1 #include <mqueue.h> 2 #include "syscall.h" 3 mq_close(mqd_t mqd)4 int mq_close(mqd_t mqd) 5 { 6 #ifdef __LITEOS_A__ 7 return syscall(SYS_mqclose, mqd); 8 #else 9 return syscall(SYS_close, mqd); 10 #endif 11 } 12