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Annotation of researchv9/libc/nsys/wait.s, revision 1.1

1.1     ! root        1: # C library -- wait
        !             2: 
        !             3: # pid = wait(0);
        !             4: #   or,
        !             5: # pid = wait(&status);
        !             6: #
        !             7: # pid == -1 if error
        !             8: # status indicates fate of process, if given
        !             9: 
        !            10:        wait = 7
        !            11: .globl _wait
        !            12: .globl  cerror
        !            13: 
        !            14: _wait:
        !            15:        linkw   a6,#0
        !            16:        pea     wait
        !            17:        trap    #0
        !            18:        bcc     noerror
        !            19:        jmp     cerror
        !            20: noerror:
        !            21:        tstl    sp@(8)          | status desired?
        !            22:        beql    nostatus        | no
        !            23:        movl    sp@(8),a0
        !            24:        movl    d1,a0@          | store child's status
        !            25: nostatus:
        !            26:        unlk    a6
        !            27:        rts

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