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Kernel: Make Kernel::VMObject allocation functions return KResultOr
This makes for nicer handling of errors compared to checking whether a RefPtr is null. Additionally, this will give way to return different types of errors in the future.
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61c0e3ca92
commit
4bfd6e41b9
26 changed files with 194 additions and 122 deletions
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@ -29,11 +29,11 @@ KResultOr<FlatPtr> Process::sys$anon_create(size_t size, int options)
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if (new_fd_or_error.is_error())
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return new_fd_or_error.error();
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auto new_fd = new_fd_or_error.release_value();
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auto vmobject = Memory::AnonymousVMObject::try_create_purgeable_with_size(size, AllocationStrategy::Reserve);
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if (!vmobject)
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return ENOMEM;
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auto maybe_vmobject = Memory::AnonymousVMObject::try_create_purgeable_with_size(size, AllocationStrategy::Reserve);
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if (maybe_vmobject.is_error())
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return maybe_vmobject.error();
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auto anon_file = AnonymousFile::create(vmobject.release_nonnull());
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auto anon_file = AnonymousFile::create(maybe_vmobject.release_value());
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if (!anon_file)
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return ENOMEM;
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auto description_or_error = FileDescription::create(*anon_file);
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