/* time related system calls */ /* Copyright (c) 1992, 1999, 2001 John E. Davis * This file is part of the S-Lang library. * * You may distribute under the terms of either the GNU General Public * License or the Perl Artistic License. */ #include "slinclud.h" #include #include #if defined(__BORLANDC__) # include #endif #if defined(__GO32__) || defined(__WATCOMC__) # include # include #endif #include #include "slang.h" #include "_slang.h" #ifdef __WIN32__ #include /* Sleep is defined badly in MSVC... */ # ifdef _MSC_VER # define sleep(n) _sleep((n)*1000) # else # ifdef sleep # undef sleep # endif # define sleep(x) if(x)Sleep((x)*1000) # endif #endif #if defined(IBMPC_SYSTEM) /* For other system (Unix and VMS), _SLusleep is in sldisply.c */ int _SLusleep (unsigned long s) { sleep (s/1000000L); s = s % 1000000L; # if defined(__WIN32__) Sleep (s/1000); #else # if defined(__IBMC__) DosSleep(s/1000); # else # if defined(_MSC_VER) _sleep (s/1000); # endif # endif #endif return 0; } #endif #if defined(__IBMC__) && !defined(_AIX) /* sleep is not a standard function in VA3. */ unsigned int sleep (unsigned int seconds) { DosSleep(1000L * ((long)seconds)); return 0; } #endif static char *ctime_cmd (unsigned long *tt) { char *t; t = ctime ((time_t *) tt); t[24] = 0; /* knock off \n */ return (t); } static void sleep_cmd (void) { unsigned int secs; #if SLANG_HAS_FLOAT unsigned long usecs; double x; if (-1 == SLang_pop_double (&x, NULL, NULL)) return; if (x < 0.0) x = 0.0; secs = (unsigned int) x; sleep (secs); x -= (double) secs; usecs = (unsigned long) (1e6 * x); if (usecs > 0) _SLusleep (usecs); #else if (-1 == SLang_pop_uinteger (&secs)) return; if (secs != 0) sleep (secs); #endif } static unsigned long _time_cmd (void) { return (unsigned long) time (NULL); } #if defined(__GO32__) static char *djgpp_current_time (void) /*{{{*/ { union REGS rg; unsigned int year; unsigned char month, day, weekday, hour, minute, sec; char days[] = "SunMonTueWedThuFriSat"; char months[] = "JanFebMarAprMayJunJulAugSepOctNovDec"; static char the_date[26]; rg.h.ah = 0x2A; #ifndef __WATCOMC__ int86(0x21, &rg, &rg); year = rg.x.cx & 0xFFFF; #else int386(0x21, &rg, &rg); year = rg.x.ecx & 0xFFFF; #endif month = 3 * (rg.h.dh - 1); day = rg.h.dl; weekday = 3 * rg.h.al; rg.h.ah = 0x2C; #ifndef __WATCOMC__ int86(0x21, &rg, &rg); #else int386(0x21, &rg, &rg); #endif hour = rg.h.ch; minute = rg.h.cl; sec = rg.h.dh; /* we want this form: Thu Apr 14 15:43:39 1994\n */ sprintf(the_date, "%.3s %.3s%3d %02d:%02d:%02d %d\n", days + weekday, months + month, day, hour, minute, sec, year); return the_date; } /*}}}*/ #endif char *SLcurrent_time_string (void) /*{{{*/ { char *the_time; #ifndef __GO32__ time_t myclock; myclock = time((time_t *) 0); the_time = (char *) ctime(&myclock); #else the_time = djgpp_current_time (); #endif /* returns the form Sun Sep 16 01:03:52 1985\n\0 */ the_time[24] = '\0'; return(the_time); } /*}}}*/ static int push_tm_struct (struct tm *tms) { char *field_names [9]; unsigned char field_types[9]; VOID_STAR field_values [9]; int int_values [9]; unsigned int i; if (tms == NULL) return SLang_push_null (); field_names [0] = "tm_sec"; int_values [0] = tms->tm_sec; field_names [1] = "tm_min"; int_values [1] = tms->tm_min; field_names [2] = "tm_hour"; int_values [2] = tms->tm_hour; field_names [3] = "tm_mday"; int_values [3] = tms->tm_mday; field_names [4] = "tm_mon"; int_values [4] = tms->tm_mon; field_names [5] = "tm_year"; int_values [5] = tms->tm_year; field_names [6] = "tm_wday"; int_values [6] = tms->tm_wday; field_names [7] = "tm_yday"; int_values [7] = tms->tm_yday; field_names [8] = "tm_isdst"; int_values [8] = tms->tm_isdst; for (i = 0; i < 9; i++) { field_types [i] = SLANG_INT_TYPE; field_values [i] = (VOID_STAR) (int_values + i); } return SLstruct_create_struct (9, field_names, field_types, field_values); } static void localtime_cmd (long *t) { time_t tt = (time_t) *t; (void) push_tm_struct (localtime (&tt)); } static void gmtime_cmd (long *t) { #ifdef HAVE_GMTIME time_t tt = (time_t) *t; (void) push_tm_struct (gmtime (&tt)); #else localtime_cmd (t); #endif } #ifdef HAVE_TIMES # ifdef HAVE_SYS_TIMES_H # include # endif #include #ifdef CLK_TCK # define SECS_PER_TICK (1.0/(double)CLK_TCK) #else # ifdef CLOCKS_PER_SEC # define SECS_PER_TICK (1.0/(double)CLOCKS_PER_SEC) # else # define SECS_PER_TICK (1.0/60.0) # endif #endif static void times_cmd (void) { double dvals[4]; struct tms t; VOID_STAR field_values[4]; char *field_names[4]; unsigned int i; unsigned char field_types[4]; (void) times (&t); field_names[0] = "tms_utime"; dvals[0] = (double)t.tms_utime; field_names[1] = "tms_stime"; dvals[1] = (double)t.tms_stime; field_names[2] = "tms_cutime"; dvals[2] = (double)t.tms_cutime; field_names[3] = "tms_cstime"; dvals[3] = (double)t.tms_cstime; for (i = 0; i < 4; i++) { dvals[i] *= SECS_PER_TICK; field_values[i] = (VOID_STAR) &dvals[i]; field_types[i] = SLANG_DOUBLE_TYPE; } (void) SLstruct_create_struct (4, field_names, field_types, field_values); } static struct tms Tic_TMS; static void tic_cmd (void) { (void) times (&Tic_TMS); } static double toc_cmd (void) { struct tms t; double d; (void) times (&t); d = ((t.tms_utime - Tic_TMS.tms_utime) + (t.tms_stime - Tic_TMS.tms_stime)) * SECS_PER_TICK; Tic_TMS = t; return d; } #endif /* HAVE_TIMES */ static SLang_Intrin_Fun_Type Time_Funs_Table [] = { MAKE_INTRINSIC_1("ctime", ctime_cmd, SLANG_STRING_TYPE, SLANG_ULONG_TYPE), MAKE_INTRINSIC_0("sleep", sleep_cmd, SLANG_VOID_TYPE), MAKE_INTRINSIC_0("_time", _time_cmd, SLANG_ULONG_TYPE), MAKE_INTRINSIC_0("time", SLcurrent_time_string, SLANG_STRING_TYPE), MAKE_INTRINSIC_1("localtime", localtime_cmd, SLANG_VOID_TYPE, SLANG_LONG_TYPE), MAKE_INTRINSIC_1("gmtime", gmtime_cmd, SLANG_VOID_TYPE, SLANG_LONG_TYPE), #ifdef HAVE_TIMES MAKE_INTRINSIC_0("times", times_cmd, SLANG_VOID_TYPE), MAKE_INTRINSIC_0("tic", tic_cmd, SLANG_VOID_TYPE), MAKE_INTRINSIC_0("toc", toc_cmd, SLANG_DOUBLE_TYPE), #endif SLANG_END_INTRIN_FUN_TABLE }; int _SLang_init_sltime (void) { #ifdef HAVE_TIMES (void) tic_cmd (); #endif return SLadd_intrin_fun_table (Time_Funs_Table, NULL); } >124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301