[unix-history] / src / pi / wait.s

/ C library -- wait

/ pid = wait(&status);
/
/ pid == -1 if error
/ status indicates fate of process

.globl	_wait, cerror

_wait:
	mov	r5,-(sp)
	mov	sp,r5
	sys	wait
	bec	1f
	jmp	cerror
1:
	mov	r1,*4(r5)	/ status return
	mov	(sp)+,r5
	rts	pc
Commit	Line	Data
b02ece9a CH	1	/ C library -- wait
	2
	3	/ pid = wait(&status);
	4	/
	5	/ pid == -1 if error
	6	/ status indicates fate of process
	7
	8	.globl _wait, cerror
	9
	10	_wait:
	11	mov r5,-(sp)
	12	mov sp,r5
	13	sys wait
	14	bec 1f
	15	jmp cerror
	16	1:
	17	mov r1,*4(r5) / status return
	18	mov (sp)+,r5
	19	rts pc