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Full Discussion: Why do I receive Program received signal SIGABRT, Aborted?
Top Forums Programming Why do I receive Program received signal SIGABRT, Aborted? Post 302634057 by Errigour on Wednesday 2nd of May 2012 10:43:34 PM
Old 05-02-2012
You know I don't ever FD_ZERO anything. But I do FD_CLR stuff. How should I FD_ZERO stuff?
FD_CLR is in the loop below:
Code:
        keepsake = descr_list;
        while(descr_list != NULL)
        {
            r = descr_list->next;
            if(descr_list->state == SAY_GOODBY)
            {
                close(descr_list->newfd);
                FD_CLR(descr_list->newfd, &master);
                free(descr_list);
            }
            descr_list = r;
        }
        descr_list = keepsake;

Also when there is only one user and it aborts, the command list displays:
Code:
486                                             create_character(keepsake);
487                             }
488                             keepsake = keepsake->next;
489                     }
490                     keepsake = descr_list;
491                     while(descr_list != NULL)
492                     {
493                             r = descr_list->next;
494                             if(descr_list->state == SAY_GOODBY)
495                             {

And when there are two users and it aborts, the command list displays:
Code:
475                             heart_pulse = 0;
476                     } /* END if (heart_pulse == 15000) */
477                     keepsake = descr_list;
478                     while(keepsake != NULL)
479                     {
480                             if(FD_ISSET(keepsake->newfd, &read_fds))
481                             {
482                                     if(keepsake->state == CHARACTER_LOGIN)      /* Character login    */
483                                             character_login(keepsake);
484                                     else if(keepsake->state==CREATE_CHARACTER)  /* Character creation */

Both of the bottom code are kind of the two loops I posted. You could pretty much copy the main and run it if you comment out a few lines that it is dependent on.

---------- Post updated at 10:43 PM ---------- Previous update was at 10:26 PM ----------

Alright I wanna add that I do FD_ZERO like this before my infinity loop:
Code:
    FD_ZERO(&master);    // clear the master and temp sets
    FD_ZERO(&read_fds);
    FD_ZERO(&write_fds);
    FD_ZERO(&except_fds);

 

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LEARN ABOUT OSF1

pthread_kill

pthread_kill(3) 					     Library Functions Manual						   pthread_kill(3)

NAME

       pthread_kill - Delivers a signal to a specified thread. (This routine is available only on a UNIX system.)

LIBRARY

       DECthreads POSIX 1003.1c Library (libpthread.so)

SYNOPSIS

       #include <pthread.h> #include <signal.h>

       int   pthread_kill(
			   pthread_t   thread,
			   int	       sig);

STANDARDS

       Interfaces documented on this reference page conform to industry standards as follows:

       IEEE Std 1003.1c-1995, POSIX System Application Program Interface

PARAMETERS

       Thread to receive a signal request.  A signal request.

DESCRIPTION

       This  routine sends a signal to the specified target thread thread.  Any signal defined to stop, continue, or terminate will stop or termi-
       nate the process, even though it can be handled by the thread.  For example, SIGTERM terminates all threads in the process, even though	it
       can be handled by the target thread.

       Specifying a sig argument of zero (0) causes this routine to validate the thread argument but not to deliver any signal.

       The name of the "kill" routine is sometimes misleading, because many signals do not terminate a thread.

       The  various  signals  are  as follows: SIGHUP, SIGPIPE, SIGTTIN SIGINT, SIGALRM, SIGTTOU SIGQUIT, SIGTERM, SIGIO SIGTRAP, SIGUSR1, SIGXCPU
       SIGABRT, SIGSYS, SIGXFSZ SIGEMT, SIGURG, SIGVTALRM SIGFPE, SIGSTOP, SIGPROF SIGKILL, SIGTSTP, SIGINFO  SIGBUS,  SIGCONT,  SIGUSR1  SIGSEGV,
       SIGCHLD, SIGUSR2

       If this routine does not execute successfully, no signal is sent.

RETURN VALUES

       If  an  error condition occurs, this routine returns an integer value indicating the type of error.  Possible return values are as follows:
       Successful completion.  The value of sig is invalid or unsupported signal value.  The value of thread does not specify an existing thread.

ERRORS

       None

RELATED INFORMATION

       Manuals: Guide to DECthreads and Programmer's Guide

       delim off

																   pthread_kill(3)
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