bitmap.h

Go to the documentation of this file.

/*
 * Copyright © 2009 CNRS
 * Copyright © 2009-2011 INRIA.  All rights reserved.
 * Copyright © 2009-2010 Université Bordeaux 1
 * Copyright © 2009-2011 Cisco Systems, Inc.  All rights reserved.
 * See COPYING in top-level directory.
 */

#ifndef HWLOC_BITMAP_H
#define HWLOC_BITMAP_H

#include <hwloc/autogen/config.h>
#include <assert.h>


#ifdef __cplusplus
extern "C" {
#endif


typedef struct hwloc_bitmap_s * hwloc_bitmap_t;
typedef const struct hwloc_bitmap_s * hwloc_const_bitmap_t;


/*
 * Bitmap allocation, freeing and copying.
 */

 hwloc_bitmap_t hwloc_bitmap_alloc(void) ;

 hwloc_bitmap_t hwloc_bitmap_alloc_full(void) ;

 void hwloc_bitmap_free(hwloc_bitmap_t bitmap);

 hwloc_bitmap_t hwloc_bitmap_dup(hwloc_const_bitmap_t bitmap) ;

 void hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src);


/*
 * Bitmap/String Conversion
 */

 int hwloc_bitmap_snprintf(char * restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap);

 int hwloc_bitmap_asprintf(char ** strp, hwloc_const_bitmap_t bitmap);

 int hwloc_bitmap_sscanf(hwloc_bitmap_t bitmap, const char * restrict string);

 int hwloc_bitmap_taskset_snprintf(char * restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap);

 int hwloc_bitmap_taskset_asprintf(char ** strp, hwloc_const_bitmap_t bitmap);

 int hwloc_bitmap_taskset_sscanf(hwloc_bitmap_t bitmap, const char * restrict string);


/*
 * Building bitmaps.
 */

 void hwloc_bitmap_zero(hwloc_bitmap_t bitmap);

 void hwloc_bitmap_fill(hwloc_bitmap_t bitmap);

 void hwloc_bitmap_only(hwloc_bitmap_t bitmap, unsigned id);

 void hwloc_bitmap_allbut(hwloc_bitmap_t bitmap, unsigned id);

 void hwloc_bitmap_from_ulong(hwloc_bitmap_t bitmap, unsigned long mask);

 void hwloc_bitmap_from_ith_ulong(hwloc_bitmap_t bitmap, unsigned i, unsigned long mask);


/*
 * Modifying bitmaps.
 */

 void hwloc_bitmap_set(hwloc_bitmap_t bitmap, unsigned id);

 void hwloc_bitmap_set_range(hwloc_bitmap_t bitmap, unsigned begin, unsigned end);

 void hwloc_bitmap_set_ith_ulong(hwloc_bitmap_t bitmap, unsigned i, unsigned long mask);

 void hwloc_bitmap_clr(hwloc_bitmap_t bitmap, unsigned id);

 void hwloc_bitmap_clr_range(hwloc_bitmap_t bitmap, unsigned begin, unsigned end);

 void hwloc_bitmap_singlify(hwloc_bitmap_t bitmap);


/*
 * Consulting bitmaps.
 */

 unsigned long hwloc_bitmap_to_ulong(hwloc_const_bitmap_t bitmap) ;

 unsigned long hwloc_bitmap_to_ith_ulong(hwloc_const_bitmap_t bitmap, unsigned i) ;

 int hwloc_bitmap_isset(hwloc_const_bitmap_t bitmap, unsigned id) ;

 int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap) ;

 int hwloc_bitmap_isfull(hwloc_const_bitmap_t bitmap) ;

 int hwloc_bitmap_first(hwloc_const_bitmap_t bitmap) ;

 int hwloc_bitmap_next(hwloc_const_bitmap_t bitmap, unsigned prev) ;

 int hwloc_bitmap_last(hwloc_const_bitmap_t bitmap) ;

 int hwloc_bitmap_weight(hwloc_const_bitmap_t bitmap) ;

#define hwloc_bitmap_foreach_begin(id, bitmap) \
do { \
        assert(hwloc_bitmap_weight(bitmap) != -1); \
        for (id = hwloc_bitmap_first(bitmap); \
             (unsigned) id != (unsigned) -1; \
             id = hwloc_bitmap_next(bitmap, id)) { \

#define hwloc_bitmap_foreach_end() \
        } \
} while (0)


/*
 * Combining bitmaps.
 */

 void hwloc_bitmap_or (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);

 void hwloc_bitmap_and (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);

 void hwloc_bitmap_andnot (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);

 void hwloc_bitmap_xor (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2);

 void hwloc_bitmap_not (hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap);


/*
 * Comparing bitmaps.
 */

 int hwloc_bitmap_intersects (hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;

 int hwloc_bitmap_isincluded (hwloc_const_bitmap_t sub_bitmap, hwloc_const_bitmap_t super_bitmap) ;

 int hwloc_bitmap_isequal (hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;

 int hwloc_bitmap_compare_first(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;

 int hwloc_bitmap_compare(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2) ;

#ifdef __cplusplus
} /* extern "C" */
#endif


#endif /* HWLOC_BITMAP_H */