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Top Forums Programming Program received signal SIGSEGV, Segmentation fault. Post 302075481 by napapanbkk on Saturday 3rd of June 2006 02:45:40 PM
Old 06-03-2006
Program received signal SIGSEGV, Segmentation fault.

Dear all,

I used debugger from C++ and these are the message I got:

Program received signal SIGSEGV, Segmentation fault.
0x00323fc0 in free () from /lib/tls/libc.so.6
(gdb) info s
#0 0x00323fc0 in free () from /lib/tls/libc.so.6
#1 0x00794fa1 in operator delete () from /usr/lib/libstdc++.so.6
#2 0x080d3934 in matvec::MIM::release (this=0xbfe8e710) at mim.cpp:49
#3 0x0805f57c in ~MIM (this=0xbfe8e710) at mim.h:120
#4 0x0805eedc in main () at analysis.cpp:199

I think the problem comes from "free () from /lib/tls/libc.so.6" but I don't know what it means and how to fix it. Smilie I heard that "installing libc is not trivial". I am not sure if I have to install "libc".

Could somebody educate me what the error mean and how to fix it? I know very little about Linux but I am willing to learn.

Thank you for your help.
 

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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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