Merge branch 'ucred' into 'master'

remove ucred from sys_socket bits

See merge request redox-os/relibc!1172

include/bits/sys/socket.h

@@ -7,12 +7,6 @@ struct sockaddr_storage {
 	unsigned long __ss_align;
 };
 
-struct ucred {
-	pid_t pid;
-	uid_t uid;
-	gid_t gid;
-};
-
 // These definitions were taken from musl, license MIT {
 #define __CMSG_LEN(cmsg) (((cmsg)->cmsg_len + sizeof(long) - 1) & ~(long)(sizeof(long) - 1))
 #define __CMSG_NEXT(cmsg) ((unsigned char *)(cmsg) + __CMSG_LEN(cmsg))

src/header/sys_socket/mod.rs

@@ -53,7 +53,7 @@ pub struct cmsghdr {
 }
 
 #[repr(C)]
-#[derive(Clone, Copy, Debug)]
+#[derive(Clone, Debug)]
 // FIXME: CheckVsLibcCrate
 pub struct ucred {
     pub pid: pid_t,
@@ -64,6 +64,9 @@ pub struct ucred {
 #[unsafe(no_mangle)]
 pub extern "C" fn _cbindgen_export_cmsghdr(cmsghdr: cmsghdr) {}
 
+#[unsafe(no_mangle)]
+pub extern "C" fn _cbindgen_export_ucred(ucred: ucred) {}
+
 /// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_socket.h.html>.
 #[repr(C)]
 #[derive(Default, CheckVsLibcCrate)]