static sigar_pid_t rb_sigar_pid_get(rb_sigar_t *rbsigar, VALUE obj)
{
SIGAR;
if (TYPE(obj) == T_STRING) {
char *pid = StringValuePtr(obj);
if (sigar_isdigit(*pid)) {
obj = rb_str2inum(obj, 10);
/* fallthru */
}
else if ((RSTRING_LEN(obj) == 2) &&
(*pid == '$') && (*(pid + 1) == '$'))
{
return sigar_pid_get(sigar);
}
else {
/* XXX cache queries */
sigar_ptql_query_t *query;
sigar_ptql_error_t error;
int status =
sigar_ptql_query_create(&query, (char *)pid, &error);
if (status == SIGAR_OK) {
sigar_pid_t qpid;
sigar_ptql_re_impl_set(sigar, NULL, rbsigar_ptql_re_impl);
status = sigar_ptql_query_find_process(sigar, query, &qpid);
sigar_ptql_re_impl_set(sigar, NULL, NULL);
sigar_ptql_query_destroy(query);
if (status == SIGAR_OK) {
return qpid;
}
else {
RB_SIGAR_RAISE(sigar_strerror(sigar, status));
}
}
else {
RB_SIGAR_RAISE(error.message);
}
}
}
return NUM2UINT(obj);
}
VALUE string_spec_rb_str2inum(VALUE self, VALUE str, VALUE inum) {
int num = FIX2INT(inum);
return rb_str2inum(str, num);
}