Mercurial > ecos
diff packages/services/memalloc/common/current/tests/memfix2.cxx @ 115:6ed91473a1cd ecos-sw-2000-08-21
Merge from eCos master repository on 2000-08-21-22:40:54-BST
| author | jlarmour |
|---|---|
| date | Fri, 25 Aug 2000 17:32:38 +0000 |
| parents | |
| children | eb9fd8c04db3 |
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new file mode 100644 --- /dev/null +++ b/packages/services/memalloc/common/current/tests/memfix2.cxx @@ -0,0 +1,139 @@ +//========================================================================== +// +// memfix2.cxx +// +// Fixed memory pool test 2 +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): dsm, jlarmour +// Contributors: +// Date: 2000-06-18 +// Description: test allocation and freeing in fixed memory pools +//####DESCRIPTIONEND#### + +#include <pkgconf/memalloc.h> +#include <pkgconf/system.h> + +#ifdef CYGPKG_KERNEL +#include <pkgconf/kernel.h> + +#include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start() +#include <cyg/kernel/thread.hxx> // Cyg_Thread +#include <cyg/kernel/thread.inl> +#include <cyg/kernel/sema.hxx> + +#include <cyg/kernel/sched.inl> + + +#define NTHREADS 1 +#include "testaux.hxx" + +#endif + +#include <cyg/memalloc/memfixed.hxx> + +#include <cyg/infra/testcase.h> + +static const cyg_int32 memsize = 1024; + +static cyg_uint8 mem[memsize]; + +#define NUM_PTRS 16 // Should be even +#define BLOCKSIZE 12 + +static Cyg_Mempool_Fixed mempool(mem, memsize, BLOCKSIZE); + +static cyg_uint8 *ptr[NUM_PTRS]; + +// We make a number of passes over a table of pointers which point to +// blocks of allocated memory. The block is freed and a new block +// allocated. The order of the processing of blocks is varied. +static void entry( CYG_ADDRWORD data ) +{ + for(cyg_ucount32 passes = 0; passes < 10; passes++) { + + + // The order which the table is processed varies according to + // stepsize. + cyg_ucount8 stepsize = (passes*2 + 1) % NUM_PTRS; // odd + + + for(cyg_ucount8 c=0, i=0; c < NUM_PTRS; c++) { + i = (i+stepsize) % NUM_PTRS; + if(ptr[i]) { + for(cyg_ucount32 j=BLOCKSIZE;j--;) { + CYG_TEST_CHECK(ptr[i][j]==i, "Memory corrupted"); + } + CYG_TEST_CHECK(mempool.free(ptr[i]), "bad free"); + } + ptr[i] = mempool.try_alloc(); + + CYG_TEST_CHECK(NULL != ptr[i], "Memory pool not big enough"); + CYG_TEST_CHECK(mem<=ptr[i] && ptr[i]+BLOCKSIZE < mem+memsize, + "Allocated region not within pool"); + + // Scribble over memory to check whether region overlaps + // with other regions. The contents of the memory are + // checked on freeing. This also tests that the memory + // does not overlap with allocator memory structures. + for(cyg_ucount32 j=BLOCKSIZE;j--;) { + ptr[i][j]=i; + } + } + } + + CYG_TEST_PASS_FINISH("Fixed memory pool 2 OK"); +} + + +void memfix2_main( void ) +{ + CYG_TEST_INIT(); + CYG_TEST_INFO("Starting Fixed memory pool 2 test"); + + for(cyg_ucount32 i = 0; i<NUM_PTRS; i++) { + ptr[i] = NULL; + } + +#ifdef CYGPKG_KERNEL + new_thread(entry, 0); + Cyg_Scheduler::start(); +#else + entry(0); +#endif + + CYG_TEST_FAIL_FINISH("Not reached"); +} + +externC void +cyg_start( void ) +{ + memfix2_main(); +} +// EOF memfix2.cxx
