Pad RlctAttr for 32-bit systems

src/header/bits_pthread/mod.rs

@@ -16,7 +16,7 @@ use core::sync::atomic::{AtomicU32 as AtomicUint, AtomicI32 as AtomicInt};
 #[repr(C)]
 pub union pthread_attr_t {
     __relibc_internal_size: [c_uchar; 32],
-    __relibc_internal_align: c_long,
+    __relibc_internal_align: size_t,
 }
 #[repr(C)]
 pub union pthread_rwlockattr_t {
@@ -88,7 +88,7 @@ macro_rules! assert_equal_size(
         #[cfg(all(target_os = "redox", feature = "check_against_libc_crate"))]
         const _: () = unsafe {
             let export = $export { __relibc_internal_align: 0 };
-            let _: libc::$export = core::mem::transmute(export.__relibc_internal_size); 
+            let _: libc::$export = core::mem::transmute(export.__relibc_internal_size);
 
             let a = [0_u8; core::mem::align_of::<$export>()];
             let b: [u8; core::mem::align_of::<libc::$export>()] = core::mem::transmute(a);

src/header/pthread/attr.rs

@@ -22,7 +22,9 @@ impl Default for RlctAttr {
             param: sched_param {
                 // TODO
                 sched_priority: 0,
-            }
+            },
+            #[cfg(target_pointer_width = "32")]
+            _pad: [0; 12],
         }
     }
 }

src/header/pthread/mod.rs

@@ -24,6 +24,8 @@ pub(crate) struct RlctAttr {
     pub stacksize: size_t,
     pub stack: size_t,
     pub param: sched_param,
+    #[cfg(target_pointer_width = "32")]
+    _pad: [u8; 12],
 }
 
 pub const PTHREAD_BARRIER_SERIAL_THREAD: c_int = -1;