ssize_t sendmsg(int sockfd, const struct msghdr *msg, int flags) {
int len = 0;
for (int i=0; i<msg->msg_iovlen; i++)
len += msg->msg_iov[i].iov_len;
bw_bytes += len;
if (bw_mustDrop())
return len;
printf("sending %d bytes\n", len);
return __libc_sendmsg(sockfd, msg, flags);
}
ssize_t
__sock_sendmsg_r(int fd, const struct msghdr *msg, int flags)
{
ssize_t ret = -1;
pthread_cleanup_push_defer_np(__sock_putuser, &fd);
if (__sock_getuser(fd)) {
if ((ret = __sock_sendmsg(fd, msg, flags)) == -1)
pthread_testcancel();
__sock_putuser(&fd);
} else {
if ((ret = __libc_sendmsg(fd, msg, flags)) == -1)
pthread_testcancel();
}
pthread_cleanup_pop_restore_np(0);
return (ret);
}
