diff options
Diffstat (limited to 'base/file_util_posix.cc')
| -rw-r--r-- | base/file_util_posix.cc | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/base/file_util_posix.cc b/base/file_util_posix.cc index 5d44ca3..b9aa206 100644 --- a/base/file_util_posix.cc +++ b/base/file_util_posix.cc @@ -27,6 +27,7 @@ #include "base/logging.h" #include "base/string_util.h" #include "base/time.h" +#include "base/zygote_manager.h" namespace file_util { @@ -625,20 +626,37 @@ MemoryMappedFile::MemoryMappedFile() } bool MemoryMappedFile::MapFileToMemory(const FilePath& file_name) { - file_ = open(file_name.value().c_str(), O_RDONLY); + file_ = -1; +#if defined(OS_LINUX) + base::ZygoteManager* zm = base::ZygoteManager::Get(); + if (zm) { + file_ = zm->OpenFile(file_name.value().c_str()); + if (file_ == -1) { + LOG(INFO) << "Zygote manager can't open " << file_name.value() + << ", retrying locally"; + } + } +#endif // defined(OS_LINUX) if (file_ == -1) + file_ = open(file_name.value().c_str(), O_RDONLY); + if (file_ == -1) { + LOG(ERROR) << "Couldn't open " << file_name.value(); return false; + } struct stat file_stat; - if (fstat(file_, &file_stat) == -1) + if (fstat(file_, &file_stat) == -1) { + LOG(ERROR) << "Couldn't fstat " << file_name.value() << ", errno " << errno; return false; + } length_ = file_stat.st_size; data_ = static_cast<uint8*>( mmap(NULL, length_, PROT_READ, MAP_SHARED, file_, 0)); if (data_ == MAP_FAILED) - data_ = NULL; - return data_ != NULL; + LOG(ERROR) << "Couldn't mmap " << file_name.value() << ", errno " << errno; + + return data_ != MAP_FAILED; } void MemoryMappedFile::CloseHandles() { |