| //=-- lsan_interceptors.cpp -----------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of LeakSanitizer. |
| // Interceptors for standalone LSan. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "interception/interception.h" |
| #include "sanitizer_common/sanitizer_allocator.h" |
| #include "sanitizer_common/sanitizer_allocator_report.h" |
| #include "sanitizer_common/sanitizer_atomic.h" |
| #include "sanitizer_common/sanitizer_common.h" |
| #include "sanitizer_common/sanitizer_flags.h" |
| #include "sanitizer_common/sanitizer_internal_defs.h" |
| #include "sanitizer_common/sanitizer_linux.h" |
| #include "sanitizer_common/sanitizer_platform_interceptors.h" |
| #include "sanitizer_common/sanitizer_platform_limits_netbsd.h" |
| #include "sanitizer_common/sanitizer_platform_limits_posix.h" |
| #if SANITIZER_POSIX |
| #include "sanitizer_common/sanitizer_posix.h" |
| #endif |
| #include "sanitizer_common/sanitizer_tls_get_addr.h" |
| #include "lsan.h" |
| #include "lsan_allocator.h" |
| #include "lsan_common.h" |
| #include "lsan_thread.h" |
| |
| #include <stddef.h> |
| |
| using namespace __lsan; |
| |
| extern "C" { |
| int pthread_attr_init(void *attr); |
| int pthread_attr_destroy(void *attr); |
| int pthread_attr_getdetachstate(void *attr, int *v); |
| int pthread_key_create(unsigned *key, void (*destructor)(void* v)); |
| int pthread_setspecific(unsigned key, const void *v); |
| } |
| |
| ///// Malloc/free interceptors. ///// |
| |
| namespace std { |
| struct nothrow_t; |
| enum class align_val_t: size_t; |
| } |
| |
| #if !SANITIZER_MAC |
| INTERCEPTOR(void*, malloc, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_malloc(size, stack); |
| } |
| |
| INTERCEPTOR(void, free, void *p) { |
| ENSURE_LSAN_INITED; |
| lsan_free(p); |
| } |
| |
| INTERCEPTOR(void*, calloc, uptr nmemb, uptr size) { |
| // This hack is not required for Fuchsia because there are no dlsym calls |
| // involved in setting up interceptors. |
| #if !SANITIZER_FUCHSIA |
| if (lsan_init_is_running) { |
| // Hack: dlsym calls calloc before REAL(calloc) is retrieved from dlsym. |
| const uptr kCallocPoolSize = 1024; |
| static uptr calloc_memory_for_dlsym[kCallocPoolSize]; |
| static uptr allocated; |
| uptr size_in_words = ((nmemb * size) + kWordSize - 1) / kWordSize; |
| void *mem = (void*)&calloc_memory_for_dlsym[allocated]; |
| allocated += size_in_words; |
| CHECK(allocated < kCallocPoolSize); |
| return mem; |
| } |
| #endif // !SANITIZER_FUCHSIA |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_calloc(nmemb, size, stack); |
| } |
| |
| INTERCEPTOR(void*, realloc, void *q, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_realloc(q, size, stack); |
| } |
| |
| INTERCEPTOR(void*, reallocarray, void *q, uptr nmemb, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_reallocarray(q, nmemb, size, stack); |
| } |
| |
| INTERCEPTOR(int, posix_memalign, void **memptr, uptr alignment, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_posix_memalign(memptr, alignment, size, stack); |
| } |
| |
| INTERCEPTOR(void*, valloc, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_valloc(size, stack); |
| } |
| #endif // !SANITIZER_MAC |
| |
| #if SANITIZER_INTERCEPT_MEMALIGN |
| INTERCEPTOR(void*, memalign, uptr alignment, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_memalign(alignment, size, stack); |
| } |
| #define LSAN_MAYBE_INTERCEPT_MEMALIGN INTERCEPT_FUNCTION(memalign) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_MEMALIGN |
| #endif // SANITIZER_INTERCEPT_MEMALIGN |
