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comparison packages/services/memalloc/common/current/include/mvarimpl.inl @ 1687:eb235374a7ae

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2004-06-24 Oyvind Harboe <oyvind.harboe@zylin.com> * Added cyg_memalloc_alloc_fail() fn which is invoked before return NULL from failed allocations. Useful breakpoint site. Andrew Lunn wrote some of the code and pointed out various wrinkles to be ironed out.
author asl
date Mon, 05 Jul 2004 11:07:04 +0000
parents d2c90368aeef
children
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1686:961151dc048e 1687:eb235374a7ae
273 freemem -=size; 273 freemem -=size;
274 274
275 cyg_uint8 *ptr = memdq2alloc( dq ); 275 cyg_uint8 *ptr = memdq2alloc( dq );
276 CYG_ASSERT( ((CYG_ADDRESS)ptr & (alignment-1)) == 0, 276 CYG_ASSERT( ((CYG_ADDRESS)ptr & (alignment-1)) == 0,
277 "returned memory not aligned" ); 277 "returned memory not aligned" );
278 CYG_MEMALLOC_FAIL_TEST(ptr==NULL, size);
279
278 return ptr; 280 return ptr;
279 } 281 }
280 282
281 // ------------------------------------------------------------------------- 283 // -------------------------------------------------------------------------
282 // resize existing allocation, if oldsize is non-NULL, previous 284 // resize existing allocation, if oldsize is non-NULL, previous
356 } // if 358 } // if
357 else if ( newsize == dq->size ) { 359 else if ( newsize == dq->size ) {
358 ret = alloc_ptr; 360 ret = alloc_ptr;
359 } 361 }
360 362
363 CYG_MEMALLOC_FAIL_TEST(ret==NULL, newsize);
364
361 return ret; 365 return ret;
362 366
363 } // resize_alloc() 367 } // resize_alloc()
364 368
365 369