RTR3DECL(int) RTThreadSetAffinity(PCRTCPUSET pCpuSet) { int rc; if (pCpuSet == NULL) rc = processor_bind(P_LWPID, P_MYID, PBIND_NONE, NULL); else { RTCPUSET PresentSet; int cCpusInSet = RTCpuSetCount(pCpuSet); if (cCpusInSet == 1) { unsigned iCpu = 0; while ( iCpu < RTCPUSET_MAX_CPUS && !RTCpuSetIsMemberByIndex(pCpuSet, iCpu)) iCpu++; rc = processor_bind(P_LWPID, P_MYID, iCpu, NULL); } else if ( cCpusInSet == RTCPUSET_MAX_CPUS || RTCpuSetIsEqual(pCpuSet, RTMpGetPresentSet(&PresentSet))) rc = processor_bind(P_LWPID, P_MYID, PBIND_NONE, NULL); else return VERR_NOT_SUPPORTED; } if (!rc) return VINF_SUCCESS; return RTErrConvertFromErrno(errno); }
RTR3DECL(int) RTThreadSetAffinity(PCRTCPUSET pCpuSet) { RTCPUSET CurSet; RTThreadGetAffinity(&CurSet); if (pCpuSet && !RTCpuSetIsEqual(&CurSet, pCpuSet)) return VERR_INVALID_PARAMETER; return VINF_SUCCESS; }