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Kernel: Move KBufferBuilder to the fallible KBuffer API

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KBufferBuilder::build() now returns an OwnPtr<KBuffer> and can fail.
Clients of the API have been updated to handle that situation.
This commit is contained in:
Andreas Kling 2020-12-18 14:10:10 +01:00
parent d936d86332
commit 8e79bde2b7
18 changed files with 121 additions and 100 deletions
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4
Kernel/FileSystem/ProcFS.h
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@ -59,7 +59,7 @@ private:
struct ProcFSDirectoryEntry {
ProcFSDirectoryEntry() { }
ProcFSDirectoryEntry(const char* a_name, unsigned a_proc_file_type, bool a_supervisor_only, Optional<KBuffer> (*read_callback)(InodeIdentifier) = nullptr, ssize_t (*write_callback)(InodeIdentifier, const UserOrKernelBuffer&, size_t) = nullptr, RefPtr<ProcFSInode>&& a_inode = nullptr)
ProcFSDirectoryEntry(const char* a_name, unsigned a_proc_file_type, bool a_supervisor_only, OwnPtr<KBuffer> (*read_callback)(InodeIdentifier) = nullptr, ssize_t (*write_callback)(InodeIdentifier, const UserOrKernelBuffer&, size_t) = nullptr, RefPtr<ProcFSInode>&& a_inode = nullptr)
: name(a_name)
, proc_file_type(a_proc_file_type)
, supervisor_only(a_supervisor_only)
@ -72,7 +72,7 @@ private:
const char* name { nullptr };
unsigned proc_file_type { 0 };
bool supervisor_only { false };
Optional<KBuffer> (*read_callback)(InodeIdentifier);
OwnPtr<KBuffer> (*read_callback)(InodeIdentifier);
ssize_t (*write_callback)(InodeIdentifier, const UserOrKernelBuffer&, size_t);
RefPtr<ProcFSInode> inode;
InodeIdentifier identifier(unsigned fsid) const;