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net/UniqueSocketDescriptor: add noexcept

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This commit is contained in:
Max Kellermann
2020-10-07 10:14:18 +02:00
committed by Max Kellermann
parent 257196664a
commit 95bb12880d
1 changed files with 14 additions and 13 deletions
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27
src/net/UniqueSocketDescriptor.hxx
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@@ -42,19 +42,20 @@ class StaticSocketAddress;
*/
class UniqueSocketDescriptor : public SocketDescriptor {
public:
UniqueSocketDescriptor()
UniqueSocketDescriptor() noexcept
:SocketDescriptor(SocketDescriptor::Undefined()) {}
explicit UniqueSocketDescriptor(SocketDescriptor _fd)
explicit UniqueSocketDescriptor(SocketDescriptor _fd) noexcept
:SocketDescriptor(_fd) {}
explicit UniqueSocketDescriptor(FileDescriptor _fd)
explicit UniqueSocketDescriptor(FileDescriptor _fd) noexcept
:SocketDescriptor(_fd) {}
explicit UniqueSocketDescriptor(int _fd) noexcept
:SocketDescriptor(_fd) {}
explicit UniqueSocketDescriptor(int _fd):SocketDescriptor(_fd) {}
UniqueSocketDescriptor(UniqueSocketDescriptor &&other)
UniqueSocketDescriptor(UniqueSocketDescriptor &&other) noexcept
:SocketDescriptor(std::exchange(other.fd, -1)) {}
~UniqueSocketDescriptor() {
~UniqueSocketDescriptor() noexcept {
if (IsDefined())
Close();
}
@@ -63,38 +64,38 @@ public:
* Release ownership and return the descriptor as an unmanaged
* #SocketDescriptor instance.
*/
SocketDescriptor Release() {
SocketDescriptor Release() noexcept {
return std::exchange(*(SocketDescriptor *)this, Undefined());
}
UniqueSocketDescriptor &operator=(UniqueSocketDescriptor &&src) {
UniqueSocketDescriptor &operator=(UniqueSocketDescriptor &&src) noexcept {
using std::swap;
swap(fd, src.fd);
return *this;
}
bool operator==(const UniqueSocketDescriptor &other) const {
bool operator==(const UniqueSocketDescriptor &other) const noexcept {
return fd == other.fd;
}
/**
* @return an "undefined" instance on error
*/
UniqueSocketDescriptor AcceptNonBlock() const {
UniqueSocketDescriptor AcceptNonBlock() const noexcept {
return UniqueSocketDescriptor(SocketDescriptor::AcceptNonBlock());
}
/**
* @return an "undefined" instance on error
*/
UniqueSocketDescriptor AcceptNonBlock(StaticSocketAddress &address) const {
UniqueSocketDescriptor AcceptNonBlock(StaticSocketAddress &address) const noexcept {
return UniqueSocketDescriptor(SocketDescriptor::AcceptNonBlock(address));
}
#ifndef _WIN32
static bool CreateSocketPair(int domain, int type, int protocol,
UniqueSocketDescriptor &a,
UniqueSocketDescriptor &b) {
UniqueSocketDescriptor &b) noexcept {
return SocketDescriptor::CreateSocketPair(domain, type,
protocol,
a, b);
@@ -102,7 +103,7 @@ public:
static bool CreateSocketPairNonBlock(int domain, int type, int protocol,
UniqueSocketDescriptor &a,
UniqueSocketDescriptor &b) {
UniqueSocketDescriptor &b) noexcept {
return SocketDescriptor::CreateSocketPairNonBlock(domain, type,
protocol,
a, b);