From a694d39c28c9b357b7187872d2ef5ae2b35a21e8 Mon Sep 17 00:00:00 2001 From: H.G. Muller Date: Thu, 14 Oct 2010 21:58:39 +0200 Subject: [PATCH] Port UCI2WB to Linux If WIN32 is not defined, POSIX calls are used to create the engine thread, pipes and engine process, and an own implemntation of GetTickCount() is suppled. --- UCI2WB.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++------------- 1 files changed, 56 insertions(+), 16 deletions(-) diff --git a/UCI2WB.c b/UCI2WB.c index c6eb949..6b454de 100644 --- a/UCI2WB.c +++ b/UCI2WB.c @@ -3,9 +3,22 @@ #define VERSION "1.5" #include -#include -#include +#include +#ifdef WIN32 +# include +# include + HANDLE process; + DWORD thread_id; +#else +# include +# include +# define NO_ERROR 0 +# include + int GetTickCount() // with thanks to Tord + { struct timeval t; gettimeofday(&t, NULL); return t.tv_sec*1000 + t.tv_usec/1000; } +#endif #include +#include #ifdef _MSC_VER #define SLEEP() Sleep(1) @@ -22,13 +35,11 @@ #define ANALYZE 3 char move[2000][10], checkOptions[8192], iniPos[256], hashOpt[20], pause, pondering, ponder, post, hasHash, c, sc='c', *suffix; -int mps, tc, inc, stime, depth, myTime, hisTime, stm, computer = NONE, memory, oldMem=0, cores, moveNr, lastDepth, lastScore, startTime; +int mps, tc, inc, sTime, depth, myTime, hisTime, stm, computer = NONE, memory, oldMem=0, cores, moveNr, lastDepth, lastScore, startTime; int statDepth, statScore, statNodes, statTime, currNr, size; char currMove[20]; // for analyze mode FILE *toE, *fromE; -HANDLE process; int pid; -DWORD thread_id; void StartSearch(char *ponder) @@ -36,7 +47,7 @@ StartSearch(char *ponder) int nr = moveNr + (ponder[0] != 0); // we ponder for one move ahead! fprintf(toE, "\ngo btime %d wtime %d", stm == BLACK ^ sc=='s' ? myTime : hisTime, stm == WHITE ^ sc=='s' ? myTime : hisTime); printf( "\n# go btime %d wtime %d", stm == BLACK ^ sc=='s' ? myTime : hisTime, stm == WHITE ^ sc=='s' ? myTime : hisTime); - if(stime > 0) fprintf(toE, " movetime %d", stime),printf(" movetime %d", stime); else + if(sTime > 0) fprintf(toE, " movetime %d", sTime),printf(" movetime %d", sTime); else if(mps) fprintf(toE, " movestogo %d", mps*(nr/(2*mps)+1)-nr/2),printf(" movestogo %d", mps*(nr/(2*mps)+1)-nr/2); if(inc && !suffix) fprintf(toE, " winc %d binc %d", inc, inc),printf(" winc %d binc %d", inc, inc); if(depth > 0) fprintf(toE, " depth %d", depth),printf(" depth %d", depth); @@ -76,7 +87,7 @@ char *Convert(char *pv) return buf; } -void +void * Engine2GUI() { char line[1024], command[256]; @@ -98,7 +109,7 @@ printf("# engine said: %s", line); strstr(line+9, "0000")) { printf("%s\n", lastScore < -99999 ? "resign" : "1/2-1/2 {stalemate}"); computer = NONE; } sscanf(line, "bestmove %s", move[moveNr++]); myTime -= (GetTickCount() - startTime)*1.02 + inc; // update own clock, so we can give correct wtime, btime with ponder - if(mps && ((moveNr+1)/2) % mps == 0) myTime += tc; if(stime) myTime = stime; // new session or move starts + if(mps && ((moveNr+1)/2) % mps == 0) myTime += tc; if(sTime) myTime = sTime; // new session or move starts // first start a new ponder search, if pondering is on and we have a move to ponder on if(p = strstr(line+9, "ponder")) { if(computer != NONE && ponder) { @@ -207,7 +218,7 @@ printf("# start search\n"); nomove: fflush(toE); fflush(stdout); i = 0; while((x = getchar()) != EOF && (line[i] = x) != '\n') i++; - line[++i] = 0; if(x == EOF) { printf("# EOF\n"); exit(-1); } + line[++i] = 