38 #define __bos_fd_count_trivially_safe(bos_val, fds, fd_count)              \  argument
39   __bos_dynamic_check_impl_and((bos_val), >=, (sizeof(*fds) * (fd_count)), \
40                                (fd_count) <= __BIONIC_CAST(static_cast, nfds_t, -1) / sizeof(*fds))
43 int poll(struct pollfd* _Nullable const fds __pass_object_size, nfds_t fd_count, int timeout)  in poll()
45     __clang_error_if(__bos_unevaluated_lt(__bos(fds), sizeof(*fds) * fd_count),  in poll()
48   size_t bos_fds = __bos(fds);  in poll()
50   if (!__bos_fd_count_trivially_safe(bos_fds, fds, fd_count)) {  in poll()
51     return __poll_chk(fds, fd_count, timeout, bos_fds);  in poll()
54   return __call_bypassing_fortify(poll)(fds, fd_count, timeout);  in poll()
58 int ppoll(struct pollfd* _Nullable const fds __pass_object_size, nfds_t fd_count, const struct time…  in ppoll()
60     __clang_error_if(__bos_unevaluated_lt(__bos(fds), sizeof(*fds) * fd_count),  in ppoll()
63   size_t bos_fds = __bos(fds);  in ppoll()
65   if (!__bos_fd_count_trivially_safe(bos_fds, fds, fd_count)) {  in ppoll()
66     return __ppoll_chk(fds, fd_count, timeout, mask, bos_fds);  in ppoll()
69   return __call_bypassing_fortify(ppoll)(fds, fd_count, timeout, mask);  in ppoll()
74 int ppoll64(struct pollfd* _Nullable const fds __pass_object_size, nfds_t fd_count, const struct ti…  in ppoll64()
76     __clang_error_if(__bos_unevaluated_lt(__bos(fds), sizeof(*fds) * fd_count),  in ppoll64()
79   size_t bos_fds = __bos(fds);  in ppoll64()
81   if (!__bos_fd_count_trivially_safe(bos_fds, fds, fd_count)) {  in ppoll64()
82     return __ppoll64_chk(fds, fd_count, timeout, mask, bos_fds);  in ppoll64()
85   return __call_bypassing_fortify(ppoll64)(fds, fd_count, timeout, mask);  in ppoll64()