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opal_pointer_array: fix FIND_FIRST_ZERO() when all bits are set #3413

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opal_pointer_array: fix FIND_FIRST_ZERO() when all bits are set #3413

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16 changes: 14 additions & 2 deletions opal/class/opal_pointer_array.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
Expand Down Expand Up @@ -92,11 +94,21 @@ static void opal_pointer_array_destruct(opal_pointer_array_t *array)
do { \
uint32_t __b_idx, __b_pos; \
GET_BIT_POS((START_IDX), __b_idx, __b_pos); \
for (; table->free_bits[__b_idx] == 0xFFFFFFFFFFFFFFFFULL; __b_idx++); \
assert(__b_idx < (uint32_t)table->size); \
while(table->free_bits[__b_idx] == 0xFFFFFFFFFFFFFFFFULL) { \
if (__b_idx < (TYPE_ELEM_COUNT(uint64_t, table->size)-1)) {\
__b_idx++; \
} else { \
break; \
} \
} \
assert(__b_idx < TYPE_ELEM_COUNT(uint64_t, table->size)); \
uint64_t __check_value = table->free_bits[__b_idx]; \
__b_pos = 0; \
\
if( 0xFFFFFFFFFFFFFFFFULL == __check_value ) { \
assert(!SET); \
__check_value = 0; __b_pos += 64; \
} \
if( 0x00000000FFFFFFFFULL == (__check_value & 0x00000000FFFFFFFFULL) ) { \
__check_value >>= 32; __b_pos += 32; \
} \
Expand Down