From 5f813d49a08cf3c3f8cf6c422cfb6587df575f62 Mon Sep 17 00:00:00 2001 From: Jon Santmyer Date: Sat, 26 Sep 2026 17:11:50 -0400 Subject: add docs for syscalls. make syscall code kind-of cleaner --- sys/lockstack.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 sys/lockstack.c (limited to 'sys/lockstack.c') diff --git a/sys/lockstack.c b/sys/lockstack.c new file mode 100644 index 0000000..7a419ac --- /dev/null +++ b/sys/lockstack.c @@ -0,0 +1,30 @@ +#include "lockstack.h" +#include "lib/printf.h" + +jove_owned_obj_t* +lockstack_push(lockstack_t *stack, jove_owned_obj_t *obj) +{ + if(stack->depth == LOCKSTACK_MAX) { + klogf("lock stack exceeds %i entries\n", LOCKSTACK_MAX); + return NULL; + } + if(obj == NULL) return obj; + + stack->stack[stack->depth++] = obj; + return obj; +} + +jove_obj_t* +lockstack_pop(lockstack_t *stack) +{ + return obj_release(stack->stack[--stack->depth]); +} + +void +lockstack_popall(lockstack_t *stack) +{ + for(size_t i = 0; i < stack->depth; i++) + obj_release(stack->stack[i]); + stack->depth = 0; +} + -- cgit v1.2.3