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Kernel: Make all syscall functions return KResultOr<T>

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This makes it a lot easier to return errors since we no longer have to
worry about negating EFOO errors and can just return them flat.
This commit is contained in:
Andreas Kling 2021-03-01 13:49:16 +01:00
parent 9af1e1a3bf
commit ac71775de5
70 changed files with 747 additions and 742 deletions
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20
Kernel/Syscalls/sendfd.cpp
View file

@ -30,39 +30,39 @@
namespace Kernel {
int Process::sys$sendfd(int sockfd, int fd)
KResultOr<int> Process::sys$sendfd(int sockfd, int fd)
{
REQUIRE_PROMISE(sendfd);
auto socket_description = file_description(sockfd);
if (!socket_description)
return -EBADF;
return EBADF;
if (!socket_description->is_socket())
return -ENOTSOCK;
return ENOTSOCK;
auto& socket = *socket_description->socket();
if (!socket.is_local())
return -EAFNOSUPPORT;
return EAFNOSUPPORT;
if (!socket.is_connected())
return -ENOTCONN;
return ENOTCONN;
auto passing_descriptor = file_description(fd);
if (!passing_descriptor)
return -EBADF;
return EBADF;
auto& local_socket = static_cast<LocalSocket&>(socket);
return local_socket.sendfd(*socket_description, *passing_descriptor);
}
int Process::sys$recvfd(int sockfd, int options)
KResultOr<int> Process::sys$recvfd(int sockfd, int options)
{
REQUIRE_PROMISE(recvfd);
auto socket_description = file_description(sockfd);
if (!socket_description)
return -EBADF;
return EBADF;
if (!socket_description->is_socket())
return -ENOTSOCK;
return ENOTSOCK;
auto& socket = *socket_description->socket();
if (!socket.is_local())
return -EAFNOSUPPORT;
return EAFNOSUPPORT;
int new_fd = alloc_fd();
if (new_fd < 0)