# C library -- wait # pid = wait(0); # or, # pid = wait(&status); # # pid == -1 if error # status indicates fate of process, if given wait = 7 .globl _wait .globl cerror _wait: pea wait trap #0 bcc noerror jmp cerror noerror: tstl sp@(4) | status desired? beql nostatus | no movl sp@(4),a0 movl d1,a0@ | store child's status nostatus: rts