int fcntl(int fd, int cmd, long arg)
{
if (smbw_fd(fd)) {
return smbw_fcntl(fd, cmd, arg);
}
return real_fcntl(fd, cmd, arg);
}
int fcntl(int fd, int cmd, long extra)
{
wlog("fcntl(%d, %d, %ld)", fd, cmd, extra);
// Track close-on-exec flag
if (cmd == F_SETFD)
fd_map_set_cloexec(fd, extra & 1);
return real_fcntl(fd, cmd, extra);
}
__attribute__ ((visibility("default"))) int
fcntl(int fd, int cmd, ...)
{
va_list ap;
void *arg;
wrapped_calls_fcntl++;
if (fall_back && (cmd == F_DUPFD_CLOEXEC)) {
errno = EINVAL;
return -1;
}
va_start(ap, cmd);
arg = va_arg(ap, void*);
va_end(ap);
return real_fcntl(fd, cmd, arg);
}
/*
* 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;
long long flag = 0;
void *ptr = 0;
off_t off = 0;
va_start(ap, cmd);
flag = va_arg(ap, long long);
va_end(ap);
rc = real_fcntl(fd, cmd, flag);
switch (cmd) {
case F_DUPFD:
#ifdef F_DUPFD_CLOEXEC
/* it doesn't exist now, but if I take this out they'll add it
* just to mess with me.
*/
case F_DUPFD_CLOEXEC:
#endif
/* actually do something */
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);
}
