(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_LinuxSetThreadPriorityAndPolicy

Sets the priority (not nice level) and scheduling policy for a thread.

Header File

Defined in SDL_system.h, but apps should use #include <SDL3/SDL.h>

Syntax

int SDL_LinuxSetThreadPriorityAndPolicy(Sint64 threadID, int sdlPriority, int schedPolicy);

Function Parameters

threadID	The Unix thread ID to change priority of.
sdlPriority	The new SDL_ThreadPriority value.
schedPolicy	The new scheduling policy (SCHED_FIFO, SCHED_RR, SCHED_OTHER, etc...)

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

This uses setpriority() if possible, and RealtimeKit if available.

Version

This function is available since SDL 3.0.0.

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CategoryAPI, CategoryAPIFunction, CategoryLinux

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