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Code Issues

Move class HugeStaticBuffer into common place, per Claudio request

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This commit is contained in:
hvlad 2008-02-28 09:48:11 +00:00
parent de1695292e
commit f700c79d81
3 changed files with 25 additions and 56 deletions
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19
src/jrd/os/pio.h
View File

@ -122,6 +122,25 @@ const UCHAR PIOB_success = 2; /* I/O successfully completed */
const UCHAR PIOB_pending = 4; /* Asynchronous I/O not yet completed */
#endif
static const int ZERO_BUF_SIZE = 1024 * 128;
class HugeStaticBuffer
{
public:
HugeStaticBuffer(MemoryPool& p)
: zeroArray(p),
zeroBuff(zeroArray.getBuffer(ZERO_BUF_SIZE))
{
memset(zeroBuff, 0, ZERO_BUF_SIZE);
}
const char* get() { return zeroBuff; }
private:
Firebird::Array<char> zeroArray;
char* zeroBuff;
};
} //namespace Jrd
#endif // JRD_PIO_H

31
src/jrd/os/posix/unix.cpp
View File

@ -506,34 +506,9 @@ void PIO_header(Database* dbb, SCHAR * address, int length)
#endif
}
namespace {
// we need a class here only to return memory on shutdown and avoid
// false memory leak reports
static const int ZERO_BUF_SIZE = 1024 * 128;
class HugeStaticBuffer
{
public:
explicit HugeStaticBuffer(MemoryPool& p)
: zeroArray(p),
zeroBuff(zeroArray.getBuffer(ZERO_BUF_SIZE))
{
memset(zeroBuff, 0, ZERO_BUF_SIZE);
}
const char* get() const { return zeroBuff; }
private:
// copying is prohibited
HugeStaticBuffer(const HugeStaticBuffer&);
HugeStaticBuffer& operator=(const HugeStaticBuffer&);
Firebird::Array<char> zeroArray;
char* const zeroBuff;
};
static Firebird::InitInstance<HugeStaticBuffer> zeros;
}
// we need a class here only to return memory on shutdown and avoid
// false memory leak reports
static Firebird::InitInstance<HugeStaticBuffer> zeros;
USHORT PIO_init_data(Database* dbb, jrd_file* main_file, ISC_STATUS* status_vector,

31
src/jrd/os/win32/winnt.cpp
View File

@ -481,34 +481,9 @@ void PIO_header(Database* dbb, SCHAR * address, int length)
#endif
}
namespace {
// we need a class here only to return memory on shutdown and avoid
// false memory leak reports
static const int ZERO_BUF_SIZE = 1024 * 128;
class HugeStaticBuffer
{
public:
explicit HugeStaticBuffer(MemoryPool& p)
: zeroArray(p),
zeroBuff(zeroArray.getBuffer(ZERO_BUF_SIZE))
{
memset(zeroBuff, 0, ZERO_BUF_SIZE);
}
const char* get() const { return zeroBuff; }
private:
// copying is prohibited
HugeStaticBuffer(const HugeStaticBuffer&);
HugeStaticBuffer& operator=(const HugeStaticBuffer&);
Firebird::Array<char> zeroArray;
char* const zeroBuff;
};
static Firebird::InitInstance<HugeStaticBuffer> zeros;
}
// we need a class here only to return memory on shutdown and avoid
// false memory leak reports
static Firebird::InitInstance<HugeStaticBuffer> zeros;
USHORT PIO_init_data(Database* dbb, jrd_file* main_file, ISC_STATUS* status_vector,