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FileDescription: Disallow construction with a null File

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It's not valid for a FileDescription to not have a file, so let's
disallow it by taking a File& (or FIFO&) in the constructor.
This commit is contained in:
Andreas Kling
2019-08-11 09:32:21 +02:00
parent 0dc05a33c1
commit 752de9cd27
6 changed files with 18 additions and 19 deletions
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4
Kernel/Process.cpp
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@@ -2169,7 +2169,7 @@ int Process::sys$accept(int accepting_socket_fd, sockaddr* address, socklen_t* a
ASSERT(accepted_socket);
bool success = accepted_socket->get_peer_address(address, address_size);
ASSERT(success);
auto accepted_socket_description = FileDescription::create(move(accepted_socket), SocketRole::Accepted);
auto accepted_socket_description = FileDescription::create(*accepted_socket, SocketRole::Accepted);
// NOTE: The accepted socket inherits fd flags from the accepting socket.
// I'm not sure if this matches other systems but it makes sense to me.
accepted_socket_description->set_blocking(accepting_socket_description->is_blocking());
@@ -2652,7 +2652,7 @@ int Process::sys$shm_open(const char* name, int flags, mode_t mode)
auto shm_or_error = SharedMemory::open(String(name), flags, mode);
if (shm_or_error.is_error())
return shm_or_error.error();
auto description = FileDescription::create(shm_or_error.value().ptr());
auto description = FileDescription::create(shm_or_error.value());
m_fds[fd].set(move(description), FD_CLOEXEC);
return fd;
}