Merge "Remove unused Android.mk under bionic" into main
diff --git a/libc/bionic/sys_thread_properties.cpp b/libc/bionic/sys_thread_properties.cpp
index d7188f5..064bca1 100644
--- a/libc/bionic/sys_thread_properties.cpp
+++ b/libc/bionic/sys_thread_properties.cpp
@@ -61,7 +61,7 @@
   if (modules.first_thread_exit_callback == nullptr) {
     modules.first_thread_exit_callback = cb;
     return;
-  };
+  }
 
   BionicAllocator& allocator = __libc_shared_globals()->tls_allocator;
   CallbackHolder* new_node =
diff --git a/libc/include/unistd.h b/libc/include/unistd.h
index 2732214..bc708e1 100644
--- a/libc/include/unistd.h
+++ b/libc/include/unistd.h
@@ -113,8 +113,22 @@
  */
 pid_t vfork(void) __returns_twice;
 
+/**
+ * [getpid(2)](http://man7.org/linux/man-pages/man2/getpid.2.html) returns
+ * the caller's process ID.
+ *
+ * Returns the caller's process ID.
+ */
 pid_t  getpid(void);
-pid_t  gettid(void) __attribute_const__;
+
+/**
+ * [gettid(2)](http://man7.org/linux/man-pages/man2/gettid.2.html) returns
+ * the caller's thread ID.
+ *
+ * Returns the caller's thread ID.
+ */
+pid_t  gettid(void);
+
 pid_t  getpgid(pid_t __pid);
 int    setpgid(pid_t __pid, pid_t __pgid);
 pid_t  getppid(void);