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vfs: add Vfs_handle::Guard utility

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Issue #1561
This commit is contained in:
Norman Feske 2015-01-27 17:04:52 +01:00 committed by Christian Helmuth
parent e3be65833f
commit 167925ab76
1 changed files with 13 additions and 0 deletions
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13
repos/os/include/vfs/vfs_handle.h
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@ -31,6 +31,19 @@ class Vfs::Vfs_handle
public: public:
struct Guard
{
Vfs_handle *handle;
Guard(Vfs_handle *handle) : handle(handle) { }
~Guard()
{
if (handle)
Genode::destroy(Genode::env()->heap(), handle);
}
};
enum { STATUS_RDONLY = 0, STATUS_WRONLY = 1, STATUS_RDWR = 2 }; enum { STATUS_RDONLY = 0, STATUS_WRONLY = 1, STATUS_RDWR = 2 };
Vfs_handle(Directory_service &ds, File_io_service &fs, int status_flags) Vfs_handle(Directory_service &ds, File_io_service &fs, int status_flags)