Revision ea6abffa8a08d832feb759d359d5b935e3087cf7 authored by Peter Maydell on 17 July 2018, 17:15:19 UTC, committed by Peter Maydell on 17 July 2018, 17:15:19 UTC
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1 parent 59b5552
guest-agent-command-state.c
/*
* QEMU Guest Agent command state interfaces
*
* Copyright IBM Corp. 2011
*
* Authors:
* Michael Roth <mdroth@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "guest-agent-core.h"
struct GACommandState {
GSList *groups;
};
typedef struct GACommandGroup {
void (*init)(void);
void (*cleanup)(void);
} GACommandGroup;
/* handle init/cleanup for stateful guest commands */
void ga_command_state_add(GACommandState *cs,
void (*init)(void),
void (*cleanup)(void))
{
GACommandGroup *cg = g_new0(GACommandGroup, 1);
cg->init = init;
cg->cleanup = cleanup;
cs->groups = g_slist_append(cs->groups, cg);
}
static void ga_command_group_init(gpointer opaque, gpointer unused)
{
GACommandGroup *cg = opaque;
g_assert(cg);
if (cg->init) {
cg->init();
}
}
void ga_command_state_init_all(GACommandState *cs)
{
g_assert(cs);
g_slist_foreach(cs->groups, ga_command_group_init, NULL);
}
static void ga_command_group_cleanup(gpointer opaque, gpointer unused)
{
GACommandGroup *cg = opaque;
g_assert(cg);
if (cg->cleanup) {
cg->cleanup();
}
}
void ga_command_state_cleanup_all(GACommandState *cs)
{
g_assert(cs);
g_slist_foreach(cs->groups, ga_command_group_cleanup, NULL);
}
GACommandState *ga_command_state_new(void)
{
GACommandState *cs = g_new0(GACommandState, 1);
cs->groups = NULL;
return cs;
}
void ga_command_state_free(GACommandState *cs)
{
g_slist_free_full(cs->groups, g_free);
g_free(cs);
}
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