pussuw commented on code in PR #16361:
URL: https://github.com/apache/nuttx/pull/16361#discussion_r2097200315
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fs/vfs/fs_dup.c:
##########
@@ -65,29 +65,32 @@ int file_dup(FAR struct file *filep, int minfd, int flags)
uint8_t f_tag_fdcheck; /* File owner fdcheck tag, init to 0 */
#endif
- fd2 = file_allocate(g_root_inode, 0, 0, NULL, minfd, true);
+ /* Pass the close on exec flag to file_allocate */
+
+ fd2 = file_allocate(g_root_inode, flags, 0, NULL, minfd, true);
if (fd2 < 0)
{
return fd2;
}
ret = fs_getfilep(fd2, &filep2);
#ifdef CONFIG_FDSAN
- f_tag_fdsan = filep2->f_tag_fdsan;
+ f_tag_fdsan = nx_fcntl(fd2, NX_GETTAG_FDSAN, 0);
Review Comment:
I ended up removing the code, because I think it's just dead code.
I'm not sure if fdsan/fdcheck work as before with this new file descriptor
system, because I don't know what they're supposed to do and there is no
documentation or git / commit log history that would tell me. Can someone
explain shortly what they are ?
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