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author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/qga/guest-agent-command-state.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/qga/guest-agent-command-state.c')
-rw-r--r-- | qemu/qga/guest-agent-command-state.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/qemu/qga/guest-agent-command-state.c b/qemu/qga/guest-agent-command-state.c new file mode 100644 index 000000000..969da2328 --- /dev/null +++ b/qemu/qga/guest-agent-command-state.c @@ -0,0 +1,73 @@ +/* + * 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 <glib.h> +#include "qga/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_malloc0(sizeof(GACommandGroup)); + 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_malloc0(sizeof(GACommandState)); + cs->groups = NULL; + return cs; +} |