Changes imported from Abseil "staging" branch:

- 5923451fb3b082e8bedb800cb676378b0f52d651 Remove internal-only deprecated APIs. by Daniel Katz <katzdm@google.com>
  - c715bf6e5533a9a5d827e806ccd6e8ee68ad2a53 Small fix for comment in span.h by Abseil Team <absl-team@google.com>
  - ef89cc8dac0631b4ad3499d1f0883670b43567df Rename an internal detail to de-conflict with a badly-nam... by Abseil Team <absl-team@google.com>
  - b53761a945ffdab39d5340904ca822571672f11a Remove base/internal/log_severity.cc, which is omitted fr... by Abseil Team <absl-team@google.com>
  - 56685b1852840d3838e24d83849d56644949e9b7 Reimplementing MallocHook such that the C API wraps the C... by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 5923451fb3b082e8bedb800cb676378b0f52d651
Change-Id: I9b854d46b57990c9a10971391d762b280488bcee
This commit is contained in:
Abseil Team 2017-12-28 11:16:31 -08:00 committed by Ashley Hedberg
parent 17cde19a0f
commit eb5bbdda6c
11 changed files with 106 additions and 360 deletions

View file

@ -74,24 +74,16 @@ class MallocHook {
// Object pointer and size are passed in.
// It may be passed null pointer if the allocator returned null.
typedef MallocHook_NewHook NewHook;
inline static bool AddNewHook(NewHook hook) {
return MallocHook_AddNewHook(hook);
}
inline static bool RemoveNewHook(NewHook hook) {
return MallocHook_RemoveNewHook(hook);
}
static bool AddNewHook(NewHook hook);
static bool RemoveNewHook(NewHook hook);
inline static void InvokeNewHook(const void* ptr, size_t size);
// The DeleteHook is invoked whenever an object is being deallocated.
// Object pointer is passed in.
// It may be passed null pointer if the caller is trying to delete null.
typedef MallocHook_DeleteHook DeleteHook;
inline static bool AddDeleteHook(DeleteHook hook) {
return MallocHook_AddDeleteHook(hook);
}
inline static bool RemoveDeleteHook(DeleteHook hook) {
return MallocHook_RemoveDeleteHook(hook);
}
static bool AddDeleteHook(DeleteHook hook);
static bool RemoveDeleteHook(DeleteHook hook);
inline static void InvokeDeleteHook(const void* ptr);
// The SampledNewHook is invoked for some subset of object allocations
@ -107,12 +99,8 @@ class MallocHook {
// call InvokeSampledDeleteHook() with that value.
typedef MallocHook_SampledNewHook SampledNewHook;
typedef MallocHook_SampledAlloc SampledAlloc;
inline static bool AddSampledNewHook(SampledNewHook hook) {
return MallocHook_AddSampledNewHook(hook);
}
inline static bool RemoveSampledNewHook(SampledNewHook hook) {
return MallocHook_RemoveSampledNewHook(hook);
}
static bool AddSampledNewHook(SampledNewHook hook);
static bool RemoveSampledNewHook(SampledNewHook hook);
inline static void InvokeSampledNewHook(const SampledAlloc* sampled_alloc);
// The SampledDeleteHook is invoked whenever an object previously chosen
@ -121,12 +109,8 @@ class MallocHook {
// InvokeSampledNewHook()-- is passed in.
typedef MallocHook_SampledDeleteHook SampledDeleteHook;
typedef MallocHook_AllocHandle AllocHandle;
inline static bool AddSampledDeleteHook(SampledDeleteHook hook) {
return MallocHook_AddSampledDeleteHook(hook);
}
inline static bool RemoveSampledDeleteHook(SampledDeleteHook hook) {
return MallocHook_RemoveSampledDeleteHook(hook);
}
static bool AddSampledDeleteHook(SampledDeleteHook hook);
static bool RemoveSampledDeleteHook(SampledDeleteHook hook);
inline static void InvokeSampledDeleteHook(AllocHandle handle);
// The PreMmapHook is invoked with mmap's or mmap64's arguments just
@ -134,12 +118,8 @@ class MallocHook {
// in memory limited contexts, to catch allocations that will exceed
// a memory limit, and take outside actions to increase that limit.
typedef MallocHook_PreMmapHook PreMmapHook;
inline static bool AddPreMmapHook(PreMmapHook hook) {
return MallocHook_AddPreMmapHook(hook);
}
inline static bool RemovePreMmapHook(PreMmapHook hook) {
return MallocHook_RemovePreMmapHook(hook);
}
static bool AddPreMmapHook(PreMmapHook hook);
static bool RemovePreMmapHook(PreMmapHook hook);
inline static void InvokePreMmapHook(const void* start,
size_t size,
int protection,
@ -159,12 +139,8 @@ class MallocHook {
// you must call RemoveMmapReplacement before calling SetMmapReplacement
// again.
typedef MallocHook_MmapReplacement MmapReplacement;
inline static bool SetMmapReplacement(MmapReplacement hook) {
return MallocHook_SetMmapReplacement(hook);
}
