int close(int fd)
{
int ret;
struct fdtab_entry *e = fdtab_get(fd);
if (e->type == FDTAB_TYPE_AVAILABLE) {
return -1;
}
if (e->type == FDTAB_TYPE_LWIP_SOCKET) {
if(e->inherited) {
// Perform shallow close on lwip so that it will not terminate
// the TCP session
printf("close: Inherited socket, not closing completely\n");
ret = 0;
} else {
ret = lwip_close(e->fd);
if(ret < 0) {
POSIXCOMPAT_DEBUG("[%d]error in lwip_close\n",
disp_get_domain_id());
return -1;
}
}
fdtab_free(fd);
} else {
ret = vfsfd_close(fd);
}
return ret;
}
int close(int fd)
{
int ret;
struct fdtab_entry *e = fdtab_get(fd);
if (e->type == FDTAB_TYPE_AVAILABLE) {
return -1;
}
// Might need to remove from epoll list
if(e->epoll_fd != -1) {
ret = epoll_ctl(e->epoll_fd, EPOLL_CTL_DEL, fd, NULL);
assert(ret == 0);
}
switch(e->type) {
case FDTAB_TYPE_LWIP_SOCKET:
if (e->inherited) {
// Perform shallow close on lwip so that it will not terminate
// the TCP session
printf("close: Inherited socket, not closing completely\n");
ret = 0;
} else {
ret = lwip_close(e->fd);
if(ret < 0) {
POSIXCOMPAT_DEBUG("[%d]error in lwip_close\n",
disp_get_domain_id());
return -1;
}
}
fdtab_free(fd);
break;
case FDTAB_TYPE_PTM:
ret = ptm_close(fd);
break;
case FDTAB_TYPE_PTS:
ret = pts_close(fd);
break;
default:
ret = vfsfd_close(fd);
}
return ret;
}
