nsprpub/pr/tests/system.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "prio.h"
   7 #include "prmem.h"
   8 #include "prprf.h"
   9 #include "prsystem.h"
  10
  11 #include "plerror.h"
  12
  13 static char *tag[] =
  14 {
  15     "PR_SI_HOSTNAME",
  16     "PR_SI_SYSNAME",
  17     "PR_SI_RELEASE",
  18     "PR_SI_ARCHITECTURE"
  19 };
  20
  21 static PRSysInfo Incr(PRSysInfo *cmd)
  22 {
  23     PRIntn tmp = (PRIntn)*cmd + 1;
  24     *cmd = (PRSysInfo)tmp;
  25     return (PRSysInfo)tmp;
  26 }  /* Incr */
  27
  28 int main(int argc, char **argv)
  29 {
  30     PRStatus rv;
  31     PRSysInfo cmd;
  32     PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput);
  33
  34     char *info = (char*)PR_Calloc(SYS_INFO_BUFFER_LENGTH, 1);
  35     for (cmd = PR_SI_HOSTNAME; cmd <= PR_SI_ARCHITECTURE; Incr(&cmd))
  36     {
  37         rv = PR_GetSystemInfo(cmd, info, SYS_INFO_BUFFER_LENGTH);
  38         if (PR_SUCCESS == rv) {
  39             PR_fprintf(output, "%s: %s\n", tag[cmd], info);
  40         }
  41         else {
  42             PL_FPrintError(output, tag[cmd]);
  43         }
  44     }
  45     PR_DELETE(info);
  46
  47     PR_fprintf(output, "Host page size is %d\n", PR_GetPageSize());
  48     PR_fprintf(output, "Page shift is %d\n", PR_GetPageShift());
  49     PR_fprintf(output, "Memory map alignment is %ld\n", PR_GetMemMapAlignment());
  50     PR_fprintf(output, "Number of processors is: %d\n", PR_GetNumberOfProcessors());
  51     PR_fprintf(output, "Physical memory size is: %llu\n", PR_GetPhysicalMemorySize());
  52
  53     return 0;
  54 }  /* main */
  55
  56 /* system.c */