/ SCCSID: @(#)fork.s 3.0 4/22/86 / ////////////////////////////////////////////////////////////////////// / Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. / / All Rights Reserved. / / Reference "/usr/src/COPYRIGHT" for applicable restrictions. / ////////////////////////////////////////////////////////////////////// / / C library -- fork / pid = fork(); / / pid == 0 in child process; pid == -1 means error return / in child, parents id is in par_uid if needed .globl _fork, _par_uid .globl cerror .fork = 2. _fork: mov r5,-(sp) mov sp,r5 sys .fork br 1f bec 2f jmp cerror 1: mov r0,_par_uid clr r0 2: mov (sp)+,r5 rts pc .bss _par_uid: .=.+2