Function

VipsThreadpoolAllocateFn

Declaration

int
(* VipsThreadpoolAllocateFn) (
  VipsThreadState* state,
  void* a,
  gboolean* stop
)

Description [src]

This function is called to allocate a new work unit for the thread. It is always single-threaded, so it can modify per-pool state (such as a counter).

It should set stop to TRUE to indicate that no work could be allocated because the job is done.

Parameters

state

Type: VipsThreadState

Per-thread state.

The data is owned by the caller of the function.
a

Type: void*

Client data.

The argument can be NULL.
The data is owned by the caller of the function.
stop

Type: gboolean*

Set this to signal end of computation.

The data is owned by the caller of the function.

Return value

Type: int

0 on success, or -1 on error.