wait.h

来自「ADS环境下的类似linux内核的操作系统」· C头文件 代码 · 共 24 行

/* MShowTec - www.mshowtec.com
** msLinux wait.h ver1.0
** 20051221 lmjx create [e-mail]
** 
*/

#ifndef MSLINUX_WAIT_H
#define MSLINUX_WAIT_H

#define _LOW(v) ( (v) & 0xff)
#define _HIGH(v) ( ((v) >> 8) & 0xff)

/* options for waitpid, WUNTRACED not supported */
#define WNOHANG 1
#define WUNTRACED 2

#define WIFEXITED(s) (!((s)&0xFF)
#define WIFSTOPPED(s) (((s)&0xFF)==0x7F)
#define WEXITSTATUS(s) (((s)>>8)&0xFF)
#define WTERMSIG(s) ((s)&0x7F)
#define WSTOPSIG(s) (((s)>>8)&0xFF)
#define WIFSIGNALED(s) (((unsigned int)(s)-1 & 0xFFFF) < 0xFF)

#endif