Moderators: hgm, Rebel, chrisw
Yes it does. Here's my code from DiscoCheck 3.7.1 (POSIX and Windows)stevenaaus wrote:Jim is right. Moreover, i spent hours looking for win32 polling code on the web, and it doesn't seem to exist
Code: Select all
#if defined(_WIN32) || defined(_WIN64)
#include <windows.h>
#include <conio.h>
#else // assume POSIX
#include <errno.h>
#include <unistd.h>
#include <sys/time.h>
#endif
...
bool input_available()
{
#if defined(_WIN32) || defined(_WIN64)
static bool init = false, is_pipe;
static HANDLE stdin_h;
DWORD val;
if (!init) {
init = true;
stdin_h = GetStdHandle(STD_INPUT_HANDLE);
is_pipe = !GetConsoleMode(stdin_h, &val);
}
if (stdin->_cnt > 0)
return true;
if (is_pipe)
return !PeekNamedPipe(stdin_h, NULL, 0, NULL, &val, NULL) ? true : val>0;
else
return _kbhit();
#else // assume POSIX
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(STDIN_FILENO, &readfds);
struct timeval timeout;
timeout.tv_sec = timeout.tv_usec = 0;
select(STDIN_FILENO+1, &readfds, 0, 0, &timeout);
return FD_ISSET(STDIN_FILENO, &readfds);
#endif
}
Code: Select all
--- evaluate.c 2012-08-30 18:05:44.000000000 +1000
+++ evaluate.c.lucas 2012-08-30 18:05:39.000000000 +1000
@@ -305,9 +305,6 @@
/* If we're running under XBoard then we can't use _kbhit() as the input commands
* are sent to us directly over the internal pipe */
if (Flag.xboard) {
-#if defined(FILE_CNT)
- if (stdin->_cnt > 0) return stdin->_cnt;
-#endif
if (!init) {
init = 1;
inh = GetStdHandle(STD_INPUT_HANDLE);
@@ -317,13 +314,17 @@
FlushConsoleInputBuffer(inh);
}
}
+
+ if (stdin->_cnt > 0) return stdin->_cnt;
+
if (pipe) {
if (!PeekNamedPipe(inh, NULL, 0, NULL, &dw, NULL)) return 1;
return dw;
}
else {
- GetNumberOfConsoleInputEvents(inh, &dw);
- return dw <= 1 ? 0 : dw;
+ return _kbhit();
+ // GetNumberOfConsoleInputEvents(inh, &dw);
+ // return dw <= 1 ? 0 : dw;
}
}
else return _kbhit();Code: Select all
These four commands don't reset the analysis under windows, though they are fine under Linux
Engine: 8 -1 91 384451 Pf5xe4 Pd2-d4 Ng8-f6
Engine: 9 1 233 919440 Pf5xe4 Pd2-d3 Ng8-f6 Pd3xe4 Pe7-e6 Bc1-g5 Ph7-h6 Bg5xf6 Qd8xf6 Nb1-c3 Bf8-a3
Engine: 9 1 350 1357705 Pf5xe4 Pd2-d3 Ng8-f6 Pd3xe4 Pe7-e6 Bc1-g5 Ph7-h6 Bg5xf6 Qd8xf6 Nb1-c3 Bf8-a3
Scid : exit
Scid : force
Scid : setboard rnbqkbnr/ppppp1pp/8/8/4p3/7P/PPPP1PP1/RNBQKBNR w KQkq - 0 3
Scid : analyze
Engine: 10 10 712 3127860 Pf5xe4 Pd2-d3 Pe4xd3 Bf1xd3 Ng8-f6 Ng1-f3 Nb8-c6 O-O Pd7-d5 Bc1-f4 Pe7-e6
Engine: 10 10 937 3885625 Pf5xe4 Pd2-d3 Pe4xd3 Bf1xd3 Ng8-f6 Ng1-f3 Nb8-c6 O-O Pd7-d5 Bc1-f4 Pe7-e6Code: Select all
void interrupt(int x)
{
int c;
signal(SIGINT,SIG_IGN);
if( Flag.polling )
{
/* ignore lines that begin with '.' */
c=getc(stdin); ungetc(c,stdin);
if( c=='.' ) { fgets(Inp,255,stdin); goto go_on; }
}
if( Flag.ponder < 2 )
{
puts("interrupted");
Abort = 1;
goto go_on;
}
while( command() ) {}
go_on:;
if( !Abort && !Flag.polling )
#if defined(_WIN32)
signal(SIGINT, handleSigint);
#else
signal(SIGINT,interrupt);
#endif
}
Hmmm -UncombedCoconut wrote:The signal function just installs a signal handler. I was under the impression that this wasn't necessary for Windows engines.
Sounds like this is applicable.There are two reasons why WinBoard does not send the Win32 equivalent of SIGINT (which is called CTRL_C_EVENT) to local engines. First, the Win32 GNU Chess 4 port does not need it. Second, I could not find a way to get it to work. Win32 seems to be designed under the assumption that only console applications, not windowed applications, would ever want to send a CTRL_C_EVENT.