+ free (t2->var_name);
if (t2->var_rank)
{
- free_mem (t2->dim);
- free_mem (t2->ls);
+ free (t2->dim);
+ free (t2->ls);
}
- free_mem (t2);
+ free (t2);
}
}
- ionml = NULL;
-
- memset (&ioparm, '\0', sizeof (ioparm));
- ioparm.library_return = t;
+ dtp->u.p.ionml = NULL;
}
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