Function

VipsThreadpoolWorkFn

Declaration

int
(* VipsThreadpoolWorkFn) (
  VipsThreadState* state,
  void* a
)

Description [src]

This function is called to process a work unit. Many copies of this can run at once, so it should not write to the per-pool state. It can write to per-thread state.

::: seealso vips_threadpool_run().

Parameters

`state`	`VipsThreadState`
	Per-thread state.
	The data is owned by the caller of the function.
`a`	`void*`
	Client data.
	The argument can be `NULL`.
	The data is owned by the caller of the function.

Return value

Returns:	`int`
	0 on success, or -1 on error.