summaryrefslogtreecommitdiff
path: root/scripts/atomic/chkdup.sh
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/atomic/chkdup.sh')
-rw-r--r--scripts/atomic/chkdup.sh27
1 files changed, 27 insertions, 0 deletions
diff --git a/scripts/atomic/chkdup.sh b/scripts/atomic/chkdup.sh
new file mode 100644
index 000000000000..04bb4f5c5c34
--- /dev/null
+++ b/scripts/atomic/chkdup.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Check to see if the specified atomic is already in use. This is
+# done by keeping filenames in the temporary directory specified by the
+# environment variable T.
+#
+# Usage:
+# chkdup.sh name fallback
+#
+# The "name" argument is the name of the function to be generated, and
+# the "fallback" argument is the name of the fallback script that is
+# doing the generation.
+#
+# If the function is a duplicate, output a comment saying so and
+# exit with non-zero (error) status. Otherwise exit successfully
+#
+# If the function is a duplicate, output a comment saying so and
+# exit with non-zero (error) status. Otherwise exit successfully.
+
+if test -f ${T}/${1}
+then
+ echo // Fallback ${2} omitting duplicate "${1}()" kernel-doc header.
+ exit 1
+fi
+touch ${T}/${1}
+exit 0