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GEventLoop: Make the WindowServer connection use a blocking socket.

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This commit is contained in:
Andreas Kling 2019-05-20 03:47:50 +02:00
parent b3a1671f1a
commit dc03b50f41
1 changed files with 3 additions and 9 deletions
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12
LibGUI/GEventLoop.cpp
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@ -31,7 +31,7 @@ pid_t GEventLoop::s_server_pid = -1;
void GEventLoop::connect_to_server() void GEventLoop::connect_to_server()
{ {
ASSERT(s_windowserver_fd == -1); ASSERT(s_windowserver_fd == -1);
s_windowserver_fd = socket(AF_LOCAL, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0); s_windowserver_fd = socket(AF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (s_windowserver_fd < 0) { if (s_windowserver_fd < 0) {
perror("socket"); perror("socket");
ASSERT_NOT_REACHED(); ASSERT_NOT_REACHED();
@ -326,7 +326,7 @@ bool GEventLoop::drain_messages_from_server()
{ {
for (;;) { for (;;) {
WSAPI_ServerMessage message; WSAPI_ServerMessage message;
ssize_t nread = read(s_windowserver_fd, &message, sizeof(WSAPI_ServerMessage)); ssize_t nread = recv(s_windowserver_fd, &message, sizeof(WSAPI_ServerMessage), MSG_DONTWAIT);
if (nread < 0) { if (nread < 0) {
if (errno == EAGAIN) { if (errno == EAGAIN) {
return true; return true;
@ -341,16 +341,10 @@ bool GEventLoop::drain_messages_from_server()
exit(-1); exit(-1);
return false; return false;
} }
assert(nread == sizeof(message)); ASSERT(nread == sizeof(message));
ByteBuffer extra_data; ByteBuffer extra_data;
if (message.extra_size) { if (message.extra_size) {
extra_data = ByteBuffer::create_uninitialized(message.extra_size); extra_data = ByteBuffer::create_uninitialized(message.extra_size);
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(s_windowserver_fd, &rfds);
struct timeval timeout { 1, 0 };
int rc = select(s_windowserver_fd + 1, &rfds, nullptr, nullptr, &timeout);
ASSERT(rc == 1);
int extra_nread = read(s_windowserver_fd, extra_data.data(), extra_data.size()); int extra_nread = read(s_windowserver_fd, extra_data.data(), extra_data.size());
ASSERT(extra_nread == message.extra_size); ASSERT(extra_nread == message.extra_size);
} }