#include Result nvchannelCreate(NvChannel* c, const char* dev) { Result rc; c->has_init = true; rc = nvOpen(&c->fd, dev); if (R_FAILED(rc)) c->fd = -1; if (R_FAILED(rc)) nvchannelClose(c); return rc; } void nvchannelClose(NvChannel* c) { if (!c->has_init) return; if (c->fd != -1) nvClose(c->fd); c->fd = -1; } Result nvchannelSetPriority(NvChannel* c, NvChannelPriority prio) { return nvioctlChannel_SetPriority(c->fd, prio); }