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Dear all,
I wrote following code :
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
int g1=0;
int g2=0;
void *task1(int *counter);
//void task2(int *counter);
void cleanup(int counter1,int counter2);
int main(int argc,char *argv[])
{
pthread_t thr1,thr2;
if ( pthread_create(&thr1,NULL,task1,(void*)g1))
{
perror("pthread_create : task1");
exit(EXIT_FAILURE);
}
/* if ((ret = pthread_create(&thr2,NULL,task2,(void *)&g2)))
{
perror("pthread_create : task2");
exit(EXIT_FAILURE);
}*/
// pthread_join(thr2,NULL);
pthread_join(thr1,NULL);
cleanup(g1,g2);
exit(EXIT_SUCCESS);
}//end of main program
void *task1(int *counter)
{
while(*counter < 5 ){
printf("task1 count: %d\n",*counter);
(*counter)++;
}//end of while
void cleanup(int counter1,int counter2)
{
printf("Total iterations: %d\n",counter1+counter2);
}//end of cleanup function
But i receive following error:
[EMAIL PROTECTED]:~/test/learning/pthread$ make
gcc -c -Wall test.c -lpthread
In file included from test.c:3:
/usr/include/pthread.h:285: error: conflicting types for ‘pthread_t’
/usr/include/bits/pthreadtypes.h:152: error: previous declaration of
‘pthread_t’ was here
/usr/include/pthread.h:286: error: conflicting types for ‘pthread_attr_t’
/usr/include/bits/pthreadtypes.h:54: error: previous declaration of
‘pthread_attr_t’ was here
/usr/include/pthread.h:287: error: conflicting types for ‘pthread_key_t’
/usr/include/bits/pthreadtypes.h:82: error: previous declaration of
‘pthread_key_t’ was here
/usr/include/pthread.h:289: error: conflicting types for
‘pthread_mutexattr_t’
/usr/include/bits/pthreadtypes.h:102: error: previous declaration of
‘pthread_mutexattr_t’ was here
/usr/include/pthread.h:290: error: conflicting types for ‘pthread_mutex_t’
/usr/include/bits/pthreadtypes.h:95: error: previous declaration of
‘pthread_mutex_t’ was here
/usr/include/pthread.h:291: error: conflicting types for
‘pthread_condattr_t’
/usr/include/bits/pthreadtypes.h:79: error: previous declaration of
‘pthread_condattr_t’ was here
/usr/include/pthread.h:292: error: conflicting types for ‘pthread_cond_t’
/usr/include/bits/pthreadtypes.h:72: error: previous declaration of
‘pthread_cond_t’ was here
test.c: In function ‘main’:
test.c:13: warning: passing argument 3 of ‘pthread_create’ from
incompatible pointer type
test.c:11: warning: unused variable ‘thr2’
test.c: In function ‘task1’:
test.c:38: warning: control reaches end of non-void function
make: *** [main.o] Error 1
[EMAIL PROTECTED]:~/test/learning/pthread$
My distro is Debian Etch.
kernel is 2.6.18
I have post it to pthread mailing list,They said me that i reinstall
libc6-dev package,i reinstalled it,But i see given errors.
Please help me....
Yours,Mohsen
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