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-rw-r--r--vendor/github.com/openshift/imagebuilder/signal/signal.go25
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/github.com/openshift/imagebuilder/signal/signal.go b/vendor/github.com/openshift/imagebuilder/signal/signal.go
new file mode 100644
index 000000000..46493965d
--- /dev/null
+++ b/vendor/github.com/openshift/imagebuilder/signal/signal.go
@@ -0,0 +1,25 @@
+// Package signal provides helper functions for dealing with signals across
+// various operating systems.
+package signal
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+)
+
+// CheckSignal translates a string to a valid syscall signal.
+// It returns an error if the signal map doesn't include the given signal.
+func CheckSignal(rawSignal string) error {
+ s, err := strconv.Atoi(rawSignal)
+ if err == nil {
+ if s == 0 {
+ return fmt.Errorf("Invalid signal: %s", rawSignal)
+ }
+ return nil
+ }
+ if _, ok := SignalMap[strings.TrimPrefix(strings.ToUpper(rawSignal), "SIG")]; !ok {
+ return fmt.Errorf("Invalid signal: %s", rawSignal)
+ }
+ return nil
+}