shithub: choc

Info  •  Files  •  Log  •  Branches

Set processor affinity under non-Windows platforms using the POSIX API.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 1243

--- a/src/i_main.c

+++ b/src/i_main.c

@@ -32,6 +32,9 @@

 #ifdef _WIN32

 #define WIN32_LEAN_AND_MEAN

 #include <windows.h>

+#else

+#include <unistd.h>

+#include <sched.h>

 #endif

 #include "doomdef.h"

@@ -46,15 +49,26 @@

     myargc = argc; 

     myargv = argv; 

-#ifdef _WIN32

-    // Set the process affinity mask to 1 on Windows, so that all threads

+    // Set the process affinity mask so that all threads

     // run on the same processor.  This is a workaround for a bug in 

     // SDL_mixer that causes occasional crashes.

+#ifdef _WIN32

     if (!SetProcessAffinityMask(GetCurrentProcess(), 1))

     {

         fprintf(stderr, "Failed to set process affinity mask (%d)\n",

                 (int) GetLastError());

+    }

+#else

+    // POSIX version:

+

+    {

+        cpu_set_t set;

+

+        CPU_ZERO(&set);

+        CPU_SET(0, &set);

+

+        sched_setaffinity(getpid(), sizeof(set), &set);

     }

 #endif