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/*
* Copyright (c) 2011 Wind River Systems; see
* guts/COPYRIGHT for information.
*
* int fcntl(int fd, int cmd, ... { struct flock *lock })
* int rc = -1;
*/
int save_errno;
struct kludge { off_t unknown[6]; } x;
va_start(ap, cmd);
x = va_arg(ap, struct kludge);
va_end(ap);
rc = real_fcntl(fd, cmd, x);
switch (cmd) {
case F_DUPFD:
#ifdef F_DUPFD_CLOEXEC
case F_DUPFD_CLOEXEC:
#endif
/* actually do something */
rc = real_fcntl(fd, cmd, x);
save_errno = errno;
if (rc != -1) {
pseudo_debug(2, "fcntl_dup: %d->%d\n", fd, rc);
pseudo_client_op(OP_DUP, 0, fd, rc, 0, 0);
}
errno = save_errno;
break;
default:
/* pretty sure this is safe on x86. */
rc = real_fcntl(fd, cmd, x);
break;
}
/* return rc;
* }
*/
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