/*   File: athread.hh      By: Alex Theo de Jong   Created: March, 1996      Description:   Alex' Threads based on pthreads*/#include "athread.hh"int Errors::errcount=0;#ifndef SOLARIS_PTHREAD#endif // SOLARIS_PTHREAD#ifdef SOLARIS#endif // SOLARIS#ifndef IRIX_PTHREAD#endif // IRIX_PTHREAD#ifdef IRIX#include <sys/types.h>#include <sys/stat.h>#include <unistd.h>#include <string.h>// create shared arena spaceSharedArena SA::_sa; SharedArena::SharedArena(){  timeval tv;  if (gettimeofday(&tv, 0)!=0){    cerr << "could not get timeofday to create shared memory space\n";    exit(1);  }  sprintf(filename, "/tmp/%d", (int) tv.tv_sec);  if (!(handle=usinit(filename))){    cerr << "could not create shared memory space on `" << filename << "'\n";    exit(1);  }  chmod(filename, S_IRUSR |  S_IWUSR | S_IRGRP |  S_IWGRP | S_IROTH |  S_IWOTH);}SharedArena::~SharedArena(){  usdetach(handle);   //  char command[100];  //  sprintf(command, "rm -f %s", filename);  //  system(command);  // remove tmp file  unlink(filename);}void* (*_Thread_library::function_call)(void*)=0;usema_t* _Thread_library::funct_sema=0;ulock_t _Thread_library::mlock=0;athr_t** _Thread_library::_thread_list=(athr_t**) new (athr_t*)[_thread_list_max];int _Thread_library::init(){  funct_sema=usnewsema(_sa.handle, 1);  if (usinitsema(funct_sema, 1)<0) return -1;  mlock=usnewlock(_sa.handle);  if (usinitlock(mlock)<0) return -1;  for (int i=0; i<_thread_list_max; i++) _thread_list[i]=0;  return 1;}static int _Thread_library=_Thread_library::init();#endif // IRIX