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Changes imported from Abseil "staging" branch:

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- 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
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87
absl/base/internal/malloc_hook_c.h
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@ -29,28 +29,9 @@
extern "C" {
#endif /* __cplusplus */
/* Get the current stack trace. Try to skip all routines up to and
* including the caller of MallocHook::Invoke*.
* Use "skip_count" (similarly to absl::GetStackTrace from stacktrace.h)
* as a hint about how many routines to skip if better information
* is not available.
*/
typedef int (*MallocHook_GetStackTraceFn)(void**, int, int);
int MallocHook_GetCallerStackTrace(void** result, int max_depth, int skip_count,
MallocHook_GetStackTraceFn fn);
/* All the MallocHook_{Add,Remove}*Hook functions below return 1 on success
* and 0 on failure.
*/
typedef void (*MallocHook_NewHook)(const void* ptr, size_t size);
int MallocHook_AddNewHook(MallocHook_NewHook hook);
int MallocHook_RemoveNewHook(MallocHook_NewHook hook);
typedef void (*MallocHook_DeleteHook)(const void* ptr);
int MallocHook_AddDeleteHook(MallocHook_DeleteHook hook);
int MallocHook_RemoveDeleteHook(MallocHook_DeleteHook hook);
typedef int64_t MallocHook_AllocHandle;
typedef struct {
/* See malloc_hook.h for documentation for this struct. */
@ -61,68 +42,24 @@ typedef struct {
} MallocHook_SampledAlloc;
typedef void (*MallocHook_SampledNewHook)(
const MallocHook_SampledAlloc* sampled_alloc);
int MallocHook_AddSampledNewHook(MallocHook_SampledNewHook hook);
int MallocHook_RemoveSampledNewHook(MallocHook_SampledNewHook hook);
typedef void (*MallocHook_SampledDeleteHook)(MallocHook_AllocHandle handle);
int MallocHook_AddSampledDeleteHook(MallocHook_SampledDeleteHook hook);
int MallocHook_RemoveSampledDeleteHook(MallocHook_SampledDeleteHook hook);
typedef void (*MallocHook_PreMmapHook)(const void *start,
size_t size,
int protection,
int flags,
int fd,
typedef void (*MallocHook_PreMmapHook)(const void* start, size_t size,
int protection, int flags, int fd,
off_t offset);
int MallocHook_AddPreMmapHook(MallocHook_PreMmapHook hook);
int MallocHook_RemovePreMmapHook(MallocHook_PreMmapHook hook);
typedef void (*MallocHook_MmapHook)(const void* result,
const void* start,
size_t size,
int protection,
int flags,
int fd,
off_t offset);
int MallocHook_AddMmapHook(MallocHook_MmapHook hook);
int MallocHook_RemoveMmapHook(MallocHook_MmapHook hook);
typedef int (*MallocHook_MmapReplacement)(const void* start,
size_t size,
int protection,
int flags,
int fd,
off_t offset,
void** result);
int MallocHook_SetMmapReplacement(MallocHook_MmapReplacement hook);
int MallocHook_RemoveMmapReplacement(MallocHook_MmapReplacement hook);
typedef void (*MallocHook_MmapHook)(const void* result, const void* start,
size_t size, int protection, int flags,
int fd, off_t offset);
typedef int (*MallocHook_MmapReplacement)(const void* start, size_t size,
int protection, int flags, int fd,
off_t offset, void** result);
typedef void (*MallocHook_MunmapHook)(const void* start, size_t size);
int MallocHook_AddMunmapHook(MallocHook_MunmapHook hook);
int MallocHook_RemoveMunmapHook(MallocHook_MunmapHook hook);
typedef int (*MallocHook_MunmapReplacement)(const void* start,
size_t size,
typedef int (*MallocHook_MunmapReplacement)(const void* start, size_t size,
int* result);
int MallocHook_SetMunmapReplacement(MallocHook_MunmapReplacement hook);
int MallocHook_RemoveMunmapReplacement(MallocHook_MunmapReplacement hook);
typedef void (*MallocHook_MremapHook)(const void* result,
const void* old_addr,
size_t old_size,
size_t new_size,
int flags,
const void* new_addr);
int MallocHook_AddMremapHook(MallocHook_MremapHook hook);
int MallocHook_RemoveMremapHook(MallocHook_MremapHook hook);
typedef void (*MallocHook_MremapHook)(const void* result, const void* old_addr,
size_t old_size, size_t new_size,
int flags, const void* new_addr);
typedef void (*MallocHook_PreSbrkHook)(ptrdiff_t increment);
int MallocHook_AddPreSbrkHook(MallocHook_PreSbrkHook hook);
int MallocHook_RemovePreSbrkHook(MallocHook_PreSbrkHook hook);
typedef void (*MallocHook_SbrkHook)(const void* result, ptrdiff_t increment);
int MallocHook_AddSbrkHook(MallocHook_SbrkHook hook);
int MallocHook_RemoveSbrkHook(MallocHook_SbrkHook hook);
#ifdef __cplusplus
} /* extern "C" */