| |
| #if SANITIZER_INTERCEPT___LIBC_MEMALIGN |
| INTERCEPTOR(void *, __libc_memalign, uptr alignment, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| void *res = lsan_memalign(alignment, size, stack); |
| DTLS_on_libc_memalign(res, size); |
| return res; |
| } |
| #define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN INTERCEPT_FUNCTION(__libc_memalign) |
| #else |
| #define LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN |
| #endif // SANITIZER_INTERCEPT___LIBC_MEMALIGN |
| |
| #if SANITIZER_INTERCEPT_ALIGNED_ALLOC |
| INTERCEPTOR(void*, aligned_alloc, uptr alignment, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_aligned_alloc(alignment, size, stack); |
| } |
| #define LSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC INTERCEPT_FUNCTION(aligned_alloc) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC |
| #endif |
| |
| #if SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE |
| INTERCEPTOR(uptr, malloc_usable_size, void *ptr) { |
| ENSURE_LSAN_INITED; |
| return GetMallocUsableSize(ptr); |
| } |
| #define LSAN_MAYBE_INTERCEPT_MALLOC_USABLE_SIZE \ |
| INTERCEPT_FUNCTION(malloc_usable_size) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_MALLOC_USABLE_SIZE |
| #endif |
| |
| #if SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO |
| struct fake_mallinfo { |
| int x[10]; |
| }; |
| |
| INTERCEPTOR(struct fake_mallinfo, mallinfo, void) { |
| struct fake_mallinfo res; |
| internal_memset(&res, 0, sizeof(res)); |
| return res; |
| } |
| #define LSAN_MAYBE_INTERCEPT_MALLINFO INTERCEPT_FUNCTION(mallinfo) |
| |
| INTERCEPTOR(int, mallopt, int cmd, int value) { |
| return 0; |
| } |
| #define LSAN_MAYBE_INTERCEPT_MALLOPT INTERCEPT_FUNCTION(mallopt) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_MALLINFO |
| #define LSAN_MAYBE_INTERCEPT_MALLOPT |
| #endif // SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO |
| |
| #if SANITIZER_INTERCEPT_PVALLOC |
| INTERCEPTOR(void*, pvalloc, uptr size) { |
| ENSURE_LSAN_INITED; |
| GET_STACK_TRACE_MALLOC; |
| return lsan_pvalloc(size, stack); |
| } |
| #define LSAN_MAYBE_INTERCEPT_PVALLOC INTERCEPT_FUNCTION(pvalloc) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_PVALLOC |
| #endif // SANITIZER_INTERCEPT_PVALLOC |
| |
| #if SANITIZER_INTERCEPT_CFREE |
| INTERCEPTOR(void, cfree, void *p) ALIAS(WRAPPER_NAME(free)); |
| #define LSAN_MAYBE_INTERCEPT_CFREE INTERCEPT_FUNCTION(cfree) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_CFREE |
| #endif // SANITIZER_INTERCEPT_CFREE |
| |
| #if SANITIZER_INTERCEPT_MCHECK_MPROBE |
| INTERCEPTOR(int, mcheck, void (*abortfunc)(int mstatus)) { |
| return 0; |
| } |
| |
| INTERCEPTOR(int, mcheck_pedantic, void (*abortfunc)(int mstatus)) { |
| return 0; |
| } |
| |
| INTERCEPTOR(int, mprobe, void *ptr) { |
| return 0; |
| } |
| #endif // SANITIZER_INTERCEPT_MCHECK_MPROBE |
| |
| |
| // TODO(alekseys): throw std::bad_alloc instead of dying on OOM. |
| #define OPERATOR_NEW_BODY(nothrow)\ |
| ENSURE_LSAN_INITED;\ |
| GET_STACK_TRACE_MALLOC;\ |
| void *res = lsan_malloc(size, stack);\ |
| if (!nothrow && UNLIKELY(!res)) ReportOutOfMemory(size, &stack);\ |
| return res; |
| #define OPERATOR_NEW_BODY_ALIGN(nothrow)\ |
| ENSURE_LSAN_INITED;\ |
| GET_STACK_TRACE_MALLOC;\ |
| void *res = lsan_memalign((uptr)align, size, stack);\ |
| if (!nothrow && UNLIKELY(!res)) ReportOutOfMemory(size, &stack);\ |
| return res; |
| |
| #define OPERATOR_DELETE_BODY\ |
| ENSURE_LSAN_INITED;\ |
| lsan_free(ptr); |
| |
| // On OS X it's not enough to just provide our own 'operator new' and |
