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[patch] riscos: Fix thread starvation in fullscreen mode

sdl_2.txt (text/plain), 1.20 KB, created by Jeffrey Lee on 2019-06-01 19:51:11 UTC

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Creator: Jeffrey Lee

Created: 2019-06-01 19:51:11 UTC

Size: 1.20 KB

patch

obsolete

># HG changeset patch
># User Jeffrey Lee <me@phlamethrower.co.uk>
># Date 1559258564 -3600
>#      Fri May 31 00:22:44 2019 +0100
># Branch riscos
># Node ID d1c949e40f800fd4ecaae289ce2d9b743aed9a39
># Parent  ecdfa3815d15b6650b606931bf9e55811806fda6
>riscos: Fix thread starvation in fullscreen mode
>
>diff -r ecdfa3815d15 -r d1c949e40f80 src/video/riscos/SDL_riscosevents.c
>--- a/src/video/riscos/SDL_riscosevents.c	Sat Jun 01 19:26:50 2019 +0100
>+++ b/src/video/riscos/SDL_riscosevents.c	Fri May 31 00:22:44 2019 +0100
>@@ -44,6 +44,10 @@
> #include "kernel.h"
> #include "swis.h"
> 
>+#if !SDL_THREADS_DISABLED
>+#include <pthread.h>
>+#endif
>+
> /* The translation table from a RISC OS internal key numbers to a SDL keysym */
> static SDLKey RO_keymap[SDLK_LAST];
> 
>@@ -83,6 +87,9 @@
> /* Timer running function */
> extern void RISCOS_CheckTimer();
> 
>+#else
>+extern int riscos_using_threads;
>+
> #endif
> 
> void FULLSCREEN_PumpEvents(_THIS)
>@@ -93,6 +100,14 @@
> #if SDL_THREADS_DISABLED
> //	DRenderer_FillBuffers();
> 	if (SDL_timer_running) RISCOS_CheckTimer();
>+#else
>+	/* Stop thread starvation, which will occur if the main loop
>+         doesn't call SDL_Delay */
>+	if (riscos_using_threads)
>+	{
>+		pthread_yield();
>+	}
>+
> #endif
> }
>

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Attachments on bug 4652: 3804

We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.