inline static bool RemoveMmapReplacement(MmapReplacement hook) {
return MallocHook_RemoveMmapReplacement(hook);
}
static bool SetMmapReplacement(MmapReplacement hook);
static bool RemoveMmapReplacement(MmapReplacement hook);
inline static bool InvokeMmapReplacement(const void* start,
size_t size,
int protection,
@ -178,12 +154,8 @@ class MallocHook {
// a region of memory has been just mapped.
// It may be passed MAP_FAILED if the mmap failed.
typedef MallocHook_MmapHook MmapHook;
inline static bool AddMmapHook(MmapHook hook) {
return MallocHook_AddMmapHook(hook);
}
inline static bool RemoveMmapHook(MmapHook hook) {
return MallocHook_RemoveMmapHook(hook);
}
static bool AddMmapHook(MmapHook hook);
static bool RemoveMmapHook(MmapHook hook);
inline static void InvokeMmapHook(const void* result,
const void* start,
size_t size,
@ -202,12 +174,8 @@ class MallocHook {
// MunmapReplacement you must call RemoveMunmapReplacement before
// calling SetMunmapReplacement again.
typedef MallocHook_MunmapReplacement MunmapReplacement;
inline static bool SetMunmapReplacement(MunmapReplacement hook) {
return MallocHook_SetMunmapReplacement(hook);
}
inline static bool RemoveMunmapReplacement(MunmapReplacement hook) {
return MallocHook_RemoveMunmapReplacement(hook);
}
static bool SetMunmapReplacement(MunmapReplacement hook);
static bool RemoveMunmapReplacement(MunmapReplacement hook);
inline static bool InvokeMunmapReplacement(const void* start,
size_t size,
int* result);
@ -217,23 +185,15 @@ class MallocHook {
// TODO(maxim): Rename this to PreMunmapHook for consistency with PreMmapHook
// and PreSbrkHook.
typedef MallocHook_MunmapHook MunmapHook;
inline static bool AddMunmapHook(MunmapHook hook) {
return MallocHook_AddMunmapHook(hook);
}
inline static bool RemoveMunmapHook(MunmapHook hook) {
return MallocHook_RemoveMunmapHook(hook);
}
static bool AddMunmapHook(MunmapHook hook);
static bool RemoveMunmapHook(MunmapHook hook);
inline static void InvokeMunmapHook(const void* start, size_t size);
// The MremapHook is invoked with mremap's return value and arguments
// whenever a region of memory has been just remapped.
typedef MallocHook_MremapHook MremapHook;
inline static bool AddMremapHook(MremapHook hook) {
return MallocHook_AddMremapHook(hook);
}
inline static bool RemoveMremapHook(MremapHook hook) {
return MallocHook_RemoveMremapHook(hook);
}
static bool AddMremapHook(MremapHook hook);
static bool RemoveMremapHook(MremapHook hook);
inline static void InvokeMremapHook(const void* result,
const void* old_addr,
size_t old_size,
@ -248,12 +208,8 @@ class MallocHook {
// to catch allocations that will exceed the limit and take outside
// actions to increase such a limit.
typedef MallocHook_PreSbrkHook PreSbrkHook;
inline static bool AddPreSbrkHook(PreSbrkHook hook) {
return MallocHook_AddPreSbrkHook(hook);
}
inline static bool RemovePreSbrkHook(PreSbrkHook hook) {
return MallocHook_RemovePreSbrkHook(hook);
}
static bool AddPreSbrkHook(PreSbrkHook hook);
static bool RemovePreSbrkHook(PreSbrkHook hook);
inline static void InvokePreSbrkHook(ptrdiff_t increment);
// The SbrkHook is invoked with sbrk's result and argument whenever sbrk
@ -261,12 +217,8 @@ class MallocHook {
// This is because sbrk(0) is often called to get the top of the memory stack,
// and is not actually a memory-allocation call.
typedef MallocHook_SbrkHook SbrkHook;
inline static bool AddSbrkHook(SbrkHook hook) {
return MallocHook_AddSbrkHook(hook);
}
inline static bool RemoveSbrkHook(SbrkHook hook) {
return MallocHook_RemoveSbrkHook(hook);
}
static bool AddSbrkHook(SbrkHook hook);
static bool RemoveSbrkHook(SbrkHook hook);
inline static void InvokeSbrkHook(const void* result, ptrdiff_t increment);
// Pointer to a absl::GetStackTrace implementation, following the API in
@ -280,12 +232,8 @@ class MallocHook {
// is not available.
// Stack trace is filled into *result up to the size of max_depth.
// The actual number of stack frames filled is returned.
inline static int GetCallerStackTrace(void** result, int max_depth,
int skip_count,
GetStackTraceFn get_stack_trace_fn) {
return MallocHook_GetCallerStackTrace(result, max_depth, skip_count,
get_stack_trace_fn);
}
static int GetCallerStackTrace(void** result, int max_depth, int skip_count,
GetStackTraceFn get_stack_trace_fn);
#if ABSL_HAVE_MMAP
// Unhooked versions of mmap() and munmap(). These should be used