proc로 thread 사용하려고 합니다.

thread function 안에서

sql_context 선언하여 사용하려 하는데

1번째 thread의 DB conntection은 잘 되지만,

2번째 thread의 DB connection부분에서부터

메모리 엑세스 위반이라는 오류가 나면서 DB connect가 되지가 않습니다.

proc가 c로 변환된 코드에서는  아래의 마지막 부분에서 오류가 납니다.

도와주세요

 /* EXEC SQL CONNECT :uid IDENTIFIED BY :pwd USING :tns; */

{
 struct sqlexd sqlstm;
 sqlstm.sqlvsn = 12;
 sqlstm.arrsiz = 4;
 sqlstm.sqladtp = &sqladt;
 sqlstm.sqltdsp = &sqltds;
 sqlstm.iters = (unsigned int  )10;
 sqlstm.offset = (unsigned int  )93;
 sqlstm.cud = sqlcud0;
 sqlstm.sqlest = (unsigned char  *)&sqlca;
 sqlstm.sqlety = (unsigned short)256;
 sqlstm.occurs = (unsigned int  )0;
 sqlstm.sqhstv[0] = (         void  *)&uid;
 sqlstm.sqhstl[0] = (unsigned int  )22;
 sqlstm.sqhsts[0] = (         int  )22;
 sqlstm.sqindv[0] = (         void  *)0;
 sqlstm.sqinds[0] = (         int  )0;
 sqlstm.sqharm[0] = (unsigned int  )0;
 sqlstm.sqadto[0] = (unsigned short )0;
 sqlstm.sqtdso[0] = (unsigned short )0;
 sqlstm.sqhstv[1] = (         void  *)&pwd;
 sqlstm.sqhstl[1] = (unsigned int  )22;
 sqlstm.sqhsts[1] = (         int  )22;
 sqlstm.sqindv[1] = (         void  *)0;
 sqlstm.sqinds[1] = (         int  )0;
 sqlstm.sqharm[1] = (unsigned int  )0;
 sqlstm.sqadto[1] = (unsigned short )0;
 sqlstm.sqtdso[1] = (unsigned short )0;
 sqlstm.sqhstv[2] = (         void  *)&tns;
 sqlstm.sqhstl[2] = (unsigned int  )22;
 sqlstm.sqhsts[2] = (         int  )22;
 sqlstm.sqindv[2] = (         void  *)0;
 sqlstm.sqinds[2] = (         int  )0;
 sqlstm.sqharm[2] = (unsigned int  )0;
 sqlstm.sqadto[2] = (unsigned short )0;
 sqlstm.sqtdso[2] = (unsigned short )0;
 sqlstm.sqphsv = sqlstm.sqhstv;
 sqlstm.sqphsl = sqlstm.sqhstl;
 sqlstm.sqphss = sqlstm.sqhsts;
 sqlstm.sqpind = sqlstm.sqindv;
 sqlstm.sqpins = sqlstm.sqinds;
 sqlstm.sqparm = sqlstm.sqharm;
 sqlstm.sqparc = sqlstm.sqharc;
 sqlstm.sqpadto = sqlstm.sqadto;
 sqlstm.sqptdso = sqlstm.sqtdso;
 sqlstm.sqlcmax = (unsigned int )100;
 sqlstm.sqlcmin = (unsigned int )2;
 sqlstm.sqlcincr = (unsigned int )1;
 sqlstm.sqlctimeout = (unsigned int )0;
 sqlstm.sqlcnowait = (unsigned int )0;
 sqlcxt(&ctx, &sqlctx, &sqlstm, &sqlfpn);
}