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authorStefan Schmidt <stefan@datenfreihafen.org>2019-03-19 16:25:37 +0100
committerStefan Schmidt <stefan@datenfreihafen.org>2019-03-19 16:25:37 +0100
commit86008304dc2ad41a274cdacb585c641ec6bbb558 (patch)
tree7d8fdd6d9cbba05cebb7d36c4309ea2bb48e0af0 /scripts/atomic/fallbacks/add_negative
parent19b39a25388e71390e059906c979f87be4ef0c71 (diff)
parentffa91253739ca89fc997195d8bbd1f7ba3e29fbe (diff)
Merge remote-tracking branch 'net/master'
Diffstat (limited to 'scripts/atomic/fallbacks/add_negative')
-rwxr-xr-xscripts/atomic/fallbacks/add_negative16
1 files changed, 16 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/add_negative b/scripts/atomic/fallbacks/add_negative
new file mode 100755
index 000000000000..e6f4815637de
--- /dev/null
+++ b/scripts/atomic/fallbacks/add_negative
@@ -0,0 +1,16 @@
+cat <<EOF
+/**
+ * ${atomic}_add_negative - add and test if negative
+ * @i: integer value to add
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically adds @i to @v and returns true
+ * if the result is negative, or false when
+ * result is greater than or equal to zero.
+ */
+static inline bool
+${atomic}_add_negative(${int} i, ${atomic}_t *v)
+{
+ return ${atomic}_add_return(i, v) < 0;
+}
+EOF