mirror of
https://github.com/checkpoint-restore/criu
synced 2025-08-22 01:51:51 +00:00
121e0b906f
Some entries might be missing and that should not cause CRIU to stop dumping when we know the entries are safe to unuse. Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
40 lines
870 B
C
40 lines
870 B
C
#ifndef __CR_SYSCTL_H__
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#define __CR_SYSCTL_H__
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struct sysctl_req {
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char *name;
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void *arg;
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int type;
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int flags;
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};
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extern int sysctl_op(struct sysctl_req *req, size_t nr_req, int op);
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enum {
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CTL_READ,
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CTL_WRITE,
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};
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#define CTL_SHIFT 4 /* Up to 16 types */
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#define CTL_U32 1 /* Single u32 */
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#define CTL_U64 2 /* Single u64 */
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#define __CTL_U32A 3 /* Array of u32 */
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#define __CTL_U64A 4 /* Array of u64 */
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#define __CTL_STR 5 /* String */
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#define CTL_32 6 /* Single s32 */
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#define CTL_U32A(n) (__CTL_U32A | ((n) << CTL_SHIFT))
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#define CTL_U64A(n) (__CTL_U64A | ((n) << CTL_SHIFT))
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#define CTL_STR(len) (__CTL_STR | ((len) << CTL_SHIFT))
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#define CTL_LEN(t) ((t) >> CTL_SHIFT)
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#define CTL_TYPE(t) ((t) & ((1 << CTL_SHIFT) - 1))
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/*
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* Some entries might be missing mark them as optional.
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*/
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#define CTL_FLAGS_OPTIONAL 1
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#endif /* __CR_SYSCTL_H__ */
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