diff options
Diffstat (limited to 'pthread_win32_attach_detach_np.c')
| -rw-r--r-- | pthread_win32_attach_detach_np.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/pthread_win32_attach_detach_np.c b/pthread_win32_attach_detach_np.c index ea0a307..4aedccc 100644 --- a/pthread_win32_attach_detach_np.c +++ b/pthread_win32_attach_detach_np.c @@ -52,14 +52,46 @@ BOOL pthread_win32_process_attach_np () { BOOL result = TRUE; + DWORD_PTR vProcessCPUs; + DWORD_PTR vSystemCPUs; result = ptw32_processInitialize (); + #ifdef _UWIN pthread_count++; #endif ptw32_features = 0; + +#if defined(NEED_PROCESS_AFFINITY_MASK) + + ptw32_smp_system = PTW32_FALSE; + +#else + + if (GetProcessAffinityMask (GetCurrentProcess (), + &vProcessCPUs, &vSystemCPUs)) + { + int CPUs = 0; + DWORD_PTR bit; + + for (bit = 1; bit != 0; bit <<= 1) + { + if (vSystemCPUs & bit) + { + CPUs++; + } + } + ptw32_smp_system = (CPUs > 1); + } + else + { + ptw32_smp_system = PTW32_FALSE; + } + +#endif + #ifndef TEST_ICE /* |