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authorUlrich Drepper <drepper@redhat.com>1998-06-15 18:12:05 +0000
committerUlrich Drepper <drepper@redhat.com>1998-06-15 18:12:05 +0000
commitfed8f7f7aeb06dfae0dfbfb085c6857cc457c254 (patch)
tree292caa308359deaa5fed820469d0b37805126e68 /sunrpc/svc_tcp.c
parente5bafd559a4c155fa9d1b1a669c67d99ea773565 (diff)
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Update.
1998-06-15 18:07 Ulrich Drepper <drepper@cygnus.com> * iconvdata/ksc5601.h: Clean up a bit. 1998-06-15 14:35 Ulrich Drepper <drepper@cygnus.com> * sunrpc/svc_tcp.c (readtcp): Also listen to all the other connections and process incoming data. * sunrpc/xdr_rec.c (set_input_fragment): Only recognize zero length fragments as invalid. Patches by Thorsten Kukuk <kukuk@weber.uni-paderborn.de>. 1998-06-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> Removal of duplicates like "the the". * manual/time.texi (TZ Variable): Likewise. * manual/users.texi (Manipulating the Database): Likewise. * manual/sysinfo.texi (Filesystem handling): Likewise. * manual/signal.texi (Signaling Yourself): Likewise. * manual/message.texi (Message Translation): Likewise. (Common Usage): Likewise. * manual/llio.texi: Likewise. * manual/arith.texi (Old-style number conversion): Likewise. * manual/argp.texi (Argp): Likewise. (Argp Parsers): Likewise. (Argp Help Filtering): Likewise. * hesiod/README.hesiod: Correct typo. * manual/llio.texi: Correct typos. * manual/sysinfo.texi: Likewise. 1998-06-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * rt/aio.h: Rename __op to __operation for g++. 1998-06-13 20:17 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu> * iconvdata/gen-8bit-gap.sh: Use awk not perl. Clean up sed script. * iconvdata/gen-8bit-gap-1.sh: Likewise. * iconvdata/gen-8bit.sh: Clean up sed script. * iconvdata/Makefile: Remove all PERL conditionals; build all the modules all the time. Export AWK. (gen-8bit-gap): Delete setting of PERL. (gen-8bit-gap-1): Likewise. (perl-generated-headers): Renamed awk-generated-headers. * iconvdata/gap.pl: Removed. * iconvdata/gaptab.pl: Removed. * iconvdata/gap.awk: New file. * iconvdata/gaptab.awk: New file. 1998-06-15 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/Dist: Add errno-loc.c. * sysdeps/unix/sysv/linux/alpha/glob.c: Add prototypes for the __new_* functions. 1998-06-14 14:21 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu> * stdio-common/bug12.c: New test for fread()/fseek(). * stdio-common/Makefile (tests): Add bug12.
Diffstat (limited to 'sunrpc/svc_tcp.c')
-rw-r--r--sunrpc/svc_tcp.c44
1 files changed, 26 insertions, 18 deletions
diff --git a/sunrpc/svc_tcp.c b/sunrpc/svc_tcp.c
index 41f95332e7..e162c02751 100644
--- a/sunrpc/svc_tcp.c
+++ b/sunrpc/svc_tcp.c
@@ -284,13 +284,19 @@ svctcp_destroy (SVCXPRT *xprt)
* All read operations timeout after 35 seconds.
* A timeout is fatal for the connection.
*/
-static struct timeval wait_per_try =
-{35, 0};
+static struct timeval wait_per_try = {35, 0};
/*
* reads data from the tcp connection.
* any error is fatal and the connection is closed.
* (And a read of zero bytes is a half closed stream => error.)
+ *
+ * Note: we have to be careful here not to allow ourselves to become
+ * blocked too long in this routine. While we're waiting for data from one
+ * client, another client may be trying to connect. To avoid this situation,
+ * some code from svc_run() is transplanted here: the select() loop checks
+ * all RPC descriptors including the one we want and calls svc_getreqset2()
+ * to handle new requests if any are detected.
*/
static int
readtcp (char *xprtptr, char *buf, int len)
@@ -298,39 +304,41 @@ readtcp (char *xprtptr, char *buf, int len)
SVCXPRT *xprt = (SVCXPRT *)xprtptr;
int sock = xprt->xp_sock;
#ifdef FD_SETSIZE
- fd_set mask;
fd_set readfds;
-
- FD_ZERO (&mask);
- FD_SET (sock, &mask);
#else
int mask = 1 << sock;
int readfds;
#endif /* def FD_SETSIZE */
- do
+ while (1)
{
struct timeval timeout = wait_per_try;
- readfds = mask;
+ readfds = svc_fdset;
+#ifdef FD_SETSIZE
+ FD_SET (sock, &readfds);
+#else
+ readfds |= (1 << sock);
+#endif /* def FD_SETSIZE */
if (select (_rpc_dtablesize (), &readfds, (fd_set *) NULL,
(fd_set *) NULL, &timeout) <= 0)
{
if (errno == EINTR)
- {
- continue;
- }
+ continue;
goto fatal_err;
}
+
#ifdef FD_SETSIZE
- }
- while (!FD_ISSET (sock, &readfds));
+ if (FD_ISSET (sock, &readfds))
#else
- }
- while (readfds != mask);
+ if (readfds == mask)
#endif /* def FD_SETSIZE */
- if ((len = read (sock, buf, len)) > 0)
- {
- return len;
+ break;
+
+ svc_getreqset (&readfds);
}
+
+ if ((len = read (sock, buf, len)) > 0)
+ return len;
+
fatal_err:
((struct tcp_conn *) (xprt->xp_p1))->strm_stat = XPRT_DIED;
return -1;