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vmm: config: Extend 'VmConfig' with 'preserved_fds'

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Preserved FDs are the ones that share the same life-time as its holding
VmConfig instance, such as FDs for creating TAP devices.

Preserved FDs will stay open as long as the holding VmConfig instance is
valid, and will be closed when the holding VmConfig instance is destroyed.

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen
2023-04-14 16:44:41 -07:00
committed by Rob Bradford
parent 8eb162e3d7
commit a84b540b65
4 changed files with 25 additions and 0 deletions
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vmm/src/vm_config.rs
+6
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@@ -596,4 +596,10 @@ pub struct VmConfig {
pub gdb: bool,
pub platform: Option<PlatformConfig>,
pub tpm: Option<TpmConfig>,
// Preseved FDs are the ones that share the same life-time as its holding
// VmConfig instance, such as FDs for creating TAP devices.
// Perserved FDs will stay open as long as the holding VmConfig instance is
// valid, and will be closed when the holding VmConfig instance is destroyed.
#[serde(skip)]
pub preserved_fds: Option<Vec<i32>>,
}