static struct fstab *
getfs(const char *spec, const char *file, int source)
{
struct fstab *res = NULL;
struct lu_thread_info *tdata;
tdata = _lu_data_create_key(_lu_data_key_fstab, free_lu_thread_info_fstab);
if (tdata == NULL)
{
tdata = (struct lu_thread_info *)calloc(1, sizeof(struct lu_thread_info));
_lu_data_set_key(_lu_data_key_fstab, tdata);
}
if (_lu_running())
{
switch (source)
{
case FS_GET_SPEC:
res = lu_getfsspec(spec);
break;
case FS_GET_FILE:
res = lu_getfsfile(file);
break;
case FS_GET_ENT:
res = lu_getfsent();
break;
default: res = NULL;
}
}
else
{
pthread_mutex_lock(&_fstab_lock);
switch (source)
{
case FS_GET_SPEC:
res = copy_fstab(_old_getfsspec(spec));
break;
case FS_GET_FILE:
res = copy_fstab(_old_getfsfile(file));
break;
case FS_GET_ENT:
res = copy_fstab(_old_getfsent());
break;
default: res = NULL;
}
pthread_mutex_unlock(&_fstab_lock);
}
recycle_fstab(tdata, res);
return (struct fstab *)tdata->lu_entry;
}
gint32
Mono_Posix_Syscall_getfsent (struct Mono_Posix_Syscall__Fstab *fsbuf)
{
mph_fstab *fs;
if (fsbuf == NULL) {
errno = EFAULT;
return -1;
}
fs = getfsent ();
if (fs == NULL)
return -1;
if (copy_fstab (fsbuf, fs) == -1) {
errno = ENOMEM;
return -1;
}
return 0;
}
gint32
Mono_Posix_Syscall_getfsspec (const char *special_file,
struct Mono_Posix_Syscall__Fstab *fsbuf)
{
mph_fstab *fs;
if (fsbuf == NULL) {
errno = EFAULT;
return -1;
}
fs = getfsspec (special_file);
if (fs == NULL)
return -1;
if (copy_fstab (fsbuf, fs) == -1) {
errno = ENOMEM;
return -1;
}
return 0;
}
gint32
Mono_Posix_Syscall_getfsfile (const char *mount_point,
struct Mono_Posix_Syscall__Fstab *fsbuf)
{
mph_fstab *fs;
if (fsbuf == NULL) {
errno = EFAULT;
return -1;
}
fs = getfsfile (mount_point);
if (fs == NULL)
return -1;
if (copy_fstab (fsbuf, fs) == -1) {
errno = ENOMEM;
return -1;
}
return 0;
}
