HelenOS sources

SWITCH_FROM_BLOCKED  484 uspace/lib/c/generic/thread/fibril.c 	case SWITCH_FROM_BLOCKED:
SWITCH_FROM_BLOCKED  694 uspace/lib/c/generic/thread/fibril.c 	_fibril_switch_to(SWITCH_FROM_BLOCKED, dstf, true);
HelenOS homepage, sources at GitHub