| // 'operator delete' implementations, because they're going to be in the runtime |
| // dylib, and the main executable will depend on both the runtime dylib and |
| // libstdc++, each of has its implementation of new and delete. |
| // To make sure that C++ allocation/deallocation operators are overridden on |
| // OS X we need to intercept them using their mangled names. |
| #if !SANITIZER_MAC |
| |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new(size_t size) { OPERATOR_NEW_BODY(false /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new[](size_t size) { OPERATOR_NEW_BODY(false /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new(size_t size, std::nothrow_t const&) |
| { OPERATOR_NEW_BODY(true /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new[](size_t size, std::nothrow_t const&) |
| { OPERATOR_NEW_BODY(true /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new(size_t size, std::align_val_t align) |
| { OPERATOR_NEW_BODY_ALIGN(false /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new[](size_t size, std::align_val_t align) |
| { OPERATOR_NEW_BODY_ALIGN(false /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new(size_t size, std::align_val_t align, std::nothrow_t const&) |
| { OPERATOR_NEW_BODY_ALIGN(true /*nothrow*/); } |
| INTERCEPTOR_ATTRIBUTE |
| void *operator new[](size_t size, std::align_val_t align, std::nothrow_t const&) |
| { OPERATOR_NEW_BODY_ALIGN(true /*nothrow*/); } |
| |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete(void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete[](void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete(void *ptr, std::nothrow_t const&) { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete[](void *ptr, std::nothrow_t const &) |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete(void *ptr, size_t size) NOEXCEPT |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete[](void *ptr, size_t size) NOEXCEPT |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete(void *ptr, std::align_val_t) NOEXCEPT |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete[](void *ptr, std::align_val_t) NOEXCEPT |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete(void *ptr, std::align_val_t, std::nothrow_t const&) |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete[](void *ptr, std::align_val_t, std::nothrow_t const&) |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete(void *ptr, size_t size, std::align_val_t) NOEXCEPT |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR_ATTRIBUTE |
| void operator delete[](void *ptr, size_t size, std::align_val_t) NOEXCEPT |
| { OPERATOR_DELETE_BODY; } |
| |
| #else // SANITIZER_MAC |
| |
| INTERCEPTOR(void *, _Znwm, size_t size) |
| { OPERATOR_NEW_BODY(false /*nothrow*/); } |
| INTERCEPTOR(void *, _Znam, size_t size) |
| { OPERATOR_NEW_BODY(false /*nothrow*/); } |
| INTERCEPTOR(void *, _ZnwmRKSt9nothrow_t, size_t size, std::nothrow_t const&) |
| { OPERATOR_NEW_BODY(true /*nothrow*/); } |
| INTERCEPTOR(void *, _ZnamRKSt9nothrow_t, size_t size, std::nothrow_t const&) |
| { OPERATOR_NEW_BODY(true /*nothrow*/); } |
| |
| INTERCEPTOR(void, _ZdlPv, void *ptr) |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR(void, _ZdaPv, void *ptr) |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR(void, _ZdlPvRKSt9nothrow_t, void *ptr, std::nothrow_t const&) |
| { OPERATOR_DELETE_BODY; } |
| INTERCEPTOR(void, _ZdaPvRKSt9nothrow_t, void *ptr, std::nothrow_t const&) |
| { OPERATOR_DELETE_BODY; } |
| |
