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win32 compilation - force process affinity on win32 as a workaround for SMP issues 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2051 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-07-14 09:36:13 +00:00
parent ec607da7c2
commit a8e5ac33d2
1 changed files with 20 additions and 0 deletions
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20
vl.c
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@ -517,6 +517,8 @@ static int64_t clock_freq;
static void init_get_clock(void) static void init_get_clock(void)
{ {
LARGE_INTEGER freq;
int ret;
ret = QueryPerformanceFrequency(&freq); ret = QueryPerformanceFrequency(&freq);
if (ret == 0) { if (ret == 0) {
fprintf(stderr, "Could not calibrate ticks\n"); fprintf(stderr, "Could not calibrate ticks\n");
@ -5614,6 +5616,24 @@ int main(int argc, char **argv)
} }
#else #else
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
/* Note: cpu_interrupt() is currently not SMP safe, so we force
QEMU to run on a single CPU */
{
HANDLE h;
DWORD mask, smask;
int i;
h = GetCurrentProcess();
if (GetProcessAffinityMask(h, &mask, &smask)) {
for(i = 0; i < 32; i++) {
if (mask & (1 << i))
break;
}
if (i != 32) {
mask = 1 << i;
SetProcessAffinityMask(h, mask);
}
}
}
#endif #endif
init_timers(); init_timers();
init_timer_alarm(); init_timer_alarm();