UNIX 6th Ed. - /usr/source/s4/fork.s

   1: / C library -- fork
   2: 
   3: / pid = fork();
   4: /
   5: / pid == 0 in child process; pid == -1 means error return
   6: / in child, parents id is in par_uid if needed
   7: 
   8: .globl  _fork, cerror, _par_uid
   9: 
  10: _fork:
  11:         mov     r5,-(sp)
  12:         mov     sp,r5
  13:         sys     fork
  14:                 br 1f
  15:         bec     2f
  16:         jmp     cerror
  17: 1:
  18:         mov     r0,_par_uid
  19:         clr     r0
  20: 2:
  21:         mov     (sp)+,r5
  22:         rts     pc
  23: .bss
  24: _par_uid: .=.+2

Defined functions

Defined variables