Class permissions

boost::interprocess::permissions

Synopsis

// In header: <boost/interprocess/permissions.hpp>


class permissions {
public:
  // construct/copy/destruct
  permissions(os_permissions_type);
  permissions();

  // public member functions
  void set_default();
  void set_unrestricted();
  void set_permissions(os_permissions_type);
  os_permissions_type get_permissions() const;
};

Description

The permissions class represents permissions to be set to shared memory or files, that can be constructed form usual permission representations: a SECURITY_ATTRIBUTES pointer in windows or ORed rwx chmod integer in UNIX.

`permissions` public construct/copy/destruct

```
permissions(os_permissions_type type);
```
Constructs a permissions object from a user provided os-dependent permissions.
```
permissions();
```
Constructs a default permissions object: A null security attributes pointer for windows or 0644 for UNIX.

`permissions` public member functions

```
void set_default();
```
Sets permissions to default values: A null security attributes pointer for windows or 0644 for UNIX.
```
void set_unrestricted();
```
Sets permissions to unrestricted access: A null DACL for windows or 0666 for UNIX.
```
void set_permissions(os_permissions_type perm);
```
Sets permissions from a user provided os-dependent permissions.

os_permissions_type get_permissions() const;

Returns stored os-dependent permissions

Class permissions

Synopsis

Description

permissions public construct/copy/destruct

permissions public member functions

`permissions` public construct/copy/destruct

`permissions` public member functions