Merge pull request #4520 from Gelbpunkt/musl-CPU_SETSIZE

musl: Clarify reason for CPU_SETSIZE value

Author: tgross35

src/unix/linux_like/linux/musl/mod.rs

@@ -687,6 +687,7 @@ pub const __SIZEOF_PTHREAD_MUTEXATTR_T: usize = 4;
 pub const __SIZEOF_PTHREAD_RWLOCKATTR_T: usize = 8;
 pub const __SIZEOF_PTHREAD_BARRIERATTR_T: usize = 4;
 
+// FIXME(musl): Value is 1024 for all architectures since 1.2.4
 #[cfg(not(target_arch = "loongarch64"))]
 pub const CPU_SETSIZE: c_int = 128;
 #[cfg(target_arch = "loongarch64")]