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//===-- sanitizer/lsan_interface.h ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of LeakSanitizer.
//
// Public interface header.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_LSAN_INTERFACE_H
#define SANITIZER_LSAN_INTERFACE_H
#include <sanitizer/common_interface_defs.h>
#ifdef __cplusplus
extern "C" {
#endif
// Allocations made between calls to __lsan_disable() and __lsan_enable() will
// be treated as non-leaks. Disable/enable pairs may be nested.
void __lsan_disable();
void __lsan_enable();
// The heap object into which p points will be treated as a non-leak.
void __lsan_ignore_object(const void *p);
// Memory regions registered through this interface will be treated as sources
// of live pointers during leak checking. Useful if you store pointers in
// mapped memory.
// Points of note:
// - __lsan_unregister_root_region() must be called with the same pointer and
// size that have earlier been passed to __lsan_register_root_region()
// - LSan will skip any inaccessible memory when scanning a root region. E.g.,
// if you map memory within a larger region that you have mprotect'ed, you can
// register the entire large region.
// - the implementation is not optimized for performance. This interface is
// intended to be used for a small number of relatively static regions.
void __lsan_register_root_region(const void *p, size_t size);
void __lsan_unregister_root_region(const void *p, size_t size);
// Calling this function makes LSan enter the leak checking phase immediately.
// Use this if normal end-of-process leak checking happens too late (e.g. if
// you have intentional memory leaks in your shutdown code). Calling this
// function overrides end-of-process leak checking; it must be called at
// most once per process. This function will terminate the process if there
// are memory leaks and the exit_code flag is non-zero.
void __lsan_do_leak_check();
// The user may optionally provide this function to disallow leak checking
// for the program it is linked into (if the return value is non-zero). This
// function must be defined as returning a constant value; any behavior beyond
// that is unsupported.
int __lsan_is_turned_off();
// This function may be optionally provided by the user and should return
// a string containing LSan suppressions.
const char *__lsan_default_suppressions();
#ifdef __cplusplus
} // extern "C"
namespace __lsan {
class ScopedDisabler {
public:
ScopedDisabler() { __lsan_disable(); }
~ScopedDisabler() { __lsan_enable(); }
};
} // namespace __lsan
#endif
#endif // SANITIZER_LSAN_INTERFACE_H
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