tesths.cc File Reference

#include "kernel/mod2.h"
#include "omalloc/omalloc.h"
#include "misc/options.h"
#include "factory/factory.h"
#include "kernel/oswrapper/feread.h"
#include "Singular/fevoices.h"
#include "kernel/oswrapper/timer.h"
#include "kernel/oswrapper/vspace.h"
#include "ipshell.h"
#include "cntrlc.h"
#include "links/silink.h"
#include "ipid.h"
#include "sdb.h"
#include "feOpt.h"
#include "misc/distrib.h"
#include "mmalloc.h"
#include "tok.h"
#include "resources/fegetopt.h"
#include "Singular/countedref.h"
#include "Singular/pyobject_setup.h"
#include <unistd.h>
#include <NTL/config.h>
#include "Singular/links/simpleipc.h"

Go to the source code of this file.

Functions
void	siInit (char *)
int	mmInit (void)
int	main (int argc, char **argv)

Variables
EXTERN_VAR FILE *	File_Log
EXTERN_VAR BOOLEAN	FE_OPT_NO_SHELL_FLAG

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

Definition at line 66 of file tesths.cc.

{
  mmInit();
  // Don't worry: ifdef OM_NDEBUG, then all these calls are undef'ed
  omInitRet_2_Info(argv[0]);
  omInitGetBackTrace();
 
#ifdef PSINGULAR
  global_argv0 = argv[0];
#endif
// how many processes ? -----------------------------------------------------
  {
    int cpus=1;
    int cpu_n;
    #ifdef _SC_NPROCESSORS_ONLN
    if ((cpu_n=sysconf(_SC_NPROCESSORS_ONLN))>cpus) cpus=cpu_n;
    #elif defined(_SC_NPROCESSORS_CONF)
    if ((cpu_n=sysconf(_SC_NPROCESSORS_CONF))>cpus) cpus=cpu_n;
    #endif
    #ifdef HAVE_SIMPLEIPC
    if (cpus>SIPC_MAX_SEMAPHORES) cpus=SIPC_MAX_SEMAPHORES;
    #endif
    feSetOptValue(FE_OPT_CPUS, cpus);
// how many threads ? -----------------------------------------------------
    feSetOptValue(FE_OPT_THREADS, cpus);
  }
  siInit(argv[0]);
  init_signals();
 
  // parse command line options
  int optc, option_index;
  const char* errormsg;
  while((optc = fe_getopt_long(argc, argv,
                               SHORT_OPTS_STRING, feOptSpec, &option_index))
        != EOF)
  {
    if (optc == '?' || optc == 0)
    {
      fprintf(stderr, "Use '%s --help' for a complete list of options\n", feArgv0);
      exit(1);
    }
 
    if (optc != LONG_OPTION_RETURN)
      option_index = feGetOptIndex(optc);
 
    assume(option_index >= 0 && option_index < (int) FE_OPT_UNDEF);
 
    if (fe_optarg == NULL &&
        (feOptSpec[option_index].type == feOptBool ||
         feOptSpec[option_index].has_arg == optional_argument))
      errormsg = feSetOptValue((feOptIndex) option_index, (int) 1);
    else
      errormsg = feSetOptValue((feOptIndex) option_index, fe_optarg);
    // not more than MAX_PROCESS cpus
 
    if (errormsg)
    {
      if (fe_optarg == NULL)
        fprintf(stderr, "Error: Option '--%s' %s\n",
               feOptSpec[option_index].name, errormsg);
      else
        fprintf(stderr, "Error: Option '--%s=%s' %s\n",
               feOptSpec[option_index].name, fe_optarg, errormsg);
      fprintf(stderr, "Use '%s --help' for a complete list of options\n", feArgv0);
      exit(1);
    }
    if (optc == 'h') exit(0);
    switch(option_index)
    {
      case FE_OPT_DUMP_VERSIONTUPLE:
        exit(0);
        break;
      default: ;
    }
  }
  long cpus=(long)feOptValue(FE_OPT_CPUS);
  #ifdef HAVE_VSPACE
  if (cpus>vspace::internals::MAX_PROCESS)
  {
    cpus=vspace::internals::MAX_PROCESS;
    feSetOptValue(FE_OPT_CPUS,cpus);
  }
  #endif
 
