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// $Id: test_multiple_mallocs.cpp 91671 2010-09-08 18:39:23Z johnnyw $
// Test the capability of <ACE_Malloc> to handle multiple mallocs
// rooted at different base addresses.
#include "ace/OS_NS_string.h"
#include "ace/Malloc_T.h"
#include "ace/MMAP_Memory_Pool.h"
#include "ace/Auto_Ptr.h"
#include "ace/Process_Mutex.h"
typedef ACE_Malloc <ACE_MMAP_MEMORY_POOL, ACE_Process_Mutex> TEST_MALLOC;
#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)
// The Address for the shared memory mapped files defaults to wherever
// the OS wants to map it.
const void *REQUEST_BASE_ADDR = 0;
const void *RESPONSE_BASE_ADDR = 0;
#else
// Default address for shared memory mapped files and SYSV shared
// memory (defaults to 64 M).
const void *REQUEST_BASE_ADDR = ((void *) (64 * 1024 * 1024));
// Default address for shared memory mapped files and SYSV shared
// memory (defaults to 64 M).
const void *RESPONSE_BASE_ADDR = ((void *) (128 * 1024 * 1024));
#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */
static const char *request_string = "hello from request repository";
static const char *response_string = "hello from response repository";
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_MMAP_Memory_Pool_Options request_options (REQUEST_BASE_ADDR);
// Create an adapter version of an allocator.
ACE_Allocator_Adapter<TEST_MALLOC> *adapter_ptr = 0;
ACE_NEW_RETURN (adapter_ptr,
ACE_Allocator_Adapter<TEST_MALLOC> ("request_file",
"request_lock",
&request_options),
1);
auto_ptr <ACE_Allocator_Adapter<TEST_MALLOC> > shmem_request (adapter_ptr);
ACE_MMAP_Memory_Pool_Options response_options (RESPONSE_BASE_ADDR);
TEST_MALLOC *ptr = 0;
// Create a non-adapter version of an allocator.
ACE_NEW_RETURN (ptr,
TEST_MALLOC (ACE_TEXT("response_file"),
ACE_TEXT("response_lock"),
&response_options),
1);
auto_ptr <TEST_MALLOC> shmem_response (ptr);
void *data = 0;
// If we find "foo" then we're running the "second" time, so we must
// release the resources.
if (shmem_request->find ("foo",
data) == 0)
{
ACE_DEBUG ((LM_DEBUG,
"%s\n",
data));
shmem_request->remove ();
}
// This is the first time in, so we allocate the memory and bind it
// to the name "foo".
else
{
ACE_ALLOCATOR_RETURN (data,
shmem_request->malloc (ACE_OS::strlen (request_string) + 1),
1);
ACE_OS::strcpy ((char *) data,
request_string);
if (shmem_request->bind ("foo",
data) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"bind"),
1);
}
data = 0;
// If we find "foo" then we're running the "second" time, so we must
// release the resources.
if (shmem_response->find ("foo",
data) == 0)
{
ACE_DEBUG ((LM_DEBUG,
"%s\n",
data));
shmem_response->remove ();
ACE_DEBUG ((LM_DEBUG,
"all shared memory resources have been released\n"));
}
// This is the first time in, so we allocate the memory and bind it
// to the name "foo".
else
{
ACE_ALLOCATOR_RETURN (data,
shmem_response->malloc (ACE_OS::strlen (response_string) + 1),
1);
ACE_OS::strcpy ((char *) data,
response_string);
if (shmem_response->bind ("foo",
data) == -1)
ACE_ERROR ((LM_ERROR,
"%p\n",
"bind"));
else
ACE_DEBUG ((LM_DEBUG,
"Run again to see results and release resources.\n"));
}
return 0;
}
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