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Improve system call documentation

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This change also introduces partial faccessat() support for zipos and
makes some slight breaking changes in errno results. close() is fixed
to use `EBADF` rather than `EINVAL` and we're now using `ENOTSUP` not
`EOPNOTSUPP` to indicate that zipos doesn't support a system call yet
This commit is contained in:
Justine Tunney 2022-10-02 07:42:44 -07:00
parent 0b5f84dd20
commit ad97775370
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GPG key ID: BE714B4575D6E328
18 changed files with 273 additions and 67 deletions
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3
libc/calls/fchmodat.c
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@ -37,6 +37,7 @@
* @param path must exist
* @param mode contains octal flags (base 8)
* @param flags can have `AT_SYMLINK_NOFOLLOW`
* @raise ENOTSUP if `dirfd` or `path` use zip file system
* @errors ENOENT, ENOTDIR, ENOSYS
* @asyncsignalsafe
* @see fchmod()
@ -47,7 +48,7 @@ int fchmodat(int dirfd, const char *path, uint32_t mode, int flags) {
rc = efault();
} else if (_weaken(__zipos_notat) &&
(rc = __zipos_notat(dirfd, path)) == -1) {
rc = eopnotsupp();
rc = enotsup();
} else if (!IsWindows()) {
rc = sys_fchmodat(dirfd, path, mode, flags);
} else {