[STDCXX-587] purify reports memory leak from __rw_tmpbuf in 20.temp.buffer.mt

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.2.0
• Fix Version/s: 4.2.1
• Component/s: Tests
• Patch Info: Patch Available
• Severity: Resource Leak
• Assignee: Travis Vitek
• Reporter: Travis Vitek
• Created: 11/Oct/07 23:43
• Updated: 12/Nov/07 14:41
• Resolved: 12/Nov/07 14:41

Description

Each test thread iterates some number of times switching on a counter. If the last iteration runs one of the allocation functions, the temporary buffer will not be deallocated when the thread exits.

Purify: Searching for all memory leaks...

Memory leaked: 42 bytes (6.98%); potentially leaked: 0 bytes (0%)

MLK: 24 bytes leaked at 0x81089d0

• This memory was allocated from:
  malloc [rtlib.o]
  operator new(unsigned) [libstd15d.so]
  _rw::_rw_allocate(unsigned, int) [memory.cpp:53]
  __rw_tmpbuf [tmpbuf.cpp:115]
  std::pair<long long*, int > std::get_temporary_buffer<long long, int >(int, long long*) [_rawiter.h:138]
  std::pair<long long*, int > std::get_temporary_buffer<long long>(int) [_rawiter.h:153]

MLK: 18 bytes leaked at 0x8108a38

• This memory was allocated from:
  malloc [rtlib.o]
  operator new(unsigned) [libstd15d.so]
  _rw::_rw_allocate(unsigned, int) [memory.cpp:53]
  __rw_tmpbuf [tmpbuf.cpp:115]
  std::pair<short*, int > std::get_temporary_buffer<short, int >(int, short*) [_rawiter.h:138]
  std::pair<short*, int > std::get_temporary_buffer<short>(int) [_rawiter.h:153]