# C library -- setpgrp, getpgrp # setpgrp(pid, pgrp); /* set pgrp of pid and descendants to pgrp */ # if pid==0 use current pid # # getpgrp(pid) # implemented as setpgrp(pid, -1) .set setpgrp,39 .globl _setpgrp .globl _getpgrp .globl cerror .align 1 _setpgrp: .word 0x0000 chmk $setpgrp bcc noerror jmp cerror noerror: ret .align 1 _getpgrp: .word 0x0000 pushl $-1 pushl 4(ap) calls $2,gpgrp ret gpgrp: .word 0x0000 chmk $setpgrp bcc noerror jmp cerror