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JaviandGitHub
2fa6167573
* upgrade prometheus to version 3.0.0 * upgrade to version 3.1.0 * linting * more linting * escape quotes for metrics labels * fix last test * changelog * added source to the logger * fix go.sum * improve tests to cover prometheus changes in validation regex
37 lines
730 B
Go
37 lines
730 B
Go
package vsock
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import (
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"fmt"
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"os"
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"golang.org/x/sys/unix"
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)
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// contextID retrieves the local context ID for this system.
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func contextID() (uint32, error) {
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f, err := os.Open(devVsock)
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if err != nil {
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return 0, err
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}
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defer f.Close()
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return unix.IoctlGetUint32(int(f.Fd()), unix.IOCTL_VM_SOCKETS_GET_LOCAL_CID)
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}
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// isErrno determines if an error a matches UNIX error number.
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func isErrno(err error, errno int) bool {
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switch errno {
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case ebadf:
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return err == unix.EBADF
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case enotconn:
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return err == unix.ENOTCONN
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default:
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panicf("vsock: isErrno called with unhandled error number parameter: %d", errno)
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return false
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}
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}
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func panicf(format string, a ...interface{}) {
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panic(fmt.Sprintf(format, a...))
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}
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