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Full Discussion: Segmentation fault
Top Forums UNIX for Dummies Questions & Answers Segmentation fault Post 302550998 by vincent__tse on Monday 29th of August 2011 04:36:35 AM
Old 08-29-2011
Segmentation fault

Code:
#include<stdio.h>
#include<malloc.h>
#include<unistd.h>
#include<stdlib.h>
 
void *start_1(void *argv)
{
printf("thread 0x%x\n",(unsigned int)pthread_self()); pthread_exit((void*)1);
} void *start_2(void *argv) {
printf("thread 0x%x\n",(unsigned int)pthread_self()); return (void*)2;
} int main(void) {
int *s1,*s2; s1 = (int*)malloc(sizeof(int)); s2 = (int*)malloc(sizeof(int)); pthread_t tid[2]; if(pthread_create(&tid[0],NULL,start_1,NULL) != 0)
exit(EXIT_FAILURE);
if(pthread_create(&tid[1],NULL,start_2,NULL) != 0)
exit(EXIT_FAILURE);
if(pthread_join(tid[0],&s1) != 0)
perror("pthread_join fail\n");
if(pthread_join(tid[1],&s2) != 0)
perror("pthread_join fail\n");
fprintf(stdout,"thread1's eixt code is %d",*s1); fprintf(stdout,"thread2's eixt code is %d",*s2); free(s1); free(s2); exit(EXIT_SUCCESS);
}


Last edited by Scott; 08-29-2011 at 06:12 AM.. Reason: Code tags
 

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FBB::mlm(3bobcat)                                             OFoldStream manipulator                                            FBB::mlm(3bobcat)

NAME
FBB::mlm - Manipulator modifying left margins of OFoldStream objects SYNOPSIS
#include <bobcat/ofoldstream> or #include <bobcat/ofoldstreambuf> Linking option: -lbobcat DESCRIPTION
The mlm class implements a manipulator that can be inserted into OFoldStream objects to modify the stream's left margin by a requested amount. The request cannot result in a negative left margin value. If a negative left margin would be the arithmetic result of the request then left margin 0 will silently be used. Depending on the tab-setting of the OFoldStream the inserted value represents the number of blank space characters or the number of tab-characters that will be added to the left margin. The request will be processed at the next newline character or std::flush or std::endl manipulator that is inserted into the stream. If a line is still empty once an mlm object and a flush manipulator are inserted into the stream then the new left margin will be effective at the next word inserted into that line (cf., the example section below) A bad_cast exception is thrown when the manipulator is inserted into an ostream that is not using a OFoldStreambuf buffer. NAMESPACE
FBB All constructors, members, operators and manipulators, mentioned in this man-page, are defined in the namespace FBB. INHERITS FROM
- CONSTRUCTOR
o mlm(int addValue): The standard copy constructor is available. MEMBER FUNCTIONS
There are no public or protected member functions in this class. EXAMPLE
#include <iostream> #include <bobcat/ofoldstream> using namespace std; using namespace FBB; int main() { OFoldStream out(cout, 0, 80); out << "hello world (left margin is 0)" << mlm(4) << " " "this uses a 4 character wide left margin " << mlm(-10) << flush << "left margin -6 changed to 0, active on this line "; return 0; } FILES
bobcat/mlm - defines the class interface SEE ALSO
bobcat(7), manipulators(3bobcat), lm(3bobcat), ofoldstream(3bobcat) BUGS
None Reported. DISTRIBUTION FILES
o bobcat_3.01.00-x.dsc: detached signature; o bobcat_3.01.00-x.tar.gz: source archive; o bobcat_3.01.00-x_i386.changes: change log; o libbobcat1_3.01.00-x_*.deb: debian package holding the libraries; o libbobcat1-dev_3.01.00-x_*.deb: debian package holding the libraries, headers and manual pages; o http://sourceforge.net/projects/bobcat: public archive location; BOBCAT
Bobcat is an acronym of `Brokken's Own Base Classes And Templates'. COPYRIGHT
This is free software, distributed under the terms of the GNU General Public License (GPL). AUTHOR
Frank B. Brokken (f.b.brokken@rug.nl). libbobcat1-dev_3.01.00-x.tar.gz 2005-2012 FBB::mlm(3bobcat)
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