Stops the loop when all files are closed.
The CL changes FuseBridgeLoop so that it exits when all files opened on
the AppFuse mount point are closed. Note that the client code will
unmount the FUSE mount point after the loop exits.
Bug: 32260320
Test: libappfuse_test
Change-Id: I4965fbb48de8a280c6306e70757a07376b1956a7
diff --git a/libappfuse/FuseBridgeLoop.cc b/libappfuse/FuseBridgeLoop.cc
index acb963c..beee4a6 100644
--- a/libappfuse/FuseBridgeLoop.cc
+++ b/libappfuse/FuseBridgeLoop.cc
@@ -26,6 +26,7 @@
base::unique_fd dev_fd(raw_dev_fd);
base::unique_fd proxy_fd(raw_proxy_fd);
fuse::FuseBuffer buffer;
+ size_t open_count = 0;
LOG(DEBUG) << "Start fuse loop.";
while (true) {
@@ -71,8 +72,26 @@
return false;
}
- if (opcode == FUSE_INIT) {
- callback->OnMount();
+ switch (opcode) {
+ case FUSE_INIT:
+ callback->OnMount();
+ break;
+ case FUSE_OPEN:
+ if (buffer.response.header.error == fuse::kFuseSuccess) {
+ open_count++;
+ }
+ break;
+ case FUSE_RELEASE:
+ if (open_count != 0) {
+ open_count--;
+ } else {
+ LOG(WARNING) << "Unexpected FUSE_RELEASE before opening a file.";
+ break;
+ }
+ if (open_count == 0) {
+ return true;
+ }
+ break;
}
}
}