Module Name: src Committed By: reinoud Date: Sun Aug 28 19:39:05 UTC 2011
Modified Files: src/sys/arch/usermode/usermode: syscall.c Log Message: Clean child_return() To generate a diff of this commit: cvs rdiff -u -r1.3 -r1.4 src/sys/arch/usermode/usermode/syscall.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/usermode/usermode/syscall.c diff -u src/sys/arch/usermode/usermode/syscall.c:1.3 src/sys/arch/usermode/usermode/syscall.c:1.4 --- src/sys/arch/usermode/usermode/syscall.c:1.3 Sat Aug 27 21:17:26 2011 +++ src/sys/arch/usermode/usermode/syscall.c Sun Aug 28 19:39:05 2011 @@ -1,4 +1,4 @@ -/* $NetBSD: syscall.c,v 1.3 2011/08/27 21:17:26 reinoud Exp $ */ +/* $NetBSD: syscall.c,v 1.4 2011/08/28 19:39:05 reinoud Exp $ */ /*- * Copyright (c) 2007 Jared D. McNeill <jmcne...@invisible.ca> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.3 2011/08/27 21:17:26 reinoud Exp $"); +__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.4 2011/08/28 19:39:05 reinoud Exp $"); #include <sys/types.h> #include <sys/param.h> @@ -36,24 +36,26 @@ #include <sys/lwp.h> #include <sys/sched.h> #include <sys/userret.h> +#include <sys/ktrace.h> +#include <sys/syscall.h> #include <machine/pcb.h> +#include <machine/thunk.h> void syscall(void); void child_return(void *arg) { -printf("child returned! arg %p\n", arg); -printf("xxx now what? switch to `userland' i.e. new code?\n"); lwp_t *l = arg; // struct pcb *pcb = lwp_getpcb(l); // struct trapframe *frame = pcb->pcb_tf; -/* XXX? */ - //frame->tf_r0 = 0; + /* XXX? */ +// frame->registers[0] = 0; +printf("child returned! arg %p\n", arg); mi_userret(l); -// ktrsysret(SYS_fork, 0, 0); + ktrsysret(SYS_fork, 0, 0); } void