Function wasix::stack_checkpoint

source · [−]
pub unsafe fn stack_checkpoint(
    snapshot: *mut StackSnapshot
) -> Result<Longsize, Errno>
Expand description

Creates a checkpoint of the current stack which allows it to be restored later using its stack hash. The value supplied will be returned upon restoration (and hence must be none zero) - zero will be returned when the stack is first recorded. This function will read the __stack_pointer global

Parameters

  • snapshot - Reference to the stack snapshot that will be filled

Return

Returns zero upon registration and the value when restored