  /* say hello */
 
  if (TEST_V_QUIET)
  {
    (printf)(
"                     SINGULAR                                 /"
#ifndef MAKE_DISTRIBUTION
"  Development"
#endif
"\n"
" A Computer Algebra System for Polynomial Computations       /   version %s\n"
"                                                           0<\n"
" by: W. Decker, G.-M. Greuel, G. Pfister, H. Schoenemann     \\   %s\n"
"FB Mathematik der Universitaet, D-67653 Kaiserslautern        \\\n"
, VERSION, VERSION_DATE);
    if (feOptValue(FE_OPT_NO_SHELL))
    {
      WarnS("running in restricted mode:"
      " shell invocation and file links are disallowed");
      FE_OPT_NO_SHELL_FLAG=TRUE;
    }
  }
  else
  {
    FE_OPT_NO_SHELL_FLAG=FALSE;
    if (feOptValue(FE_OPT_SORT)) On(SW_USE_NTL_SORT);
    dup2(1,2);
    /* alternative:
    *    memcpy(stderr,stdout,sizeof(FILE));
    */
  }
  if (feOptValue(FE_OPT_LOG)!=NULL)
  {
    int pid=getpid();
    char *buf=(char*)malloc(10+strlen((char*) feOptSpec[FE_OPT_LOG].value));
    snprintf(buf,10+strlen((char*) feOptSpec[FE_OPT_LOG].value),
      "%s.%d",(char*) feOptSpec[FE_OPT_LOG].value,pid);
    File_Log=fopen(buf,"w");
  }
 
#ifdef SINGULAR_PYOBJECT_SETUP_H
   pyobject_setup();
#endif
#ifdef SI_COUNTEDREF_AUTOLOAD
  countedref_init();
#endif
  errorreported = 0;
 
  // -- example for "static" modules ------
  //load_builtin("huhu.so",FALSE,(SModulFunc_t)huhu_mod_init);
  //module_help_main("huhu.so","Help for huhu\nhaha\n");
  //module_help_proc("huhu.so","p","Help for huhu::p\nhaha\n");
  setjmp(si_start_jmpbuf);
 
  // Now, put things on the stack of stuff to do
  // Last thing to do is to execute given scripts
  if (fe_optind < argc)
  {
    int i = argc - 1;
    FILE *fd;
    while (i >= fe_optind)
    {
      if ((fd = feFopen(argv[i], "r")) == NULL)
      {
        Warn("Can not open %s", argv[i]);
      }
      else
      {
        fclose(fd);
        newFile(argv[i]);
      }
      i--;
    }
  }
  else
  {
    currentVoice=feInitStdin(NULL);
  }
 
  // before scripts, we execute -c, if it was given
  if (feOptValue(FE_OPT_EXECUTE) != NULL)
    newBuffer(omStrDup((char*) feOptValue(FE_OPT_EXECUTE)), BT_execute);
 
  // first thing, however, is to load .singularrc from Singularpath
  // and cwd/$HOME (in that order).
  if (! feOptValue(FE_OPT_NO_RC))
  {
    char buf[MAXPATHLEN];
    FILE * rc = feFopen("." DIR_SEPP ".singularrc", "r", buf);
    if (rc == NULL) rc = feFopen("~" DIR_SEPP ".singularrc", "r", buf);
    if (rc == NULL) rc = feFopen(".singularrc", "r", buf);
 
    if (rc != NULL)
    {
      if (BVERBOSE(V_LOAD_LIB))
        Print("// ** executing %s\n", buf);
      fclose(rc);
      newFile(buf);
    }
  }
 
