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assert.c
/*-------------------------------------------------------------------------
 *
 * assert.c
 *      Assert code.
 *
 * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *      $PostgreSQL: pgsql/src/backend/utils/error/assert.c,v 1.36 2009/01/01 17:23:51 momjian Exp $
 *
 * NOTE
 *      This should eventually work with elog()
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"

#include <unistd.h>

/*
 * ExceptionalCondition - Handles the failure of an Assert()
 *
 * Note: this can't actually return, but we declare it as returning int
 * because the TrapMacro() macro might get wonky otherwise.
 */
int
ExceptionalCondition(const char *conditionName,
                               const char *errorType,
                               const char *fileName,
                               int lineNumber)
{
      if (!PointerIsValid(conditionName)
            || !PointerIsValid(fileName)
            || !PointerIsValid(errorType))
            write_stderr("TRAP: ExceptionalCondition: bad arguments\n");
      else
      {
            write_stderr("TRAP: %s(\"%s\", File: \"%s\", Line: %d)\n",
                               errorType, conditionName,
                               fileName, lineNumber);
      }

      /* Usually this shouldn't be needed, but make sure the msg went out */
      fflush(stderr);

#ifdef SLEEP_ON_ASSERT

      /*
       * It would be nice to use pg_usleep() here, but only does 2000 sec or 33
       * minutes, which seems too short.
       */
      sleep(1000000);
#endif

      abort();

      return 0;
}

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