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Improve docs of more system calls

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This change also found a few POSIX compliance bugs with errnos. Another
bug was discovered where, on Windows, pread() and pwrite() could modify
the file position in cases where ReadFile() returned an error e.g. when
seeking past the end of file. We also have more tests!
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Justine Tunney 2022-10-02 22:14:33 -07:00
parent af24c19db3
commit ccbae7799e
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39 changed files with 589 additions and 175 deletions
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libc/calls/openat.c
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@ -135,6 +135,7 @@
* @raise ENOMEM if insufficient memory was available
* @raise EMFILE if `RLIMIT_NOFILE` has been reached
* @raise EOPNOTSUPP if `file` names a named socket
* @raise EFAULT if `file` points to invalid memory
* @raise ETXTBSY if writing is requested on `file` that's being executed
* @raise ELOOP if `flags` had `O_NOFOLLOW` and `file` is a symbolic link
* @raise ELOOP if a loop was detected resolving components of `file`