diff --git a/libc/include/pthread.h b/libc/include/pthread.h
index c5380be..6330a6f 100644
--- a/libc/include/pthread.h
+++ b/libc/include/pthread.h
@@ -127,11 +127,13 @@
 int pthread_attr_setschedpolicy(pthread_attr_t*, int) __nonnull((1));
 int pthread_attr_setscope(pthread_attr_t*, int) __nonnull((1));
 int pthread_attr_setstack(pthread_attr_t*, void*, size_t) __nonnull((1));
-int pthread_attr_setstacksize(pthread_attr_t * attr, size_t stack_size) __nonnull((1));
+int pthread_attr_setstacksize(pthread_attr_t*, size_t stack_size) __nonnull((1));
 
 int pthread_condattr_destroy(pthread_condattr_t*) __nonnull((1));
+int pthread_condattr_getclock(const pthread_condattr_t*, clockid_t*) __nonnull((1, 2));
 int pthread_condattr_getpshared(const pthread_condattr_t*, int*) __nonnull((1, 2));
 int pthread_condattr_init(pthread_condattr_t*) __nonnull((1));
+int pthread_condattr_setclock(pthread_condattr_t*, clockid_t) __nonnull((1));
 int pthread_condattr_setpshared(pthread_condattr_t*, int) __nonnull((1));
 
 int pthread_cond_broadcast(pthread_cond_t*) __nonnull((1));
@@ -236,7 +238,9 @@
 int pthread_attr_getstackaddr(const pthread_attr_t*, void**) __nonnull((1, 2)); /* deprecated */
 int pthread_attr_setstackaddr(pthread_attr_t*, void*) __nonnull((1)); /* deprecated */
 
-/* Bionic additions that are deprecated even in the 32-bit ABI. */
+// Bionic additions that are deprecated even in the 32-bit ABI.
+//
+// TODO: Remove them once chromium_org / NFC have switched over.
 int pthread_cond_timedwait_monotonic_np(pthread_cond_t*, pthread_mutex_t*, const struct timespec*);
 int pthread_cond_timedwait_monotonic(pthread_cond_t*, pthread_mutex_t*, const struct timespec*);
 #define HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC 1