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| -rw-r--r-- | libc-top-half/README.md | 25 |
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diff --git a/libc-top-half/README.md b/libc-top-half/README.md new file mode 100644 index 0000000..c4b81b8 --- /dev/null +++ b/libc-top-half/README.md @@ -0,0 +1,25 @@ +# WASI libc "top half". + +The WASI libc "top half" is conceptually the upper half of a traditional libc +implementation, consisting of C standard library and other relatively +higher-level functionality. + +Code in the musl directory is based on musl revision +040c1d16b468c50c04fc94edff521f1637708328, which is v1.2.0, from +git://git.musl-libc.org/musl. + +Whole files which are unused are omitted. Changes to upstream code are wrapped +in preprocessor directives controlled by the macro `__wasilibc_unmodified_upstream`. + +Some major known missing areas include: + - threads + - aio + - setjmp + - signals + - ipc + - termios + - nss + - timezones + - non-builtin locales + - TIOCGWINSZ (because cloudabi lacks it; affects isatty, line buffering for stdout) + - O\_CLOEXEC, O\_NOCTTY (because cloudabi lacks them) |