move timeval to sys_select

src/header/sys_time/cbindgen.toml

@@ -1,4 +1,4 @@
-sys_includes = ["sys/types.h", "features.h"]
+sys_includes = ["sys/types.h", "features.h", "sys/select.h"]
 include_guard = "_SYS_TIME_H"
 language = "C"
 trailer = "#include <bits/sys/time.h>"
@@ -8,3 +8,6 @@ cpp_compat = true
 
 [enum]
 prefix_with_name = true
+
+[export.rename]
+"timeval" = "struct timeval"

src/header/sys_time/mod.rs

@@ -5,7 +5,7 @@
 use crate::{
     c_str::CStr,
     error::ResultExt,
-    header::time::timespec,
+    header::{sys_select::timeval, time::timespec},
     out::Out,
     platform::{
         Pal, PalSignal, Sys,
@@ -59,16 +59,6 @@ pub struct itimerval {
     pub it_value: timeval,
 }
 
-/// See <https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_time.h.html>.
-///
-/// TODO: specified for `sys/select.h` in modern POSIX?
-#[repr(C)]
-#[derive(Default)]
-pub struct timeval {
-    pub tv_sec: time_t,
-    pub tv_usec: suseconds_t,
-}
-
 /// Non-POSIX, see <https://www.man7.org/linux/man-pages/man2/gettimeofday.2.html>.
 #[repr(C)]
 #[derive(Default)]