160 lines
3.4 KiB
C
160 lines
3.4 KiB
C
/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2011 Fredrik Johansson
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******************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include "flint.h"
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#if HAVE_GC
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#include "gc.h"
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#endif
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#if FLINT_REENTRANT && !HAVE_TLS
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#include <pthread.h>
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static pthread_once_t register_initialised = PTHREAD_ONCE_INIT;
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pthread_mutex_t register_lock;
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#endif
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static void flint_memory_error()
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{
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flint_printf("Exception (FLINT memory_manager). Unable to allocate memory.\n");
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abort();
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}
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void * flint_malloc(size_t size)
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{
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void * ptr;
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#if HAVE_GC
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ptr = GC_malloc(size);
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#else
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ptr = malloc(size);
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#endif
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if (ptr == NULL)
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flint_memory_error();
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return ptr;
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}
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void * flint_realloc(void * ptr, size_t size)
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{
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void * ptr2;
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#if HAVE_GC
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ptr2 = GC_realloc(ptr, size);
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#else
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ptr2 = realloc(ptr, size);
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#endif
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if (ptr2 == NULL)
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flint_memory_error();
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return ptr2;
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}
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void * flint_calloc(size_t num, size_t size)
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{
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void * ptr;
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#if HAVE_GC
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ptr = GC_malloc(num*size);
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#else
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ptr = calloc(num, size);
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#endif
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if (ptr == NULL)
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flint_memory_error();
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return ptr;
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}
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void flint_free(void * ptr)
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{
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#if !HAVE_GC
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free(ptr);
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#endif
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}
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FLINT_TLS_PREFIX size_t flint_num_cleanup_functions = 0;
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FLINT_TLS_PREFIX flint_cleanup_function_t * flint_cleanup_functions = NULL;
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#if FLINT_REENTRANT && !HAVE_TLS
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void register_init()
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{
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pthread_mutex_init(®ister_lock, NULL);
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}
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#endif
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void flint_register_cleanup_function(flint_cleanup_function_t cleanup_function)
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{
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#if FLINT_REENTRANT && !HAVE_TLS
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pthread_once(®ister_initialised, register_init);
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pthread_mutex_lock(®ister_lock);
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#endif
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flint_cleanup_functions = flint_realloc(flint_cleanup_functions,
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(flint_num_cleanup_functions + 1) * sizeof(flint_cleanup_function_t));
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flint_cleanup_functions[flint_num_cleanup_functions] = cleanup_function;
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flint_num_cleanup_functions++;
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#if FLINT_REENTRANT && !HAVE_TLS
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pthread_mutex_unlock(®ister_lock);
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#endif
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}
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void _fmpz_cleanup();
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void flint_cleanup()
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{
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size_t i;
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#if FLINT_REENTRANT && !HAVE_TLS
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pthread_mutex_lock(®ister_lock);
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#endif
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for (i = 0; i < flint_num_cleanup_functions; i++)
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flint_cleanup_functions[i]();
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flint_free(flint_cleanup_functions);
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flint_cleanup_functions = NULL;
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flint_num_cleanup_functions = 0;
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mpfr_free_cache();
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_fmpz_cleanup();
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#if FLINT_REENTRANT && !HAVE_TLS
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pthread_mutex_unlock(®ister_lock);
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#endif
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}
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