macho: store open file descriptors globally #108
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This means we hand out indexes into this array to object files thereby allowing a single file descriptor per archive rather than be required to clone it per each object file that resides within.
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This means we hand out indexes into this array to object files thereby allowing a single file descriptor per archive rather than be required to clone it per each object file that resides within.
This is an alternative to #107 which resolves upstream issue ziglang/zig#18827 while preserving the performance status quo.
EDIT: supersedes #107