C++ (Cpp) copy_fp_to_sigcontext32 Beispiele

Beispiel #1

Datei: signal32.c Projekt: 24hours/linux

/*
 * sigcontext handlers
 */
static int protected_save_fp_context32(struct sigcontext32 __user *sc,
				       unsigned used_math)
{
	int err;
	bool save_msa = cpu_has_msa && (used_math & USEDMATH_MSA);
	while (1) {
		lock_fpu_owner();
		if (is_fpu_owner()) {
			err = save_fp_context32(sc);
			if (save_msa && !err)
				err = _save_msa_context32(sc);
			unlock_fpu_owner();
		} else {
			unlock_fpu_owner();
			err = copy_fp_to_sigcontext32(sc);
			if (save_msa && !err)
				err = copy_msa_to_sigcontext32(sc);
		}
		if (likely(!err))
			break;
		/* touch the sigcontext and try again */
		err = __put_user(0, &sc->sc_fpregs[0]) |
			__put_user(0, &sc->sc_fpregs[31]) |
			__put_user(0, &sc->sc_fpc_csr);
		if (err)
			break;	/* really bad sigcontext */
	}
	return err;
}

Beispiel #2

Datei: signal32.c Projekt: CaptainThrowback/android_kernel_htc_pme

/*
 * sigcontext handlers
 */
static int protected_save_fp_context32(struct sigcontext32 __user *sc)
{
	int err;
	while (1) {
		lock_fpu_owner();
		if (is_fpu_owner()) {
			err = save_fp_context32(sc);
			unlock_fpu_owner();
		} else {
			unlock_fpu_owner();
			err = copy_fp_to_sigcontext32(sc);
		}
		if (likely(!err))
			break;
		/* touch the sigcontext and try again */
		err = __put_user(0, &sc->sc_fpregs[0]) |
			__put_user(0, &sc->sc_fpregs[31]) |
			__put_user(0, &sc->sc_fpc_csr);
		if (err)
			break;	/* really bad sigcontext */
	}
	return err;
}