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Make ErrnoException.errno nothrow pure @nogc @safe

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In addition make the ctors (which were @trusted) and tests @safe, but
that is not an API change, so it is not in the changelog.
This commit is contained in:
Chloé Kekoa 2019-06-10 20:59:28 +02:00 • committed by Chloé
parent fdbcaedae1
commit 3d4bc84fc4
2 changed files with 10 additions and 5 deletions
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4
changelog/errnoexception-errno-attributes.dd Normal file
View file

@ -0,0 +1,4 @@
ErrnoException.errno is now nothrow pure @nogc @safe
Before, it was just @system. As it turns out, all it does is return the value
of an integer field, so it can have all these attributes.

11
std/exception.d
View file

@ -1610,16 +1610,17 @@ package string errnoString(int errno) nothrow @trusted
*/ */
class ErrnoException : Exception class ErrnoException : Exception
{ {
final @property uint errno() { return _errno; } /// Operating system error code. /// Operating system error code.
final @property uint errno() nothrow pure @nogc @safe { return _errno; }
private uint _errno; private uint _errno;
/// Constructor which takes an error message. The current global $(REF errno, core,stdc,errno) value is used as error code. /// Constructor which takes an error message. The current global $(REF errno, core,stdc,errno) value is used as error code.
this(string msg, string file = null, size_t line = 0) @trusted this(string msg, string file = null, size_t line = 0) @safe
{ {
import core.stdc.errno : errno; import core.stdc.errno : errno;
this(msg, errno, file, line); this(msg, errno, file, line);
} }
/// Constructor which takes an error message and error code. /// Constructor which takes an error message and error code.
this(string msg, int errno, string file = null, size_t line = 0) @trusted this(string msg, int errno, string file = null, size_t line = 0) @safe
{ {
_errno = errno; _errno = errno;
super(msg ~ " (" ~ errnoString(errno) ~ ")", file, line); super(msg ~ " (" ~ errnoString(errno) ~ ")", file, line);
@ -1627,7 +1628,7 @@ class ErrnoException : Exception
} }
/// ///
@system unittest @safe unittest
{ {
import core.stdc.errno : EAGAIN; import core.stdc.errno : EAGAIN;
auto ex = new ErrnoException("oh no", EAGAIN); auto ex = new ErrnoException("oh no", EAGAIN);
@ -1635,7 +1636,7 @@ class ErrnoException : Exception
} }
/// errno is used by default if no explicit error code is provided /// errno is used by default if no explicit error code is provided
@system unittest @safe unittest
{ {
import core.stdc.errno : errno, EAGAIN; import core.stdc.errno : errno, EAGAIN;