Auto merge of #2382 - luqmana:preadwritev-illumos, r=JohnTitor

bors · bors · commit 796459785e51 · 2021-09-01T03:58:14.000Z
Add preadv/pwritev for illumos. Illumos man pages: [`preadv`](https://illumos.org/man/2/preadv) / [`pwritev`](https://illumos.org/man/2/pwritev). These are Illumos specific because I don't think they exist in Solaris.
diff --git a/src/unix/solarish/illumos.rs b/src/unix/solarish/illumos.rs
@@ -45,4 +45,8 @@ extern "C" {
         opset: *mut ::psetid_t,
     ) -> ::c_int;
     pub fn pset_getloadavg(pset: ::psetid_t, load: *mut ::c_double, num: ::c_int) -> ::c_int;
+
+    pub fn preadv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t) -> ::ssize_t;
+    pub fn pwritev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t)
+        -> ::ssize_t;
 }

Original file line number	Diff line number	Diff line change
`@@ -45,4 +45,8 @@ extern "C" {`
`45`	`45`	`opset: *mut ::psetid_t,`
`46`	`46`	`) -> ::c_int;`
`47`	`47`	`pub fn pset_getloadavg(pset: ::psetid_t, load: *mut ::c_double, num: ::c_int) -> ::c_int;`
	`48`	`+`
	`49`	`+ pub fn preadv(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t) -> ::ssize_t;`
	`50`	`+ pub fn pwritev(fd: ::c_int, iov: *const ::iovec, iovcnt: ::c_int, offset: ::off_t)`
	`51`	`+ -> ::ssize_t;`
`48`	`52`	`}`