wine_osx_affinity.patch

*** /tmp/wine-wine-1.9.11/server/thread.c	2016-05-27 16:40:02.000000000 +0200
--- ../server/thread.c	2016-06-13 04:30:48.000000000 +0200
***************
*** 38,43 ****
--- 38,52 ----
  #ifdef HAVE_SCHED_H
  #include <sched.h>
  #endif
+ #if defined(__APPLE__)
+ #include <mach/mach_types.h>
+ #include <pthread.h>
+ #include <IOKit/IOKitLib.h>
+ #include <mach/thread_act.h>
+ #include <mach/mach_port.h>
+ #include <mach/task.h>
+ #include <mach/mach_traps.h>
+ #endif
  
  #include "ntstatus.h"
  #define WIN32_NO_STATUS
***************
*** 449,454 ****
--- 458,496 ----
  
          ret = sched_setaffinity( thread->unix_tid, sizeof(set), &set );
      }
+ #elif defined(__APPLE__)
+     if (thread->unix_tid != -1 && __builtin_popcount(affinity) == 1) {
+         mach_port_t proc_port = thread->process->trace_data;
+         if (task_suspend(proc_port) != KERN_SUCCESS) {
+             fprintf(stderr, "Failed to suspend task %d\n", proc_port);
+         }
+ 
+         static io_connect_t conn;
+         static io_service_t service;
+ 
+         mach_port_t thread_port;
+         mach_msg_type_name_t type;
+         if (mach_port_extract_right(proc_port, thread->unix_tid, MACH_MSG_TYPE_COPY_SEND, &thread_port, &type))
+             fprintf(stderr, "Failed to obtain thread port for %d\n", thread->unix_tid);
+ 
+         if (!service)
+             service = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("ThreadBinder"));
+         if (!conn)
+             if (IOServiceOpen(service, mach_task_self(), 0, &conn) != KERN_SUCCESS)
+                 fprintf(stderr, "Failed to open ThreadBinder IOService\n");
+ 
+         uint64_t input[] = {thread_port, affinity > 0 ? affinity - 1 : affinity};
+         uint64_t res = 0;
+         uint32_t outCnt = 0;
+ 
+         kern_return_t kret = IOConnectCallScalarMethod(conn, 0, input, 2, &res, &outCnt);
+         if (kret != KERN_SUCCESS)
+             ret = EINVAL;
+         // fprintf(stderr, "binding 0x%x; kret: 0x%x\n", thread_port, kret);
+ 
+         task_resume(proc_port);
+         mach_port_deallocate(proc_port, thread_port);
+     }
  #endif
      if (!ret) thread->affinity = affinity;
      return ret;