Please help...

To make it simple, I have a simple test C program which calls my
semphore library functions only.  (It doesn't call any db2 function at
all).  And the following is the test program:

#include    "hasem.h"
#include    <semaphore.h>
#include     <stdio.h>

int
main(int argc, char **argv)
{
    haSem    hasem;
    int    val;

    if (argc != 2)
    {
        printf("usage: semgetvalue <name>\n");
        exit(1);
    }

    strcpy(hasem.semName, argv[1]);
    //Creating binary semaphore
    //if (!semCreate(&hasem))
    //Creating counting semaphore
    if (!semCreateCounting(&hasem,1))
    {
       printf("Failed to create semaphore\n");
    }
    if (!semGetValue(&hasem, &val))
    {
       printf("Failed to get semaphore value.(try 1)\n");
    }
    else
    {
       printf("value = %d(try 1)\n", val);
    }
    /****************/
    if (!semWait(&hasem))       // sem_wait() wrapper function
    {
       printf("Failed to secure semaphore.\n");
    }
    if (!semGetValue(&hasem, &val))
    {
       printf("Failed to get semaphore value.(try 2)\n");
    }
    else
    {
       printf("value = %d(try 2)\n", val);
    }

    /****************/
    if (!semPost(&hasem))     //sem_post() wrapper function
    {
       printf("Failed to post semaphore.\n");
    }
    if (!semGetValue(&hasem, &val))
    {
       printf("Failed to get semaphore value.(try 3)\n");
    }
    else
    {
       printf("value = %d(try 3)\n", val);
    }

    if (!semDestroy(&hasem))
    {
       printf("Failed to unlink semDestroy().\n");
    }

    exit(0);
}

Without link to libdb2 the result is:
(gcc -g -O2 -D_REENTRANT -Wall -D__EXTENSIONS__ -I ~qq/rxgui/inc  -c -o
hursemgetvalue.o hursemgetvalue.c
gcc -g -O2 -D_REENTRANT -Wall -D__EXTENSIONS__ -o hursemgetvalue
hursemgetvalue.o ~qq/rxgui/S*/obj/libhasem.a -lrt -lposix4 )

value = 1(try 1)
value = 0(try 2)
value = 1(try 3)

But if I link to libdb2 as well, the executable runs with incorrect
behavior.  And the following is the printf output:
(gcc -g -Wall -I ~qq/rxgui/inc  -c -o hursemgetvalue.o hursemgetvalue.c

gcc -o hursemgetvalue hursemgetvalue.o ~qq/rxgui/S*/obj/libhasem.a
-lrt -lposix4 -R/export/home/db2eee1a/sqllib/lib -ldb2)

value = 0(try 1)
value = 0(try 2)
value = 0(try 3)

As you can see, the semaphore value is always 0 and doesn't perform
locking function as well.  I don't know if it's a DB2 bug or me making
a mistake somewhere.  Any help or direction is greatly appreciated.
The DB2 SDK version is 7.2.9 on Solaris 8 and I am using gcc compiler.