0; if(x == EOF) { printf("# EOF\n"); exit(-1); } sscanf(line, "%s", command); while(pause) SLEEP(); // wait for readyok if(!strcmp(command, "new")) { @@ -251,7 +262,7 @@ printf("# start search\n"); int sec = 0; sscanf(line, "level %d %d:%d %d", &mps, &tc, &sec, &inc) == 4 || sscanf(line, "level %d %d %d", &mps, &tc, &inc); - tc = (60*tc + sec)*1000; inc *= 1000; stime = 0; + tc = (60*tc + sec)*1000; inc *= 1000; sTime = 0; } else if(!strcmp(command, "option")) { char name[80], *p; @@ -300,14 +311,15 @@ printf("# start search\n"); else if(!strcmp(command, "memory")) sscanf(line, "memory %d", &memory); else if(!strcmp(command, "cores")) sscanf(line, "cores %d", &cores); else if(!strcmp(command, "sd")) sscanf(line, "sd %d", &depth); - else if(!strcmp(command, "st")) sscanf(line, "st %d", &stime), stime *= 1000, inc = 0; + else if(!strcmp(command, "st")) sscanf(line, "st %d", &sTime), sTime *= 1000, inc = 0; else if(!strcmp(command, "quit")) fprintf(toE, "quit\n"), fflush(toE), exit(0); } } int StartEngine(char *cmdLine, char *dir) -{ +{ +#ifdef WIN32 HANDLE hChildStdinRd, hChildStdinWr, hChildStdoutRd, hChildStdoutWr; SECURITY_ATTRIBUTES saAttr; @@ -367,7 +379,31 @@ StartEngine(char *cmdLine, char *dir) pid = piProcInfo.dwProcessId; fromE = (FILE*) _fdopen( _open_osfhandle((long)hChildStdoutRd, _O_TEXT|_O_RDONLY), "r"); toE = (FILE*) _fdopen( _open_osfhandle((long)hChildStdinWr, _O_WRONLY), "w"); - +#else + char *argv[10], *p, buf[200]; + int i, toEngine[2], fromEngine[2]; + + if (dir && dir[0] && chdir(dir)) { perror(dir); exit(1); } + pipe(toEngine); pipe(fromEngine); // create two pipes + + if ((pid = fork()) == 0) { // Child + dup2(toEngine[0], 0); close(toEngine[0]); close(toEngine[1]); // stdin from toE pipe + dup2(fromEngine[1], 1); close(fromEngine[0]); close(fromEngine[1]); // stdout into fromE pipe + dup2(1, fileno(stderr)); // stderr into frome pipe + + strcpy(buf, cmdLine); p = buf; + for (i=0;;) { argv[i++] = p; p = strchr(p, ' '); if (p == NULL) break; *p++ = 0; } + argv[i] = NULL; + execvp(argv[0], argv); // startup engine + + perror(argv[0]); exit(1); // could not start engine; quit. + } + signal(SIGPIPE, SIG_IGN); + close(toEngine[0]); close(fromEngine[1]); // close engine ends of pipes in adapter + + fromE = (FILE*) fdopen(fromEngine[0], "r"); // make into high-level I/O + toE = (FILE*) fdopen(toEngine[1], "w"); +#endif return NO_ERROR; } @@ -377,15 +413,19 @@ main(int argc, char **argv) if(argc == 2 && !strcmp(argv[1], "-v")) { printf("UCI2WB " VERSION " by H.G.Muller\n"); exit(0); } if(argc > 1 && argv[1][0] == '-') { sc = argv[1][1]; argc--; argv++; } - if(argc < 2) { printf("usage is: U%cI2WB [-s] []", sc-32); exit(-1); } + if(argc < 2) { printf("usage is: U%cI2WB [-s] []\n", sc-32); exit(-1); } if(argc > 2) dir = argv[2]; if(argc > 3) suffix = argv[3]; // spawn engine proc - if((errno = StartEngine(argv[1], dir)) != NO_ERROR) { perror(argv[1]), exit(-1); } + if(StartEngine(argv[1], dir) != NO_ERROR) { perror(argv[1]), exit(-1); } // create separate thread to handle engine->GUI traffic - CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) Engine2GUI, (LPVOID) NULL, 0, &thread_id); +#ifdef WIN32 + CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) Engine2GUI, (LPVOID) NULL, 0, &thread_id); +#else + { pthread_t t; signal(SIGINT, SIG_IGN); pthread_create(&t, NULL, Engine2GUI, NULL); } +#endif // handle GUI->engine traffic in original thread GUI2Engine(); -- 1.7.0.4