int
libcfs_socketpair(cfs_socket_t **sockp)
{
int rc, i, fdp[2];
LIBCFS_ALLOC(sockp[0], sizeof(cfs_socket_t));
if (sockp[0] == NULL) {
CERROR ("Can't alloc memory for cfs_socket_t (1)\n");
return -ENOMEM;
}
LIBCFS_ALLOC(sockp[1], sizeof(cfs_socket_t));
if (sockp[1] == NULL) {
CERROR ("Can't alloc memory for cfs_socket_t (2)\n");
LIBCFS_FREE(sockp[0], sizeof(cfs_socket_t));
return -ENOMEM;
}
rc = socketpair(AF_UNIX, SOCK_STREAM, 0, fdp);
if (rc != 0) {
rc = -errno;
CERROR ("Cannot create socket pair\n");
LIBCFS_FREE(sockp[0], sizeof(cfs_socket_t));
LIBCFS_FREE(sockp[1], sizeof(cfs_socket_t));
return rc;
}
sockp[0]->s_fd = fdp[0];
sockp[1]->s_fd = fdp[1];
for (i = 0; i < 2; i++) {
rc = libcfs_fcntl_nonblock(sockp[i]);
if (rc) {
libcfs_sock_release(sockp[0]);
libcfs_sock_release(sockp[1]);
return rc;
}
}
return 0;
}
int
libcfs_socketpair(int *fdp)
{
int rc, i;
rc = socketpair(AF_UNIX, SOCK_STREAM, 0, fdp);
if (rc != 0) {
rc = -errno;
CERROR ("Cannot create socket pair: %s\n", strerror(errno));
return rc;
}
for (i = 0; i < 2; i++) {
rc = libcfs_fcntl_nonblock(fdp[i]);
if (rc) {
close(fdp[0]);
close(fdp[1]);
return rc;
}
}
return 0;
}