mirror of https://gitee.com/openkylin/qemu.git
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/*
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* QEMU Guest Agent command state interfaces
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*
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* Copyright IBM Corp. 2011
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*
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* Authors:
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* Michael Roth <mdroth@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <glib.h>
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#include "qga/guest-agent-core.h"
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struct GACommandState {
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GSList *groups;
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};
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typedef struct GACommandGroup {
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void (*init)(void);
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void (*cleanup)(void);
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} GACommandGroup;
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/* handle init/cleanup for stateful guest commands */
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void ga_command_state_add(GACommandState *cs,
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void (*init)(void),
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void (*cleanup)(void))
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{
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GACommandGroup *cg = g_malloc0(sizeof(GACommandGroup));
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cg->init = init;
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cg->cleanup = cleanup;
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cs->groups = g_slist_append(cs->groups, cg);
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}
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static void ga_command_group_init(gpointer opaque, gpointer unused)
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{
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GACommandGroup *cg = opaque;
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g_assert(cg);
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if (cg->init) {
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cg->init();
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}
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}
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void ga_command_state_init_all(GACommandState *cs)
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{
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g_assert(cs);
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g_slist_foreach(cs->groups, ga_command_group_init, NULL);
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}
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static void ga_command_group_cleanup(gpointer opaque, gpointer unused)
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{
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GACommandGroup *cg = opaque;
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g_assert(cg);
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if (cg->cleanup) {
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cg->cleanup();
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}
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}
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void ga_command_state_cleanup_all(GACommandState *cs)
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{
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g_assert(cs);
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g_slist_foreach(cs->groups, ga_command_group_cleanup, NULL);
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}
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GACommandState *ga_command_state_new(void)
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{
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GACommandState *cs = g_malloc0(sizeof(GACommandState));
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cs->groups = NULL;
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return cs;
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}
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