sockets: more socket work

Signed-off-by: Andy-Python-Programmer <[email protected]>

Author: Andy-Python-Programmer

aero.py

@@ -524,7 +524,7 @@ def run_in_emulator(args, iso_path):
 
     qemu_args = ['-cdrom', iso_path,
                  '-M', 'q35',
-                 '-m', '6G',
+                 '-m', '9G',
                  '-smp', '5',
                  '-serial', 'stdio']
 

patches/mlibc/mlibc.patch

@@ -1,4 +1,4 @@
-From 796581911f51ff414a2fa03e53fd470a1f440329 Mon Sep 17 00:00:00 2001
+From 2167f1570f20a986de9b3c81636d78e4ef1cedb8 Mon Sep 17 00:00:00 2001
 From: Andy-Python-Programmer <[email protected]>
 Date: Fri, 8 Jul 2022 12:32:32 +1000
 Subject: [PATCH] yes
@@ -8,13 +8,12 @@ Signed-off-by: Andy-Python-Programmer <[email protected]>
  .gitignore                            |   2 +
  options/ansi/generic/stdlib-stubs.cpp | 142 +++++++++++++++++++++-----
  options/glibc/generic/execinfo.cpp    |   5 +-
- options/posix/generic/sys-uio.cpp     |   5 +
  options/rtdl/generic/linker.cpp       |   2 +-
  sysdeps/aero/generic/aero.cpp         |  38 +++----
  sysdeps/aero/generic/filesystem.cpp   |  25 ++++-
  sysdeps/aero/generic/sockets.cpp      |  77 +++++++++++++-
  sysdeps/aero/include/aero/syscall.h   |   4 +
- 9 files changed, 246 insertions(+), 54 deletions(-)
+ 8 files changed, 241 insertions(+), 54 deletions(-)
 
 diff --git a/.gitignore b/.gitignore
 index fdd60a00..9f811f47 100644
@@ -196,22 +195,6 @@ index 3474615e..10a2109e 100644
  }
 
  char **backtrace_symbols(void *const *, int) {
-diff --git a/options/posix/generic/sys-uio.cpp b/options/posix/generic/sys-uio.cpp
-index b1623525..a5f3e893 100644
---- a/options/posix/generic/sys-uio.cpp
-+++ b/options/posix/generic/sys-uio.cpp
-@@ -17,6 +17,11 @@ ssize_t readv(int, const struct iovec *, int) {
- }
- 
- ssize_t writev(int fd, const struct iovec *iovs, int iovc) {
-+	if (iovc == 0) {
-+		errno = EAGAIN;
-+		return -1;
-+	}
-+
- 	__ensure(iovc);
- 
- 	ssize_t written = 0;
 diff --git a/options/rtdl/generic/linker.cpp b/options/rtdl/generic/linker.cpp
 index 6716ef4f..e5ec8cff 100644
 --- a/options/rtdl/generic/linker.cpp

src/aero_kernel/src/fs/inode.rs

@@ -21,7 +21,7 @@ use core::sync::atomic::{AtomicUsize, Ordering};
 
 use aero_syscall::prelude::{EPollEventFlags, PollEventFlags};
 use aero_syscall::socket::MessageHeader;
-use aero_syscall::{MMapFlags, OpenFlags};
+use aero_syscall::{MMapFlags, OpenFlags, SyscallError};
 
 use alloc::sync::Arc;
 use alloc::sync::Weak;
@@ -224,11 +224,11 @@ pub trait INodeInterface: Send + Sync {
         Err(FileSystemError::NotSocket)
     }
 
-    fn listen(&self, _backlog: usize) -> Result<()> {
-        Err(FileSystemError::NotSocket)
+    fn listen(&self, _backlog: usize) -> ::core::result::Result<(), SyscallError> {
+        Err(SyscallError::ENOTSOCK)
     }
 
-    fn accept(&self, _address: &mut SocketAddr) -> Result<Arc<UnixSocket>> {
+    fn accept(&self, _address: Option<&mut SocketAddr>) -> Result<Arc<UnixSocket>> {
         Err(FileSystemError::NotSocket)
     }