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Monitor: Introduce cmd_new_ret() 

In order to implement the new error handling and debugging
mechanism for command handlers, we need to change the cmd_new()
callback to return a value.

This commit introduces cmd_new_ret(), which returns a value and
will be used only temporarily to handle the transition from
cmd_new().

That is, as soon as all command handlers are ported to cmd_new_ret(),
it will be renamed back to cmd_new() and the new error handling
and debugging mechanism will be added on top of it.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Luiz Capitulino 2010-02-10 23:49:47 -02:00 committed by Anthony Liguori
parent 98b5008081
commit 97536cffbf
1 changed files with 6 additions and 1 deletions
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7
monitor.c
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@ -98,6 +98,7 @@ typedef struct mon_cmd_t {
const char *params;
const char *help;
void (*user_print)(Monitor *mon, const QObject *data);
int (*cmd_new_ret)(Monitor *mon, const QDict *params, QObject **ret_data);
union {
void (*info)(Monitor *mon);
void (*info_new)(Monitor *mon, QObject **ret_data);
@ -3801,7 +3802,11 @@ static void monitor_call_handler(Monitor *mon, const mon_cmd_t *cmd,
{
QObject *data = NULL;
cmd->mhandler.cmd_new(mon, params, &data);
if (cmd->cmd_new_ret) {
cmd->cmd_new_ret(mon, params, &data);
} else {
cmd->mhandler.cmd_new(mon, params, &data);
}
if (is_async_return(data)) {
/*