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Annotation of coherent/a/usr/bob/korn/wait.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * POSIX <sys/wait.h>
        !             3:  */
        !             4: 
        !             5: #if __STDC__
        !             6: #define        ARGS(args)      args
        !             7: #else
        !             8: #define        ARGS(args)      ()
        !             9: #endif
        !            10: 
        !            11: #if 1
        !            12: typedef int pid_t;             /* belong in sys/types.h */
        !            13: #endif
        !            14: 
        !            15: /* waitpid options */
        !            16: #define WNOHANG                1       /* don't hang in wait */
        !            17: #define WUNTRACED      2       /* tell about stopped, untraced children */
        !            18: 
        !            19: #define        WSTOPPED        0x7F    /* process is stopped */
        !            20: 
        !            21: #define WIFSTOPPED(x)  (((x)&0xFF) == 0x7F)
        !            22: #define WIFSIGNALED(x) (((x)&0xFF) != 0x7F && ((x)&0x7F) != 0)
        !            23: #define WIFEXITED(x)   (((x)&0xFF) != 0x7F && ((x)&0x7F) == 0)
        !            24: #define        WIFCORED(x)     (!!((x)&0x80)) /* non-standard */
        !            25: #define        WEXITSTATUS(x)  ((x)>>8&0xFF)
        !            26: #define        WTERMSIG(x)     ((x)&0x7F)
        !            27: #define        WSTOPSIG(x)     ((x)>>8&0xFF)
        !            28: 
        !            29: pid_t wait ARGS((int *statp));
        !            30: #if _BSD
        !            31: pid_t wait3 ARGS((int *statp, int options, Void *));
        !            32: /* todo: does not emulate pid argument */
        !            33: #define        waitpid(pid, sp, opts)  wait3(sp, opts, (Void*)NULL)
        !            34: #else
        !            35: pid_t waitpid ARGS((pid_t pid, int *statp, int options));
        !            36: #endif
        !            37: 

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