लिनक्स/linux-0.01.tar/include/sys/wait.h
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#ifndef _SYS_WAIT_H #define _SYS_WAIT_H #include <sys/types.h> #define _LOW(v) ( (v) & 0377) #define _HIGH(v) ( ((v) >> 8) & 0377) /* 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) pid_t wait(int *stat_loc); pid_t waitpid(pid_t pid, int *stat_loc, int options); #endif