linuxkpi: atomic: Add atomic_fetch_inc

Reviewed by: hselasky Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D35936
2022-07-26 10:00:42 +02:00 · 2022-07-26 10:00:42 +02:00 · 6be89cc88d
commit 6be89cc88d
parent 63167eb48c
1 changed files with 7 additions and 0 deletions
--- a/sys/compat/linuxkpi/common/include/asm/atomic.h
+++ b/sys/compat/linuxkpi/common/include/asm/atomic.h
@ -307,6 +307,13 @@ static inline int atomic_fetch_##op(int i, atomic_t *v)		\
 	return (c);						\
 }

+static inline int
+atomic_fetch_inc(atomic_t *v)
+{
+
+	return ((atomic_inc_return(v) - 1));
+}
+
 LINUX_ATOMIC_OP(or, |)
 LINUX_ATOMIC_OP(and, &)
 LINUX_ATOMIC_OP(andnot, &~)