| #endif // !SANITIZER_MAC |
| |
| |
| ///// Thread initialization and finalization. ///// |
| |
| #if !SANITIZER_NETBSD && !SANITIZER_FREEBSD && !SANITIZER_FUCHSIA |
| static unsigned g_thread_finalize_key; |
| |
| static void thread_finalize(void *v) { |
| uptr iter = (uptr)v; |
| if (iter > 1) { |
| if (pthread_setspecific(g_thread_finalize_key, (void*)(iter - 1))) { |
| Report("LeakSanitizer: failed to set thread key.\n"); |
| Die(); |
| } |
| return; |
| } |
| ThreadFinish(); |
| } |
| #endif |
| |
| #if SANITIZER_NETBSD |
| INTERCEPTOR(void, _lwp_exit) { |
| ENSURE_LSAN_INITED; |
| ThreadFinish(); |
| REAL(_lwp_exit)(); |
| } |
| #define LSAN_MAYBE_INTERCEPT__LWP_EXIT INTERCEPT_FUNCTION(_lwp_exit) |
| #else |
| #define LSAN_MAYBE_INTERCEPT__LWP_EXIT |
| #endif |
| |
| #if SANITIZER_INTERCEPT_THR_EXIT |
| INTERCEPTOR(void, thr_exit, tid_t *state) { |
| ENSURE_LSAN_INITED; |
| ThreadFinish(); |
| REAL(thr_exit)(state); |
| } |
| #define LSAN_MAYBE_INTERCEPT_THR_EXIT INTERCEPT_FUNCTION(thr_exit) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_THR_EXIT |
| #endif |
| |
| #if SANITIZER_INTERCEPT___CXA_ATEXIT |
| INTERCEPTOR(int, __cxa_atexit, void (*func)(void *), void *arg, |
| void *dso_handle) { |
| __lsan::ScopedInterceptorDisabler disabler; |
| return REAL(__cxa_atexit)(func, arg, dso_handle); |
| } |
| #define LSAN_MAYBE_INTERCEPT___CXA_ATEXIT INTERCEPT_FUNCTION(__cxa_atexit) |
| #else |
| #define LSAN_MAYBE_INTERCEPT___CXA_ATEXIT |
| #endif |
| |
| #if SANITIZER_INTERCEPT_ATEXIT |
| INTERCEPTOR(int, atexit, void (*f)()) { |
| __lsan::ScopedInterceptorDisabler disabler; |
| return REAL(__cxa_atexit)((void (*)(void *a))f, 0, 0); |
| } |
| #define LSAN_MAYBE_INTERCEPT_ATEXIT INTERCEPT_FUNCTION(atexit) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_ATEXIT |
| #endif |
| |
| #if SANITIZER_INTERCEPT_PTHREAD_ATFORK |
| extern "C" { |
| extern int _pthread_atfork(void (*prepare)(), void (*parent)(), |
| void (*child)()); |
| }; |
| |
| INTERCEPTOR(int, pthread_atfork, void (*prepare)(), void (*parent)(), |
| void (*child)()) { |
| __lsan::ScopedInterceptorDisabler disabler; |
| // REAL(pthread_atfork) cannot be called due to symbol indirections at least |
| // on NetBSD |
| return _pthread_atfork(prepare, parent, child); |
| } |
| #define LSAN_MAYBE_INTERCEPT_PTHREAD_ATFORK INTERCEPT_FUNCTION(pthread_atfork) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_PTHREAD_ATFORK |
| #endif |
| |
| #if SANITIZER_INTERCEPT_STRERROR |
| INTERCEPTOR(char *, strerror, int errnum) { |
| __lsan::ScopedInterceptorDisabler disabler; |
| return REAL(strerror)(errnum); |
| } |
| #define LSAN_MAYBE_INTERCEPT_STRERROR INTERCEPT_FUNCTION(strerror) |
| #else |
| #define LSAN_MAYBE_INTERCEPT_STRERROR |
| #endif |
| |
| #if SANITIZER_POSIX |
| |
| struct ThreadParam { |
| void *(*callback)(void *arg); |
| void *param; |
| atomic_uintptr_t tid; |
| }; |
| |
| extern "C" void *__lsan_thread_start_func(void *arg) { |
| ThreadParam *p = (ThreadParam*)arg; |
| void* (*callback)(void *arg) = p->callback; |
| void *param = p->param; |
| // Wait until the last iteration to maximize the chance that we are the last |
| // destructor to run. |
| #if !SANITIZER_NETBSD && !SANITIZER_FREEBSD |
| if (pthread_setspecific(g_thread_finalize_key, |
| (void*)GetPthreadDestructorIterations())) { |
| Report("LeakSanitizer: failed to set thread key.\n"); |
| Die(); |
| } |
| #endif |
| int tid = 0; |
| while ((tid = atomic_load(&p->tid, memory_order_acquire)) == 0) |
| internal_sched_yield(); |
| ThreadStart(tid, GetTid()); |
