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Annotation of 40BSD/libc/sys/wait.s, revision 1.1.1.1

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:        .set    wait,7
                     11: .globl _wait
                     12: .globl  cerror
                     13: 
                     14:        .align  1
                     15: _wait:
                     16:        .word   0x0000
                     17:        chmk    $wait
                     18:        bcc     noerror
                     19:        jmp     cerror
                     20: noerror:
                     21:        tstl    4(ap)           # status desired?
                     22:        beql    nostatus        # no
                     23:        movl    r1,*4(ap)       # store child's status
                     24: nostatus:
                     25:        ret

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