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* fcntl.cc (_fcntl): Rearrange as wrapper function. Move all

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functionality except F_DUPFD to fhandler classes.
        * fhandler.cc (fhandler_base::fcntl): New method.
        * net.cc (fhandler_socket::fcntl): Ditto.
        * fhandler.h (class fhandler_base): Add method prototype for fcntl().
        (class fhandler_socket): Ditto.
This commit is contained in:
Corinna Vinschen
2000-10-23 20:16:52 +00:00
parent f80cdaeecb
commit 1eb14bae8c
5 changed files with 92 additions and 73 deletions
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83
winsup/cygwin/fcntl.cc
View File

@ -22,10 +22,9 @@ extern "C"
int
_fcntl (int fd, int cmd,...)
{
void *arg = NULL;
va_list args;
int arg = 0;
int res;
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK, "_fcntl");
if (fdtab.not_open (fd))
{
@ -34,77 +33,17 @@ _fcntl (int fd, int cmd,...)
goto done;
}
switch (cmd)
{
case F_DUPFD:
va_start (args, cmd);
arg = va_arg (args,int);
va_end (args);
res = dup2 (fd, fdtab.find_unused_handle (arg));
goto done;
case F_GETFD:
res = fdtab[fd]->get_close_on_exec () ? FD_CLOEXEC : 0;
goto done;
case F_SETFD:
va_start (args, cmd);
arg = va_arg (args, int);
va_end (args);
fdtab[fd]->set_close_on_exec (arg);
res = 0;
goto done;
case F_GETFL:
{
res = fdtab[fd]->get_flags ();
goto done;
}
case F_SETFL:
{
int temp = 0;
va_start (args, cmd);
arg = va_arg (args, int);
va_end (args);
if (arg & O_RDONLY)
temp |= GENERIC_READ;
if (arg & O_WRONLY)
temp |= GENERIC_WRITE;
syscall_printf ("fcntl (%d, F_SETFL, %d)", arg);
fdtab[fd]->set_access (temp);
fdtab[fd]->set_flags (arg);
res = 0;
goto done;
}
case F_GETLK:
case F_SETLK:
case F_SETLKW:
{
struct flock *fl;
va_start (args, cmd);
fl = va_arg (args,struct flock *);
va_end (args);
res = fdtab[fd]->lock (cmd, fl);
goto done;
}
default:
set_errno (EINVAL);
res = -1;
goto done;
}
set_errno (ENOSYS);
res = -1;
done:
SetResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK, "_fcntl");
va_start (args, cmd);
arg = va_arg (args, void *);
if (cmd == F_DUPFD)
res = dup2 (fd, fdtab.find_unused_handle ((int) arg));
else
res = fdtab[fd]->fcntl(cmd, arg);
va_end (args);
ReleaseResourceLock(LOCK_FD_LIST,WRITE_LOCK|READ_LOCK,"_fcntl");
syscall_printf ("%d = fcntl (%d, %d, %d)", res, fd, cmd, arg);
done:
syscall_printf ("%d = fcntl (%d, %d, %p)", res, fd, cmd, arg);
return res;
}