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SDL_WriteAsyncIO - Start an async write.

Availability

       This function is available since SDL 3.2.0.

Description

       This function writes size bytes from offset position in the data source to the area pointed at by ptr .

       This function returns as quickly as possible; it does not wait for the write to complete. On a successful
       return,  this  work  will continue in the background. If the work begins, even failure is asynchronous: a
       failing return value from this function only means the work couldn't  start  at  all.   ptr  must  remain
       available  until  the  work  is  done,  and  may be accessed by the system at any time until then. Do not
       allocate it on the stack, as this might take longer than the life of the calling function to complete!

       An SDL_AsyncIOQueue
        must be specified. The newly-created task will be added to it when it completes its work.

Function Parameters

asyncio
              a pointer to an SDL_AsyncIO
               structure.

       ptr    a pointer to a buffer to write data from.

       offset the position to start writing to the data source.

       size   the number of bytes to write to the data source.

       queue  a queue to add the new SDL_AsyncIO
               to.

       userdata
              an app-defined pointer that will be provided with the task results.

Header File

       Defined in SDL3/SDL_asyncio.h

Name

       SDL_WriteAsyncIO - Start an async write.

Return Value

       Returns true on success or false on failure; call

       SDL_GetError () for more information.

See Also

(3), SDL_ReadAsyncIO(3), (3), SDL_CreateAsyncIOQueue(3)

Simple Directmedia Layer                           SDL 3.2.10                                SDL_WriteAsyncIO(3)

Synopsis

#include"SDL3/SDL.h"boolSDL_WriteAsyncIO(SDL_AsyncIO*asyncio,void*ptr,Uint64offset,Uint64size,SDL_AsyncIOQueue*queue,void*userdata);

Thread Safety

       It is safe to call this function from any thread.

See Also