return sys_ftruncate(fd, (high << 32) | low);
}
-/* readdir & getdents */
-
-#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
-#define ROUND_UP(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
-
-struct old_linux_dirent32 {
- u32 d_ino;
- u32 d_offset;
- unsigned short d_namlen;
- char d_name[1];
-};
-
-struct readdir_callback32 {
- struct old_linux_dirent32 __user * dirent;
- int count;
-};
-
-static int fillonedir(void * __buf, const char * name, int namlen,
- loff_t offset, ino_t ino, unsigned int d_type)
-{
- struct readdir_callback32 * buf = (struct readdir_callback32 *) __buf;
- struct old_linux_dirent32 __user * dirent;
-
- if (buf->count)
- return -EINVAL;
- buf->count++;
- dirent = buf->dirent;
- put_user(ino, &dirent->d_ino);
- put_user(offset, &dirent->d_offset);
- put_user(namlen, &dirent->d_namlen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- return 0;
-}
-
-asmlinkage long old32_readdir(unsigned int fd, struct old_linux_dirent32 __user *dirent, unsigned int count)
-{
- int error = -EBADF;
- struct file * file;
- struct readdir_callback32 buf;
-
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.count = 0;
- buf.dirent = dirent;
-
- error = vfs_readdir(file, fillonedir, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.count;
-
-out_putf:
- fput(file);
-out:
- return error;
-}
-
-struct linux_dirent32 {
- u32 d_ino;
- u32 d_off;
- unsigned short d_reclen;
- char d_name[1];
-};
-
-struct getdents_callback32 {
- struct linux_dirent32 __user *current_dir;
- struct linux_dirent32 __user *previous;
- int count;
- int error;
-};
-
-static int filldir(void * __buf, const char * name, int namlen, loff_t offset, ino_t ino,
- unsigned int d_type)
-{
- struct linux_dirent32 __user * dirent;
- struct getdents_callback32 * buf = (struct getdents_callback32 *) __buf;
- int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 2);
-
- buf->error = -EINVAL; /* only used if we fail.. */
- if (reclen > buf->count)
- return -EINVAL;
- dirent = buf->previous;
- if (dirent)
- put_user(offset, &dirent->d_off);
- dirent = buf->current_dir;
- buf->previous = dirent;
- put_user(ino, &dirent->d_ino);
- put_user(reclen, &dirent->d_reclen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- put_user(d_type, (char __user *) dirent + reclen - 1);
- dirent = (void __user *) dirent + reclen;
- buf->current_dir = dirent;
- buf->count -= reclen;
- return 0;
-}
-
-asmlinkage long sys32_getdents(unsigned int fd, struct linux_dirent32 __user *dirent, unsigned int count)
-{
- struct file * file;
- struct linux_dirent32 __user *lastdirent;
- struct getdents_callback32 buf;
- int error = -EBADF;
-
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.current_dir = dirent;
- buf.previous = NULL;
- buf.count = count;
- buf.error = 0;
-
- error = vfs_readdir(file, filldir, &buf);
- if (error < 0)
- goto out_putf;
- lastdirent = buf.previous;
- error = buf.error;
- if (lastdirent) {
- put_user(file->f_pos, &lastdirent->d_off);
- error = count - buf.count;
- }
-out_putf:
- fput(file);
-out:
- return error;
-}
-
-/* end of readdir & getdents */
-
int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
{
int err;
}
asmlinkage long sys32_rt_sigtimedwait(compat_sigset_t __user *uthese,
- siginfo_t32 __user *uinfo,
+ struct siginfo32 __user *uinfo,
struct compat_timespec __user *uts,
compat_size_t sigsetsize)
{
}
asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig,
- siginfo_t32 __user *uinfo)
+ struct siginfo32 __user *uinfo)
{
siginfo_t info;
int ret;
mm_segment_t old_fs = get_fs();
- if (copy_from_user (&info, uinfo, 3*sizeof(int)) ||
- copy_from_user (info._sifields._pad, uinfo->_sifields._pad, SI_PAD_SIZE))
+ if (copy_siginfo_to_kernel32(&info, uinfo))
return -EFAULT;
+
set_fs (KERNEL_DS);
ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info);
set_fs (old_fs);
u32 u_handler, u_restorer;
ret = get_user(u_handler, &act->sa_handler);
- new_ka.sa.sa_handler = (void *) (long) u_handler;
+ new_ka.sa.sa_handler = compat_ptr(u_handler);
ret |= __get_user(u_restorer, &act->sa_restorer);
- new_ka.sa.sa_restorer = (void *) (long) u_restorer;
+ new_ka.sa.sa_restorer = compat_ptr(u_restorer);
ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
ret |= __get_user(mask, &act->sa_mask);
if (ret)
new_ka.ka_restorer = restorer;
ret = get_user(u_handler, &act->sa_handler);
- new_ka.sa.sa_handler = (void *) (long) u_handler;
+ new_ka.sa.sa_handler = compat_ptr(u_handler);
ret |= __copy_from_user(&set32, &act->sa_mask, sizeof(compat_sigset_t));
switch (_NSIG_WORDS) {
case 4: new_ka.sa.sa_mask.sig[3] = set32.sig[6] | (((long)set32.sig[7]) << 32);
}
ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
ret |= __get_user(u_restorer, &act->sa_restorer);
- new_ka.sa.sa_restorer = (void *) (long) u_restorer;
+ new_ka.sa.sa_restorer = compat_ptr(u_restorer);
if (ret)
return -EFAULT;
}
return err;
}
+asmlinkage long compat_sys_waitid(u32 which, u32 pid,
+ struct siginfo32 __user *uinfo, u32 options,
+ struct compat_rusage __user *uru)
+{
+ siginfo_t info;
+ struct rusage ru;
+ long ret;
+ mm_segment_t old_fs = get_fs();
+
+ memset(&info, 0, sizeof(info));
+
+ set_fs (KERNEL_DS);
+ ret = sys_waitid(which, pid, (siginfo_t __user *) &info,
+ options,
+ uru ? (struct rusage __user *) &ru : NULL);
+ set_fs (old_fs);
+
+ if (ret < 0 || info.si_signo == 0)
+ return ret;
+
+ if (uru) {
+ ret = put_compat_rusage(&ru, uru);
+ if (ret)
+ return ret;
+ }
+
+ BUG_ON(info.si_code & __SI_MASK);
+ info.si_code |= __SI_CHLD;
+ return copy_siginfo_to_user32(uinfo, &info);
+}
git://git.onelab.eu / linux-2.6.git / blobdiff