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Commit1f0aff0

Browse files
committed
Remove calls to getprotobyname(), which we now know leaks memory on
some platforms --- and I also see that it is documented as not thread-safe on HPUX and possibly other platforms. No good reason not to justuse IPPROTO_TCP constant from <netinet/in.h> instead.
1 parent9dab9ab commit1f0aff0

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2 files changed

+6
-22
lines changed

2 files changed

+6
-22
lines changed

‎src/backend/libpq/pqcomm.c‎

Lines changed: 3 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -29,7 +29,7 @@
2929
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
3030
* Portions Copyright (c) 1994, Regents of the University of California
3131
*
32-
*$Id: pqcomm.c,v 1.90 2000/05/20 13:10:54 ishii Exp $
32+
*$Id: pqcomm.c,v 1.91 2000/05/21 21:19:53 tgl Exp $
3333
*
3434
*-------------------------------------------------------------------------
3535
*/
@@ -360,19 +360,12 @@ StreamConnection(int server_fd, Port *port)
360360
returnSTATUS_ERROR;
361361
}
362362

363-
/* selectTCP_NODELAY option if it's a TCP connection */
363+
/* selectNODELAY and KEEPALIVE options if it's a TCP connection */
364364
if (port->laddr.sa.sa_family==AF_INET)
365365
{
366-
structprotoent*pe;
367366
inton=1;
368367

369-
pe=getprotobyname("TCP");
370-
if (pe==NULL)
371-
{
372-
perror("postmaster: StreamConnection: getprotobyname");
373-
returnSTATUS_ERROR;
374-
}
375-
if (setsockopt(port->sock,pe->p_proto,TCP_NODELAY,
368+
if (setsockopt(port->sock,IPPROTO_TCP,TCP_NODELAY,
376369
&on,sizeof(on))<0)
377370
{
378371
perror("postmaster: StreamConnection: setsockopt(TCP_NODELAY)");

‎src/interfaces/libpq/fe-connect.c‎

Lines changed: 3 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.126 2000/04/12 17:17:14 momjian Exp $
11+
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.127 2000/05/21 21:19:53 tgl Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -29,6 +29,7 @@
2929
#include<sys/socket.h>
3030
#include<unistd.h>
3131
#include<netdb.h>
32+
#include<netinet/in.h>
3233
#include<netinet/tcp.h>
3334
#include<arpa/inet.h>
3435
#endif
@@ -625,19 +626,9 @@ connectMakeNonblocking(PGconn *conn)
625626
staticint
626627
connectNoDelay(PGconn*conn)
627628
{
628-
structprotoent*pe;
629629
inton=1;
630630

631-
pe=getprotobyname("TCP");
632-
if (pe==NULL)
633-
{
634-
printfPQExpBuffer(&conn->errorMessage,
635-
"connectNoDelay() -- "
636-
"getprotobyname failed: errno=%d\n%s\n",
637-
errno,strerror(errno));
638-
return0;
639-
}
640-
if (setsockopt(conn->sock,pe->p_proto,TCP_NODELAY,
631+
if (setsockopt(conn->sock,IPPROTO_TCP,TCP_NODELAY,
641632
#ifdefWIN32
642633
(char*)
643634
#endif

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