Treat 'quit', 'force' and '?' commands immediately

[uci2wb.git] / UCI2WB.c

diff --git a/UCI2WB.c b/UCI2WB.c
index c13ea34..2971c3f 100644 (file)
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -398,7 +398,7 @@ GUI2Engine()
     char line[256], command[256], *p, *q, *r, mySide, searching = 0;\r
 \r
     while(1) {\r
-       int i, x;\r
+       int i, x, think=0;\r
 \r
        if((computer == stm || computer == ANALYZE && !searching) && !suspended) {\r
            DPRINT("# start search\n");\r
@@ -412,13 +412,18 @@ GUI2Engine()
                    for(i=1; i<nr; i++) if(on[i]) EPRINT((f, " %s", moveMap[i]))\r
                }\r
                EPRINT((f, "\n")) searching = 1; // suppresses spurious commands during analysis starting new searches\r
-           } else { pause = 2; StartSearch(""); fflush(stdout); fflush(toE); Sync(PAUSE); } // block input during thinking\r
+           } else pause = think = 2, StartSearch(""); // request suspending of input processing while thinking\r
        }\r
       nomove:\r
        fflush(toE); fflush(stdout);\r
        i = 0; while((x = getchar()) != EOF && (line[i] = x) != '\n') i++;\r
        line[++i] = 0; if(x == EOF) { printf("# EOF\n"); EPRINT((f, "# quit\n")) exit(-1); }\r
        sscanf(line, "%s", command);\r
+       if(!strcmp(command, "offer")) { drawOffer = 1; goto nomove; } // backlogged anyway, so this can be done instantly\r
+       if(think) {      // command arrived during thinking; order abort for 'instant commands'\r
+           if(!strcmp(command, "quit") || !strcmp(command, "force") || !strcmp(command, "?")) { EPRINT((f, "# stop\n")); fflush(toE); }\r
+           Sync(PAUSE); // block processing of input during thinking\r
+       }\r
        if(!strcmp(command, "new")) {\r
            computer = BLACK; moveNr = 0; depth = -1; move[0][0] = 0;\r
            stm = WHITE; strcpy(iniPos, "position startpos"); frc &= ~1;\r
@@ -539,7 +544,6 @@ GUI2Engine()
        else if(!strcmp(command, "st"))     sscanf(line, "st %d", &sTime), sTime = 1000*sTime - 30, inc = 0, sTime /= unit;\r
        else if(!strcmp(command, "name"))   { if(namOpt) EPRINT((f, "# setoption name UCI_Opponent value none none %s %s", comp ? "computer" : "human", line+5)) }\r
        else if(!strcmp(command, "computer")) comp = 1;\r
-       else if(!strcmp(command, "offer"))  drawOffer = 1;\r
        else if(!strcmp(command, "result")) { if(sc == 's') EPRINT((f, "# gameover %s\n", line[8] == '/' ? "draw" : (line[7] == '0') == mySide ? "win" : "lose")) }\r
        else if(!strcmp(command, "quit"))   { EPRINT((f, "# quit\n")) fflush(toE), exit(0); }\r
     }\r