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@ -13,56 +13,53 @@ package main
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#include <sys/un.h>
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#include <sys/uio.h>
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#define ANCIL_FD_BUFFER(n) \
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struct { \
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struct cmsghdr h; \
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int fd[n]; \
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}
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int
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ancil_send_fds_with_buffer(int sock, const int *fds, unsigned n_fds, void *buffer)
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{
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struct msghdr msghdr;
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char nothing = '!';
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struct iovec nothing_ptr;
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struct cmsghdr *cmsg;
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int i;
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nothing_ptr.iov_base = ¬hing;
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nothing_ptr.iov_len = 1;
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msghdr.msg_name = NULL;
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msghdr.msg_namelen = 0;
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msghdr.msg_iov = ¬hing_ptr;
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msghdr.msg_iovlen = 1;
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msghdr.msg_flags = 0;
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msghdr.msg_control = buffer;
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msghdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * n_fds;
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cmsg = CMSG_FIRSTHDR(&msghdr);
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cmsg->cmsg_len = msghdr.msg_controllen;
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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for(i = 0; i < n_fds; i++)
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((int *)CMSG_DATA(cmsg))[i] = fds[i];
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return(sendmsg(sock, &msghdr, 0) >= 0 ? 0 : -1);
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}
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int
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ancil_send_fd(int sock, int fd)
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{
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ANCIL_FD_BUFFER(1) buffer;
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return(ancil_send_fds_with_buffer(sock, &fd, 1, &buffer));
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}
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void
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set_timeout(int sock)
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{
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struct timeval tv;
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tv.tv_sec = 3;
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tv.tv_usec = 0;
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setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv, sizeof(struct timeval));
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setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv, sizeof(struct timeval));
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}
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#define ANCIL_FD_BUFFER(n) \
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struct { \
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struct cmsghdr h; \
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int fd[n]; \
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}
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int ancil_send_fds_with_buffer(int sock, const int *fds, unsigned n_fds,
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void *buffer) {
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struct msghdr msghdr;
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char nothing = '!';
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struct iovec nothing_ptr;
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struct cmsghdr *cmsg;
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int i;
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nothing_ptr.iov_base = ¬hing;
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nothing_ptr.iov_len = 1;
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msghdr.msg_name = NULL;
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msghdr.msg_namelen = 0;
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msghdr.msg_iov = ¬hing_ptr;
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msghdr.msg_iovlen = 1;
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msghdr.msg_flags = 0;
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msghdr.msg_control = buffer;
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msghdr.msg_controllen = sizeof(struct cmsghdr) + sizeof(int) * n_fds;
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cmsg = CMSG_FIRSTHDR(&msghdr);
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cmsg->cmsg_len = msghdr.msg_controllen;
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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for (i = 0; i < n_fds; i++)
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((int *)CMSG_DATA(cmsg))[i] = fds[i];
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return (sendmsg(sock, &msghdr, 0) >= 0 ? 0 : -1);
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}
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int ancil_send_fd(int sock, int fd) {
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ANCIL_FD_BUFFER(1) buffer;
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return (ancil_send_fds_with_buffer(sock, &fd, 1, &buffer));
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}
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void set_timeout(int sock) {
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struct timeval tv;
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tv.tv_sec = 3;
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tv.tv_usec = 0;
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setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *)&tv,
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sizeof(struct timeval));
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setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv,
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sizeof(struct timeval));
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}
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*/
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import "C"
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