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propagate error code for prepare image

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This commit is contained in:
Tomoki Shirasawa
2013-06-05 17:38:23 +09:00
parent 8b9e97ceb7
commit d8034eeb13
5 changed files with 12 additions and 5 deletions
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4
executer/kernel/control.c
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@ -87,8 +87,8 @@ static long mcexec_prepare_image(ihk_os_t os,
wait_event_interruptible(usrdata->wq_prepare, pdesc->status);
if(pdesc->err == -1){
ret = -EFAULT;
if(pdesc->err < 0){
ret = pdesc->err;
goto free_out;
}

2
executer/kernel/ikc.c
View File

@ -35,7 +35,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
break;
case SCD_MSG_PREPARE_PROCESS_NACKED:
mcexec_prepare_ack(__os, pisp->arg, -1);
mcexec_prepare_ack(__os, pisp->arg, pisp->err);
break;
case SCD_MSG_SYSCALL_ONESIDE:

1
executer/kernel/mcctrl.h
View File

@ -24,6 +24,7 @@
struct ikc_scd_packet {
int msg;
int ref;
int err;
unsigned long arg;
};

9
kernel/host.c
View File

@ -367,6 +367,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
{
struct ikc_scd_packet *packet = __packet;
struct ikc_scd_packet pckt;
int rc;
switch (packet->msg) {
case SCD_MSG_INIT_CHANNEL_ACKED:
@ -375,10 +376,14 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
return 0;
case SCD_MSG_PREPARE_PROCESS:
if(process_msg_prepare_process(packet->arg) == 0)
if((rc = process_msg_prepare_process(packet->arg)) == 0){
pckt.msg = SCD_MSG_PREPARE_PROCESS_ACKED;
else
pckt.err = 0;
}
else{
pckt.msg = SCD_MSG_PREPARE_PROCESS_NACKED;
pckt.err = rc;
}
pckt.ref = packet->ref;
pckt.arg = packet->arg;
syscall_channel_send(c, &pckt);

1
kernel/include/syscall.h
View File

@ -73,6 +73,7 @@ struct user_desc {
struct ikc_scd_packet {
int msg;
int ref;
int err;
unsigned long arg;
};