From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001 From: Jef Date: Tue, 24 Sep 2024 14:54:57 +0200 Subject: Initial community commit --- Src/replicant/nu/lfitem.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Src/replicant/nu/lfitem.c (limited to 'Src/replicant/nu/lfitem.c') diff --git a/Src/replicant/nu/lfitem.c b/Src/replicant/nu/lfitem.c new file mode 100644 index 00000000..4ece0251 --- /dev/null +++ b/Src/replicant/nu/lfitem.c @@ -0,0 +1,25 @@ +#include "nu/lfitem.h" +#include "foundation/atomics.h" + +void lfitem_init(lfitem_t item) +{ + item->item=0; +} + +void *lfitem_get(lfitem_t item) +{ + return nx_atomic_swap_pointer(0, &(item->item)); +} + +void *lfitem_set(lfitem_t item, const void *value) +{ + return nx_atomic_swap_pointer((void *)value, &(item->item)); +} + +void *lfitem_set_if_zero(lfitem_t item, void *value) +{ + if (nx_atomic_cmpxchg_pointer(0, value, &(item->item)) == 0) + return 0; + else + return (void *)value; +} \ No newline at end of file -- cgit