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- / 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
-