/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-09-05 Meco Man fix bugs * 2020-12-16 Meco Man add useconds_t */ #ifndef __SYS_TYPES_H__ #define __SYS_TYPES_H__ #include typedef int32_t clockid_t; typedef int32_t key_t; /* Used for interprocess communication. */ typedef int pid_t; /* Used for process IDs and process group IDs. */ typedef unsigned short uid_t; typedef unsigned short gid_t; typedef signed long off_t; typedef int mode_t; #ifndef ARCH_CPU_64BIT typedef signed int ssize_t; /* Used for a count of bytes or an error indication. */ #else typedef long signed int ssize_t; /* Used for a count of bytes or an error indication. */ #endif typedef unsigned long useconds_t; /* microseconds (unsigned) */ typedef unsigned long dev_t; typedef unsigned int u_int; typedef unsigned char u_char; typedef unsigned long u_long; #endif