int
sys_pselect6(struct tcb *tcp)
{
int rc = decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
if (entering(tcp)) {
long r;
struct {
unsigned long ptr;
unsigned long len;
} data;
#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
if (current_wordsize == 4) {
struct {
uint32_t ptr;
uint32_t len;
} data32;
r = umove(tcp, tcp->u_arg[5], &data32);
data.ptr = data32.ptr;
data.len = data32.len;
} else
#endif
r = umove(tcp, tcp->u_arg[5], &data);
if (r < 0)
tprintf(", %#lx", tcp->u_arg[5]);
else {
tprints(", {");
/* NB: kernel requires data.len == NSIG / 8 */
print_sigset_addr_len(tcp, data.ptr, data.len);
tprintf(", %lu}", data.len);
}
}
return rc;
}
int
verify_datatype_select(struct attropl * pattr, char **err_msg)
{
struct attribute atr;
int ret = PBSE_BADATVAL;
memset(&atr, 0, sizeof(struct attribute));
ret = decode_select(&atr, pattr->name,
pattr->resource, pattr->value);
(void)free(atr.at_val.at_str);
return ret;
}
int
sys_oldselect(struct tcb *tcp)
{
long args[5];
if (umoven(tcp, tcp->u_arg[0], sizeof args, (char *) args) < 0) {
tprints("[...]");
return 0;
}
return decode_select(tcp, args, BITNESS_CURRENT);
}
static int
umove_kulong_array_or_printaddr(struct tcb *tcp, const long addr,
kernel_ulong_t *ptr, size_t n)
{
#if defined X86_64 || defined X32
if (current_personality == 1) {
#else
if (current_wordsize < sizeof(*ptr)) {
#endif
uint32_t ptr32[n];
int r = umove_or_printaddr(tcp, addr, &ptr32);
if (!r) {
size_t i;
for (i = 0; i < n; ++i)
ptr[i] = (kernel_ulong_t) ptr32[i];
}
return r;
}
return umoven_or_printaddr(tcp, addr, n * sizeof(*ptr), ptr);
}
SYS_FUNC(pselect6)
{
int rc = decode_select(tcp, tcp->u_arg, print_timespec, sprint_timespec);
if (entering(tcp)) {
kernel_ulong_t data[2];
tprints(", ");
if (!umove_kulong_array_or_printaddr(tcp, tcp->u_arg[5],
data, ARRAY_SIZE(data))) {
tprints("{");
/* NB: kernel requires data[1] == NSIG / 8 */
print_sigset_addr_len(tcp, (unsigned long) data[0],
(unsigned long) data[1]);
tprintf(", %llu}", (unsigned long long) data[1]);
}
}
return rc;
}
int
sys_pselect6(struct tcb *tcp)
{
int rc = decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
if (entering(tcp)) {
struct {
void *ss;
unsigned long len;
} data;
if (umove(tcp, tcp->u_arg[5], &data) < 0)
tprintf(", %#lx", tcp->u_arg[5]);
else {
tprintf(", {");
if (data.len < sizeof(long))
tprintf("%#lx", (long)data.ss);
else
print_sigset(tcp, (long)data.ss, 0);
tprintf(", %lu}", data.len);
}
}
return rc;
}
int
sys_select(struct tcb *tcp)
{
return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
}
int
sys_osf_select(struct tcb *tcp)
{
long *args = tcp->u_arg;
return decode_select(tcp, args, BITNESS_32);
}