forked from Bananymous/banan-os
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#include <kernel/FS/ProcFS/FileSystem.h>
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#include <kernel/FS/ProcFS/Inode.h>
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#include <kernel/LockGuard.h>
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namespace Kernel
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{
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static ProcFileSystem* s_instance = nullptr;
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void ProcFileSystem::initialize()
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{
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ASSERT(s_instance == nullptr);
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s_instance = new ProcFileSystem();
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ASSERT(s_instance);
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MUST(s_instance->TmpFileSystem::initialize(0555, 0, 0));
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}
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ProcFileSystem& ProcFileSystem::get()
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{
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ASSERT(s_instance);
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return *s_instance;
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}
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ProcFileSystem::ProcFileSystem()
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: TmpFileSystem(-1)
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{
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}
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BAN::ErrorOr<void> ProcFileSystem::on_process_create(Process& process)
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{
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auto path = BAN::String::formatted("{}", process.pid());
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auto inode = TRY(ProcPidInode::create_new(process, *this, 0555, process.credentials().ruid(), process.credentials().rgid()));
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TRY(reinterpret_cast<TmpDirectoryInode*>(root_inode().ptr())->link_inode(*inode, path));
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return {};
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}
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void ProcFileSystem::on_process_delete(Process& process)
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{
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auto path = BAN::String::formatted("{}", process.pid());
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auto inode = MUST(root_inode()->find_inode(path));
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reinterpret_cast<ProcPidInode*>(inode.ptr())->cleanup();
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if (auto ret = root_inode()->unlink(path); ret.is_error())
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dwarnln("{}", ret.error());
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}
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}
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