LCOV - code coverage report
Current view: top level - src/dblib/unittests - proc_limit.c (source / functions) Hit Total Coverage
Test: FreeTDS coverage Lines: 28 32 87.5 %
Date: 2025-05-01 08:06:30 Functions: 2 2 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Purpose: Test reaching processes limit trigger a specific error
       3             :  * Functions: dbopen dbsetmaxprocs
       4             :  */
       5             : 
       6             : #include "common.h"
       7             : #include <freetds/bool.h>
       8             : 
       9             : static bool proc_limit_hit = false;
      10             : 
      11             : static int
      12          10 : err_handler(DBPROCESS * dbproc TDS_UNUSED, int severity, int dberr, int oserr, char *dberrstr, char *oserrstr)
      13             : {
      14          10 :         if (dberr == 20011) {
      15          10 :                 proc_limit_hit = true;
      16          10 :                 fprintf(stderr, "OK: anticipated error %d (%s) arrived\n", dberr, dberrstr);
      17          10 :                 return INT_CANCEL;
      18             :         }
      19             : 
      20           0 :         fprintf(stderr,
      21             :                 "DB-LIBRARY error (severity %d, dberr %d, oserr %d, dberrstr %s, oserrstr %s):\n",
      22             :                 severity, dberr, oserr, dberrstr ? dberrstr : "(null)", oserrstr ? oserrstr : "(null)");
      23           0 :         fflush(stderr);
      24             : 
      25           0 :         return INT_CANCEL;
      26             : }
      27             : 
      28          10 : TEST_MAIN()
      29             : {
      30             :         LOGINREC *login;
      31             :         DBPROCESS *dbproc, *dbproc2;
      32          10 :         bool failed = false;
      33             : 
      34          10 :         set_malloc_options();
      35             : 
      36          10 :         read_login_info(argc, argv);
      37          10 :         printf("Starting %s\n", argv[0]);
      38          10 :         dbinit();
      39             : 
      40             :         /* limit number of processes to get error */
      41          10 :         dbsetmaxprocs(1);
      42             : 
      43          10 :         dberrhandle(syb_err_handler);
      44          10 :         dbmsghandle(syb_msg_handler);
      45             : 
      46          10 :         printf("About to logon\n");
      47             : 
      48          10 :         login = dblogin();
      49          10 :         DBSETLPWD(login, PASSWORD);
      50          10 :         DBSETLUSER(login, USER);
      51          10 :         DBSETLAPP(login, "proc_limit");
      52             : 
      53          10 :         dbproc = dbopen(login, SERVER);
      54             : 
      55             :         /* another process should fail as limit reached */
      56          10 :         dberrhandle(err_handler);
      57          10 :         dbproc2 = dbopen(login, SERVER);
      58          10 :         dbloginfree(login);
      59             : 
      60          10 :         if (dbproc == NULL || dbproc2 != NULL || !proc_limit_hit)
      61           0 :                 failed = true;
      62             : 
      63          10 :         dbclose(dbproc);
      64          10 :         dbexit();
      65             : 
      66          10 :         printf("%s %s\n", __FILE__, (failed ? "failed!" : "OK"));
      67          10 :         return failed ? 1 : 0;
      68             : }

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