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| author | agl@chromium.org <agl@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-11-11 17:59:27 +0000 |
|---|---|---|
| committer | agl@chromium.org <agl@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-11-11 17:59:27 +0000 |
| commit | 49dba2366b6cd198f26a88e4662d8e77c1015259 (patch) | |
| tree | 1d7f3bd2eb91e0ef40dced9403eabe6e9993aa9d /base/file_util_linux.cc | |
| parent | 1a6bb1a9d6805997a53130b55d651012034007df (diff) | |
| download | chromium_src-49dba2366b6cd198f26a88e4662d8e77c1015259.zip chromium_src-49dba2366b6cd198f26a88e4662d8e77c1015259.tar.gz chromium_src-49dba2366b6cd198f26a88e4662d8e77c1015259.tar.bz2 | |
Port flush_cache tool.
BUG=4160
Review URL: http://codereview.chromium.org/9639
Patch from Paweł Hajdan jr.
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@5182 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/file_util_linux.cc')
| -rw-r--r-- | base/file_util_linux.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/base/file_util_linux.cc b/base/file_util_linux.cc index f776c91..d2a6870 100644 --- a/base/file_util_linux.cc +++ b/base/file_util_linux.cc @@ -72,4 +72,16 @@ bool CopyFile(const FilePath& from_path, const FilePath& to_path) { return result; } +bool EvictFileFromSystemCache(const FilePath path) { + int fd = open(path.value().c_str(), O_RDONLY); + if (fd < 0) + return false; + if (fdatasync(fd) != 0) + return false; + if (posix_fadvise(fd, 0, 0, POSIX_FADV_DONTNEED) != 0) + return false; + close(fd); + return true; +} + } // namespace file_util |