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vfs/lwip: signal ENOTCONN via EOF on remote file

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Issue #3766
This commit is contained in:
Christian Helmuth 2020-07-30 09:16:37 +02:00 committed by Norman Feske
parent a03a37b1d9
commit 7996fc45f3
2 changed files with 7 additions and 5 deletions
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1
repos/libports/src/lib/libc/socket_fs_plugin.cc
View File

@ -458,6 +458,7 @@ static int read_sockaddr_in(Socket_fs::Sockaddr_functor &func,
int const n = read(func.fd(), addr_string.base(), addr_string.capacity() - 1);
if (n == -1) return Errno(errno);
/* 0 return value means "no packet resp. not connected" */
if (!n)
switch (func.context.proto()) {
case Socket_fs::Context::Proto::UDP: return Errno(EAGAIN);

11
repos/libports/src/lib/vfs/lwip/vfs.cc
View File

@ -988,9 +988,9 @@ class Lwip::Udp_socket_dir final :
char const *src, file_size count,
file_size &out_count) override
{
Genode::Mutex::Guard g { Lwip::mutex() };
Genode::Mutex::Guard guard { Lwip::mutex() };
switch(handle.kind) {
switch (handle.kind) {
case Lwip_file_handle::DATA: {
if (ip_addr_isany(&_to_addr)) break;
@ -1300,7 +1300,7 @@ class Lwip::Tcp_socket_dir final :
{
Genode::Mutex::Guard g { Lwip::mutex() };
switch(handle.kind) {
switch (handle.kind) {
case Lwip_file_handle::DATA:
{
@ -1363,7 +1363,8 @@ class Lwip::Tcp_socket_dir final :
out_count = Genode::snprintf(dst, count, "%s:%d\n",
ip_str, _pcb->remote_port);
return Read_result::READ_OK;
} else if (state == CLOSED) {
} else {
out_count = 0;
return Read_result::READ_OK;
}
break;
@ -1457,7 +1458,7 @@ class Lwip::Tcp_socket_dir final :
return Write_result::WRITE_ERR_IO;
}
switch(handle.kind) {
switch (handle.kind) {
case Lwip_file_handle::DATA:
if (state == READY) {
Write_result res = Write_result::WRITE_ERR_WOULD_BLOCK;