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img: Extend task image with state and exit code

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Introduce 3 states we will have to work with:

* alive for tasks sleeping or running
* dead for zombies
* stopped for stopped tasks. We cannot distinguish tasks in this state now,
  but with freezer cgroup this will become possible

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
This commit is contained in:
Pavel Emelyanov
2012-01-22 20:24:04 +04:00
committed by Cyrill Gorcunov
parent 21bbfee919
commit 18aaad6164
3 changed files with 29 additions and 0 deletions
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7
include/image.h
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@@ -223,6 +223,9 @@ struct ckpt_arch_entry {
#define CKPT_CORE_SIZE (2 * 4096)
struct task_core_entry {
u8 task_state;
u8 pad[3];
u32 exit_code;
u32 personality;
u8 comm[TASK_COMM_LEN];
@@ -248,6 +251,10 @@ struct core_entry {
};
} __packed;
#define TASK_ALIVE 0x1
#define TASK_DEAD 0x2
#define TASK_STOPPED 0x3 /* FIXME - implement */
#endif /* CONFIG_X86_64 */
/*