  /* start shell */
  if (fe_fgets_stdin==fe_fgets_dummy)
  {
    singular_in_batchmode=TRUE;
    char *linkname=(char*) feOptValue(FE_OPT_LINK);
    if((linkname!=NULL)&&(strcmp(linkname,"ssi")==0))
    {
      return ssiBatch((char*) feOptValue(FE_OPT_MPHOST),(char*) feOptValue(FE_OPT_MPPORT));
      //Print("batch: p:%s, h:%s\n",(char*) feOptValue(FE_OPT_MPPORT),(char*) feOptValue(FE_OPT_MPHOST));
      //exit(0);
    }
    else
    {
      Print("** missing arguments: -b requires --link/--MPhost/--MPport\n");
      return 1;
    }
  }
  setjmp(si_start_jmpbuf);
  yyparse();
  m2_end(0);
  return 0;
}

mmInit()

int mmInit

(

void

)

Definition at line 50 of file tesths.cc.

{
#ifndef X_OMALLOC
#if defined(OMALLOC_USES_MALLOC)
    /* in mmstd.c, for some architectures freeSize() unconditionally uses the *system* free() */
    /* sage ticket 5344: http://trac.sagemath.org/sage_trac/ticket/5344 */
    /* do not rely on the default in Singular as libsingular may be different */
    mp_set_memory_functions(omMallocFunc,omReallocSizeFunc,omFreeSizeFunc);
#else
    mp_set_memory_functions(malloc,reallocSize,freeSize);
#endif
#endif
  return 1;
}

siInit()

void siInit ( char * name )

extern

Definition at line 1366 of file misc_ip.cc.

{
// memory initialization: -----------------------------------------------
#ifdef HAVE_OMALLOC    
    om_Opts.OutOfMemoryFunc = omSingOutOfMemoryFunc;
#ifndef OM_NDEBUG
#ifndef __OPTIMIZE__
  #ifndef MAKE_DISTRUBTION
    om_Opts.ErrorHook = dErrorBreak;
  #endif
#else
    om_Opts.Keep = 0; /* !OM_NDEBUG, __OPTIMIZE__*/
#endif
#else
    om_Opts.Keep = 0; /* OM_NDEBUG */
#endif
    omInitInfo();
#endif    
// factory
#ifndef HAVE_NTL
  extern void initPT();
  initPT();
#endif
 { // set cpus (in siInit), if SINGULAR_CPUS is set, set within the limits
   char *env_cpu=getenv("SINGULAR_CPUS");
   if (env_cpu!=NULL)
   {
      int cpu_n,cpus;
      #ifdef _SC_NPROCESSORS_ONLN
      if ((cpu_n=sysconf(_SC_NPROCESSORS_ONLN))>cpus) cpus=cpu_n;
      #elif defined(_SC_NPROCESSORS_CONF)
      if ((cpu_n=sysconf(_SC_NPROCESSORS_CONF))>cpus) cpus=cpu_n;
      #endif
      #ifdef HAVE_SIMPLEIPC
      if (cpus>SIPC_MAX_SEMAPHORES) cpus=SIPC_MAX_SEMAPHORES;
      #endif
 
     int t=atoi(env_cpu);
     if ((t>=0)&&(t<cpus)) cpus=t;
     feSetOptValue(FE_OPT_CPUS, cpus);
     // how many threads ? -----------------------------------------------------
     feSetOptValue(FE_OPT_THREADS, cpus);
   }
 }
// options ---------------------------------------------------------------
  si_opt_1=0;
// interpreter tables etc.: -----------------------------------------------
  memset(&sLastPrinted,0,sizeof(sleftv));
  sLastPrinted.rtyp=NONE;
 
  extern int iiInitArithmetic(); iiInitArithmetic(); // iparith.cc
 
  basePack=(package)omAlloc0(sizeof(*basePack));
  currPack=basePack;
  idhdl h;
  h=enterid("Top", 0, PACKAGE_CMD, &IDROOT, FALSE);
  IDPACKAGE(h)=basePack;
  IDPACKAGE(h)->language = LANG_TOP;
  currPackHdl=h;
  basePackHdl=h;
 
  coeffs_BIGINT = nInitChar(n_Q,(void*)1);
 
