int socket_bind_to_ifname(int fd, const char *ifname);
int socket_bind_to_ifindex(int fd, int ifindex);
+/* Define a 64bit version of timeval/timespec in any case, even on 32bit userspace. */
+struct timeval_large {
+ uint64_t tvl_sec, tvl_usec;
+};
+struct timespec_large {
+ uint64_t tvl_sec, tvl_nsec;
+};
+
+/* glibc duplicates timespec/timeval on certain 32bit archs, once in 32bit and once in 64bit.
+ * See __convert_scm_timestamps() in glibc souce code. Hence, we need additional buffer space for them
+ * to prevent from recvmsg_safe() returning -EXFULL. */
+#define CMSG_SPACE_TIMEVAL \
+ ((sizeof(struct timeval) == sizeof(struct timeval_large)) ? \
+ CMSG_SPACE(sizeof(struct timeval)) : \
+ CMSG_SPACE(sizeof(struct timeval)) + \
+ CMSG_SPACE(sizeof(struct timeval_large)))
+#define CMSG_SPACE_TIMESPEC \
+ ((sizeof(struct timespec) == sizeof(struct timespec_large)) ? \
+ CMSG_SPACE(sizeof(struct timespec)) : \
+ CMSG_SPACE(sizeof(struct timespec)) + \
+ CMSG_SPACE(sizeof(struct timespec_large)))
+
ssize_t recvmsg_safe(int sockfd, struct msghdr *msg, int flags);
int socket_get_family(int fd, int *ret);
* identical to NAME_MAX. For now we use that, but this should be updated one day when the final
* limit is known. */
CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(struct ucred)) +
- CMSG_SPACE(sizeof(struct timeval)) +
+ CMSG_SPACE_TIMEVAL +
CMSG_SPACE(sizeof(int)) + /* fd */
CMSG_SPACE(NAME_MAX) /* selinux label */) control;
triple_timestamp *ret_timestamp) {
CMSG_BUFFER_TYPE(CMSG_SPACE(sizeof(int)) + /* ttl */
- CMSG_SPACE(sizeof(struct timeval))) control;
+ CMSG_SPACE_TIMEVAL) control;
struct iovec iov = {};
union sockaddr_union sa = {};
struct msghdr msg = {