Index: base/memory/shared_memory_posix.cc |
diff --git a/base/memory/shared_memory_posix.cc b/base/memory/shared_memory_posix.cc |
index 3a18faa83dd70e82c8381d33cc247afa270339a9..f0018c333fff52ccfcc63dac4764e7e64b1e976d 100644 |
--- a/base/memory/shared_memory_posix.cc |
+++ b/base/memory/shared_memory_posix.cc |
@@ -15,6 +15,7 @@ |
#include "base/files/scoped_file.h" |
#include "base/logging.h" |
#include "base/memory/shared_memory_helper.h" |
+#include "base/memory/shared_memory_tracker.h" |
#include "base/posix/eintr_wrapper.h" |
#include "base/posix/safe_strerror.h" |
#include "base/process/process_metrics.h" |
@@ -283,8 +284,10 @@ bool SharedMemory::MapAt(off_t offset, size_t bytes) { |
bool mmap_succeeded = memory_ != (void*)-1 && memory_ != NULL; |
if (mmap_succeeded) { |
mapped_size_ = bytes; |
- DCHECK_EQ(0U, reinterpret_cast<uintptr_t>(memory_) & |
- (SharedMemory::MAP_MINIMUM_ALIGNMENT - 1)); |
+ DCHECK_EQ(0U, |
+ reinterpret_cast<uintptr_t>(memory_) & |
+ (SharedMemory::MAP_MINIMUM_ALIGNMENT - 1)); |
+ SharedMemoryTracker::GetInstance()->IncrementMemoryUsage(*this); |
} else { |
memory_ = NULL; |
} |
@@ -297,6 +300,7 @@ bool SharedMemory::Unmap() { |
return false; |
munmap(memory_, mapped_size_); |
+ SharedMemoryTracker::GetInstance()->DecrementMemoryUsage(*this); |
memory_ = NULL; |
mapped_size_ = 0; |
return true; |
@@ -390,4 +394,14 @@ bool SharedMemory::ShareToProcessCommon(ProcessHandle process, |
return true; |
} |
+bool SharedMemory::GetUniqueId(SharedMemory::UniqueId* id) const { |
+ base::ThreadRestrictions::AssertIOAllowed(); |
+ struct stat file_stat; |
+ if (fstat(static_cast<int>(handle().fd), &file_stat) != 0) |
Primiano Tucci (use gerrit)
2017/02/27 14:10:50
as this is a I/O syscall it might be safer to wrap
hajimehoshi
2017/02/28 06:59:25
Done (Darwin doesn't reach here anyway).
|
+ return false; |
+ id->first = file_stat.st_dev; |
+ id->second = file_stat.st_ino; |
+ return true; |
+} |
+ |
} // namespace base |