From bd505d34512480f89a5bfc00ddbe90e7762d3332 Mon Sep 17 00:00:00 2001
From: auronandace <auronandace@googlemail.com>
Date: Mon, 11 May 2026 14:03:16 +0100
Subject: [PATCH] split out clock_t from sys_types

---
 src/header/bits_clock-t/cbindgen.toml       | 18 ++++++++++++++++++
 src/header/bits_clock-t/mod.rs              |  5 +++++
 src/header/mod.rs                           |  2 ++
 src/header/sys_types_internal/cbindgen.toml |  2 +-
 src/header/sys_types_internal/mod.rs        |  6 ++----
 5 files changed, 28 insertions(+), 5 deletions(-)
 create mode 100644 src/header/bits_clock-t/cbindgen.toml
 create mode 100644 src/header/bits_clock-t/mod.rs

diff --git a/src/header/bits_clock-t/cbindgen.toml b/src/header/bits_clock-t/cbindgen.toml
new file mode 100644
index 0000000000..7d773fd54b
--- /dev/null
+++ b/src/header/bits_clock-t/cbindgen.toml
@@ -0,0 +1,18 @@
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html
+#
+# This type is split out to prevent importing all of sys/types.h into other headers.
+#
+# POSIX headers that require clock_t:
+# - sys/times.h
+# - sys/types.h (where it should be defined)
+# - time.h
+sys_includes = []
+include_guard = "_RELIBC_BITS_CLOCK_T_H"
+language = "C"
+style = "type"
+no_includes = true
+cpp_compat = true
+[export]
+include = ["clock_t"]
+[enum]
+prefix_with_name = true
diff --git a/src/header/bits_clock-t/mod.rs b/src/header/bits_clock-t/mod.rs
new file mode 100644
index 0000000000..59e023b15a
--- /dev/null
+++ b/src/header/bits_clock-t/mod.rs
@@ -0,0 +1,5 @@
+use crate::platform::types::c_long;
+
+/// Used for system times in clock ticks or CLOCKS_PER_SEC.
+#[allow(non_camel_case_types)]
+pub type clock_t = c_long;
diff --git a/src/header/mod.rs b/src/header/mod.rs
index e8a877127e..261e45c45c 100644
--- a/src/header/mod.rs
+++ b/src/header/mod.rs
@@ -5,6 +5,8 @@ pub mod _fenv;
 pub mod arpa_inet;
 pub mod assert;
 pub mod bits_arpainet;
+#[path = "bits_clock-t/mod.rs"]
+pub mod bits_clock_t;
 #[path = "bits_gid-t/mod.rs"]
 pub mod bits_gid_t;
 pub mod bits_iovec;
diff --git a/src/header/sys_types_internal/cbindgen.toml b/src/header/sys_types_internal/cbindgen.toml
index 896755be07..e37705e19d 100644
--- a/src/header/sys_types_internal/cbindgen.toml
+++ b/src/header/sys_types_internal/cbindgen.toml
@@ -2,6 +2,7 @@
 sys_includes = ["stddef.h"]
 # TODO: figure out how to export void* type
 after_includes = """
+#include <bits/clock-t.h>
 #include <bits/gid-t.h>
 #include <bits/off-t.h>
 #include <bits/pid-t.h>
@@ -27,7 +28,6 @@ include = [
   "nlink_t",
   "id_t",
   "useconds_t",
-  "clock_t",
   "clockid_t",
   "blkcnt_t",
   "fsblkcnt_t",
diff --git a/src/header/sys_types_internal/mod.rs b/src/header/sys_types_internal/mod.rs
index f6444cc215..e6579d058d 100644
--- a/src/header/sys_types_internal/mod.rs
+++ b/src/header/sys_types_internal/mod.rs
@@ -8,8 +8,8 @@
 //! for the old specification.
 
 pub use crate::header::{
-    bits_gid_t::gid_t, bits_off_t::off_t, bits_pid_t::pid_t, bits_ssize_t::ssize_t,
-    bits_suseconds_t::suseconds_t, bits_time_t::time_t, bits_uid_t::uid_t,
+    bits_clock_t::clock_t, bits_gid_t::gid_t, bits_off_t::off_t, bits_pid_t::pid_t,
+    bits_ssize_t::ssize_t, bits_suseconds_t::suseconds_t, bits_time_t::time_t, bits_uid_t::uid_t,
 };
 use crate::platform::types::{
     c_char, c_int, c_long, c_longlong, c_uchar, c_uint, c_ulong, c_ulonglong, c_ushort,
@@ -35,8 +35,6 @@ pub type nlink_t = c_ulong;
 pub type id_t = c_uint;
 pub type useconds_t = c_uint;
 
-/// Used for system times in clock ticks or CLOCKS_PER_SEC.
-pub type clock_t = c_long;
 /// Used for clock ID type in the clock and timer functions.
 pub type clockid_t = c_int;