#include <linux/module.h>
#include <linux/security.h>
#include <linux/ptrace.h>
+#include <linux/vs_limit.h>
#include <asm/poll.h>
#include <asm/siginfo.h>
error = -EMFILE;
if (newfd >= current->rlim[RLIMIT_NOFILE].rlim_cur)
goto out;
+ if (!vx_files_avail(1))
+ goto out;
error = expand_files(files, newfd);
if (error < 0)
return error;
}
-static int dupfd(struct file *file, unsigned int start)
+int dupfd(struct file *file, unsigned int start)
{
struct files_struct * files = current->files;
int fd;
FD_SET(fd, files->open_fds);
FD_CLR(fd, files->close_on_exec);
spin_unlock(&files->file_lock);
+ // vx_openfd_inc(fd);
fd_install(fd, file);
} else {
spin_unlock(&files->file_lock);
return fd;
}
+EXPORT_SYMBOL_GPL(dupfd);
+
asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd)
{
int err = -EBADF;
FD_SET(newfd, files->open_fds);
FD_CLR(newfd, files->close_on_exec);
spin_unlock(&files->file_lock);
+ // vx_openfd_inc(newfd);
if (tofree)
filp_close(tofree, files);