Daniel Nephin
be83c11fb0
Signed-off-by: Daniel Nephin <dnephin@docker.com> Upstream-commit: 4f0d95fa6ee7f865597c03b9e63702cdcb0f7067 Component: engine
42 lines
968 B
Go
42 lines
968 B
Go
package mount // import "github.com/docker/docker/pkg/mount"
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/*
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#include <sys/param.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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*/
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import "C"
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import (
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"fmt"
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"reflect"
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"unsafe"
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)
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// Parse /proc/self/mountinfo because comparing Dev and ino does not work from
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// bind mounts.
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func parseMountTable() ([]*Info, error) {
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var rawEntries *C.struct_statfs
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count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))
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if count == 0 {
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return nil, fmt.Errorf("Failed to call getmntinfo")
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}
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var entries []C.struct_statfs
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header := (*reflect.SliceHeader)(unsafe.Pointer(&entries))
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header.Cap = count
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header.Len = count
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header.Data = uintptr(unsafe.Pointer(rawEntries))
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var out []*Info
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for _, entry := range entries {
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var mountinfo Info
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mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])
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mountinfo.Source = C.GoString(&entry.f_mntfromname[0])
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mountinfo.Fstype = C.GoString(&entry.f_fstypename[0])
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out = append(out, &mountinfo)
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}
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return out, nil
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}
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