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Annotation of 41BSD/libc/sys/vwait.s, revision 1.1

1.1     ! root        1: # C library -- vwait
        !             2: 
        !             3: # pid = vwait(0, &vms);
        !             4: #   or,
        !             5: # pid = vwait(&status, &vms);
        !             6: #
        !             7: # pid == -1 if error
        !             8: # status indicates fate of process, if given
        !             9: # vms is a vmstat structure <vmstat.h>
        !            10: 
        !            11:        .set    vwait,64+7
        !            12: .globl _vwait
        !            13: .globl  cerror
        !            14: 
        !            15:        .align  1
        !            16: _vwait:
        !            17:        .word   0x0000
        !            18:        chmk    $vwait
        !            19:        bcc     noerror
        !            20:        jmp     cerror
        !            21: noerror:
        !            22:        tstl    4(ap)           # status desired?
        !            23:        beql    nostatus        # no
        !            24:        movl    r1,*4(ap)       # store child's status
        !            25: nostatus:
        !            26:        ret

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