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| author | Iliyan Malchev <malchev@google.com> | 2009-10-29 22:55:00 -0700 |
|---|---|---|
| committer | Iliyan Malchev <malchev@google.com> | 2009-10-30 18:35:47 -0700 |
| commit | baef6141a3239c7dd9bad0e2cd8a9ece5eef5a7e (patch) | |
| tree | 50df32f2a31006f4ea4572cffdf390012541027b /libs/binder | |
| parent | 05cb5610fdfb7b69cf90a9230853e59b4ae5e219 (diff) | |
| download | frameworks_base-baef6141a3239c7dd9bad0e2cd8a9ece5eef5a7e.zip frameworks_base-baef6141a3239c7dd9bad0e2cd8a9ece5eef5a7e.tar.gz frameworks_base-baef6141a3239c7dd9bad0e2cd8a9ece5eef5a7e.tar.bz2 | |
libbinder: add a NO_CACHING flag to MemoryHeapBase
The NO_CACHING flag translates to opening a memory region with O_SYNC.
Signed-off-by: Iliyan Malchev <malchev@google.com>
Diffstat (limited to 'libs/binder')
| -rw-r--r-- | libs/binder/MemoryHeapBase.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libs/binder/MemoryHeapBase.cpp b/libs/binder/MemoryHeapBase.cpp index 5df078f..624f7eb 100644 --- a/libs/binder/MemoryHeapBase.cpp +++ b/libs/binder/MemoryHeapBase.cpp @@ -67,7 +67,11 @@ MemoryHeapBase::MemoryHeapBase(const char* device, size_t size, uint32_t flags) : mFD(-1), mSize(0), mBase(MAP_FAILED), mFlags(flags), mDevice(0), mNeedUnmap(false) { - int fd = open(device, O_RDWR); + int open_flags = O_RDWR; + if (flags & NO_CACHING) + open_flags |= O_SYNC; + + int fd = open(device, open_flags); LOGE_IF(fd<0, "error opening %s: %s", device, strerror(errno)); if (fd >= 0) { const size_t pagesize = getpagesize(); |