#if 1
   // def HAVE_POLYEXTENSIONS
  if(TRUE)
  {
    n_coeffType type;
    #ifdef SINGULAR_4_2
    type = nRegister(n_polyExt, n2pInitChar);
    assume(type == n_polyExt);
    #endif
 
    type = nRegister(n_algExt, naInitChar);
    assume(type == n_algExt);
 
    type = nRegister(n_transExt, ntInitChar);
    assume(type == n_transExt);
 
    (void)type;
  }
#endif
 
// random generator: -----------------------------------------------
  {
    int t=startTimer();
    if (t==0) t=1;
    initRTimer();
    siSeed=t;
    factoryseed(t);
    siRandomStart=t;
    feOptSpec[FE_OPT_RANDOM].value = (void*) ((long)siRandomStart);
  }
 
// ressource table: ----------------------------------------------------
  // Don't worry: ifdef OM_NDEBUG, then all these calls are undef'ed
  // hack such that all shared' libs in the bindir are loaded correctly
  feInitResources(name);
 
// singular links: --------------------------------------------------
  slStandardInit();
  myynest=0;
 
// default coeffs
  {
    idhdl h;
    h=enterid("QQ",0/*level*/, CRING_CMD,&(basePack->idroot),FALSE /*init*/,FALSE /*search*/);
    IDDATA(h)=(char*)nInitChar(n_Q,NULL);
    h=enterid("ZZ",0/*level*/, CRING_CMD,&(basePack->idroot),FALSE /*init*/,FALSE /*search*/);
    IDDATA(h)=(char*)nInitChar(n_Z,NULL);
    nRegisterCfByName(nrnInitCfByName,n_Zn); // and n_Znm
    iiAddCproc("kernel","crossprod",FALSE,iiCrossProd);
    iiAddCproc("kernel","Float",FALSE,iiFloat);
    //h=enterid("RR",0/*level*/, CRING_CMD,&(basePack->idroot),FALSE /*init*/,FALSE /*search*/);
    //IDDATA(h)=(char*)nInitChar(n_R,NULL);
    //h=enterid("CC",0/*level*/, CRING_CMD,&(basePack->idroot),FALSE /*init*/,FALSE /*search*/);
    //IDDATA(h)=(char*)nInitChar(n_long_C,NULL);
  }
// setting routines for PLURAL QRINGS:
// allowing to use libpolys without libSingular(kStd)
#ifdef HAVE_PLURAL
  nc_NF=k_NF;
  gnc_gr_bba=k_gnc_gr_bba;
  gnc_gr_mora=k_gnc_gr_mora;
  sca_bba=k_sca_bba;
  sca_mora=k_sca_mora;
  sca_gr_bba=k_sca_gr_bba;
#endif
// loading standard.lib -----------------------------------------------
  if (! feOptValue(FE_OPT_NO_STDLIB))
  {
    BITSET save1,save2;
    SI_SAVE_OPT(save1,save2);
    si_opt_2 &= ~Sy_bit(V_LOAD_LIB);
    iiLibCmd("standard.lib", TRUE,TRUE,TRUE);
    SI_RESTORE_OPT(save1,save2);
  }
  // interpreter error handling
  #ifndef __CYGWIN__
  factoryError=callWerrorS; // to honour later changes of variable WerrorS
  #endif
  errorreported = 0;
}

Variable Documentation

FE_OPT_NO_SHELL_FLAG

EXTERN_VAR BOOLEAN FE_OPT_NO_SHELL_FLAG

Definition at line 48 of file tesths.cc.

File_Log

EXTERN_VAR FILE* File_Log

Definition at line 47 of file tesths.cc.