This API may not make a lot of sense in a WebAssembly world but it
seemed helpful to include it, even if it doesn't have much effect.
thread/pthread_attr_get.c \
thread/pthread_attr_init.c \
thread/pthread_attr_setstack.c \
+ thread/pthread_attr_setdetachstate.c \
thread/pthread_attr_setstacksize.c \
thread/pthread_barrier_destroy.c \
thread/pthread_barrier_init.c \
pthread_attr_getstack
pthread_attr_getstacksize
pthread_attr_init
+pthread_attr_setdetachstate
pthread_attr_setstack
pthread_attr_setstacksize
pthread_barrier_destroy