| atomic_store(&p->tid, 0, memory_order_release); |
| return callback(param); |
| } |
| |
| INTERCEPTOR(int, pthread_create, void *th, void *attr, |
| void *(*callback)(void *), void *param) { |
| ENSURE_LSAN_INITED; |
| EnsureMainThreadIDIsCorrect(); |
| __sanitizer_pthread_attr_t myattr; |
| if (!attr) { |
| pthread_attr_init(&myattr); |
| attr = &myattr; |
| } |
| AdjustStackSize(attr); |
| int detached = 0; |
| pthread_attr_getdetachstate(attr, &detached); |
| ThreadParam p; |
| p.callback = callback; |
| p.param = param; |
| atomic_store(&p.tid, 0, memory_order_relaxed); |
| int res; |
| { |
| // Ignore all allocations made by pthread_create: thread stack/TLS may be |
| // stored by pthread for future reuse even after thread destruction, and |
| // the linked list it's stored in doesn't even hold valid pointers to the |
| // objects, the latter are calculated by obscure pointer arithmetic. |
| ScopedInterceptorDisabler disabler; |
| res = REAL(pthread_create)(th, attr, __lsan_thread_start_func, &p); |
| } |
| if (res == 0) { |
| int tid = ThreadCreate(GetCurrentThread(), *(uptr *)th, |
| IsStateDetached(detached)); |
| CHECK_NE(tid, kMainTid); |
| atomic_store(&p.tid, tid, memory_order_release); |
| while (atomic_load(&p.tid, memory_order_acquire) != 0) |
| internal_sched_yield(); |
| } |
| if (attr == &myattr) |
| pthread_attr_destroy(&myattr); |
| return res; |
| } |
| |
| INTERCEPTOR(int, pthread_join, void *th, void **ret) { |
| ENSURE_LSAN_INITED; |
| int tid = ThreadTid((uptr)th); |
| int res = REAL(pthread_join)(th, ret); |
| if (res == 0) |
| ThreadJoin(tid); |
| return res; |
| } |
| |
| INTERCEPTOR(int, pthread_detach, void *th) { |
| ENSURE_LSAN_INITED; |
| int tid = ThreadTid((uptr)th); |
| int res = REAL(pthread_detach)(th); |
| if (res == 0) |
| ThreadDetach(tid); |
| return res; |
| } |
| |
| INTERCEPTOR(void, _exit, int status) { |
| if (status == 0 && HasReportedLeaks()) status = common_flags()->exitcode; |
| REAL(_exit)(status); |
| } |
| |
| #define COMMON_INTERCEPT_FUNCTION(name) INTERCEPT_FUNCTION(name) |
| #include "sanitizer_common/sanitizer_signal_interceptors.inc" |
| |
| #endif // SANITIZER_POSIX |
| |
| namespace __lsan { |
| |
| void InitializeInterceptors() { |
| // Fuchsia doesn't use interceptors that require any setup. |
| #if !SANITIZER_FUCHSIA |
| InitializeSignalInterceptors(); |
| |
| INTERCEPT_FUNCTION(malloc); |
| INTERCEPT_FUNCTION(free); |
| LSAN_MAYBE_INTERCEPT_CFREE; |
| INTERCEPT_FUNCTION(calloc); |
| INTERCEPT_FUNCTION(realloc); |
| LSAN_MAYBE_INTERCEPT_MEMALIGN; |
| LSAN_MAYBE_INTERCEPT___LIBC_MEMALIGN; |
| LSAN_MAYBE_INTERCEPT_ALIGNED_ALLOC; |
| INTERCEPT_FUNCTION(posix_memalign); |
| INTERCEPT_FUNCTION(valloc); |
| LSAN_MAYBE_INTERCEPT_PVALLOC; |
| LSAN_MAYBE_INTERCEPT_MALLOC_USABLE_SIZE; |
| LSAN_MAYBE_INTERCEPT_MALLINFO; |
| LSAN_MAYBE_INTERCEPT_MALLOPT; |
| INTERCEPT_FUNCTION(pthread_create); |
| INTERCEPT_FUNCTION(pthread_detach); |
| INTERCEPT_FUNCTION(pthread_join); |
| INTERCEPT_FUNCTION(_exit); |
| |
| LSAN_MAYBE_INTERCEPT__LWP_EXIT; |
| LSAN_MAYBE_INTERCEPT_THR_EXIT; |
| |
| LSAN_MAYBE_INTERCEPT___CXA_ATEXIT; |
| LSAN_MAYBE_INTERCEPT_ATEXIT; |
| LSAN_MAYBE_INTERCEPT_PTHREAD_ATFORK; |
| |
| LSAN_MAYBE_INTERCEPT_STRERROR; |
| |
| #if !SANITIZER_NETBSD && !SANITIZER_FREEBSD |
| if (pthread_key_create(&g_thread_finalize_key, &thread_finalize)) { |
| Report("LeakSanitizer: failed to create thread key.\n"); |
| Die(); |
| } |
| #endif |
| |
| #endif // !SANITIZER_FUCHSIA |
| } |
| |
| } // namespace __lsan |