Jacob G-W d0fbfd3c9f Plan 9: add more features to std.os.plan9 ...

* Replaces the exit assembly with the function from std.
* Reads the top-of-stack struct at program startup that can get information
  like the pid.
* Changes the read and write functions to use the Pread and Pwrite syscalls
  instead of the depreciated _READ and _WRITE
* Changes the openat function to use flags instead of perms.
  Plan9 does not support perms when opening, just when creating.
* Adds an errstr function to read the errstr buf created by the kernel

2023-08-02 18:19:07 -04:00

8.9 KiB

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