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authorAndrew Dunstan2012-03-29 03:24:07 +0000
committerAndrew Dunstan2012-03-29 03:24:07 +0000
commitd2c1740dc275543a46721ed254ba3623f63d2204 (patch)
tree569ca1c519c95e750b19a9198a3e1a2f75287378
parent7313cc016344a5705eb3e6916d8c4ea849c57975 (diff)
Remove now redundant pgpipe code.
-rw-r--r--src/backend/port/pipe.c95
-rw-r--r--src/backend/postmaster/syslogger.c8
-rw-r--r--src/bin/pg_basebackup/pg_basebackup.c6
-rw-r--r--src/include/port.h21
-rw-r--r--src/port/exec.c3
-rw-r--r--src/tools/msvc/Mkvcbuild.pm1
6 files changed, 10 insertions, 124 deletions
diff --git a/src/backend/port/pipe.c b/src/backend/port/pipe.c
deleted file mode 100644
index 357f5ecc01..0000000000
--- a/src/backend/port/pipe.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * pipe.c
- * pipe()
- *
- * Copyright (c) 1996-2012, PostgreSQL Global Development Group
- *
- * This is a replacement version of pipe for Win32 which allows
- * returned handles to be used in select(). Note that read/write calls
- * must be replaced with recv/send.
- *
- * IDENTIFICATION
- * src/backend/port/pipe.c
- *
- *-------------------------------------------------------------------------
- */
-
-#include "postgres.h"
-
-#ifdef WIN32
-int
-pgpipe(int handles[2])
-{
- SOCKET s;
- struct sockaddr_in serv_addr;
- int len = sizeof(serv_addr);
-
- handles[0] = handles[1] = INVALID_SOCKET;
-
- if ((s = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not create socket: %ui", WSAGetLastError())));
- return -1;
- }
-
- memset((void *) &serv_addr, 0, sizeof(serv_addr));
- serv_addr.sin_family = AF_INET;
- serv_addr.sin_port = htons(0);
- serv_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
- if (bind(s, (SOCKADDR *) &serv_addr, len) == SOCKET_ERROR)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not bind: %ui", WSAGetLastError())));
- closesocket(s);
- return -1;
- }
- if (listen(s, 1) == SOCKET_ERROR)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not listen: %ui", WSAGetLastError())));
- closesocket(s);
- return -1;
- }
- if (getsockname(s, (SOCKADDR *) &serv_addr, &len) == SOCKET_ERROR)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not getsockname: %ui", WSAGetLastError())));
- closesocket(s);
- return -1;
- }
- if ((handles[1] = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not create socket 2: %ui", WSAGetLastError())));
- closesocket(s);
- return -1;
- }
-
- if (connect(handles[1], (SOCKADDR *) &serv_addr, len) == SOCKET_ERROR)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not connect socket: %ui", WSAGetLastError())));
- closesocket(s);
- return -1;
- }
- if ((handles[0] = accept(s, (SOCKADDR *) &serv_addr, &len)) == INVALID_SOCKET)
- {
- ereport(LOG, (errmsg_internal("pgpipe could not accept socket: %ui", WSAGetLastError())));
- closesocket(handles[1]);
- handles[1] = INVALID_SOCKET;
- closesocket(s);
- return -1;
- }
- closesocket(s);
- return 0;
-}
-
-
-int
-piperead(int s, char *buf, int len)
-{
- int ret = recv(s, buf, len, 0);
-
- if (ret < 0 && WSAGetLastError() == WSAECONNRESET)
- /* EOF on the pipe! (win32 socket based implementation) */
- ret = 0;
- return ret;
-}
-
-#endif
diff --git a/src/backend/postmaster/syslogger.c b/src/backend/postmaster/syslogger.c
index c331dd9de8..a603ab4a38 100644
--- a/src/backend/postmaster/syslogger.c
+++ b/src/backend/postmaster/syslogger.c
@@ -391,9 +391,9 @@ SysLoggerMain(int argc, char *argv[])
}
else if (rc > 0 && FD_ISSET(syslogPipe[0], &rfds))
{
- bytesRead = piperead(syslogPipe[0],
- logbuffer + bytes_in_logbuffer,
- sizeof(logbuffer) - bytes_in_logbuffer);
+ bytesRead = read(syslogPipe[0],
+ logbuffer + bytes_in_logbuffer,
+ sizeof(logbuffer) - bytes_in_logbuffer);
if (bytesRead < 0)
{
if (errno != EINTR)
@@ -487,7 +487,7 @@ SysLogger_Start(void)
#ifndef WIN32
if (syslogPipe[0] < 0)
{
- if (pgpipe(syslogPipe) < 0)
+ if (pipe(syslogPipe) < 0)
ereport(FATAL,
(errcode_for_socket_access(),
(errmsg("could not create pipe for syslog: %m"))));
diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
index 89860852f4..5f37416d51 100644
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -162,7 +162,7 @@ segment_callback(XLogRecPtr segendpos, uint32 timeline)
char xlogend[64];
MemSet(xlogend, 0, sizeof(xlogend));
- r = piperead(bgpipe[0], xlogend, sizeof(xlogend));
+ r = read(bgpipe[0], xlogend, sizeof(xlogend));
if (r < 0)
{
fprintf(stderr, _("%s: could not read from ready pipe: %s\n"),
@@ -270,7 +270,7 @@ StartLogStreamer(char *startpos, uint32 timeline, char *sysidentifier)
#ifndef WIN32
/* Create our background pipe */
- if (pgpipe(bgpipe) < 0)
+ if (pipe(bgpipe) < 0)
{
fprintf(stderr, _("%s: could not create pipe for background process: %s\n"),
progname, strerror(errno));
@@ -1094,7 +1094,7 @@ BaseBackup(void)
fprintf(stderr, _("%s: waiting for background process to finish streaming...\n"), progname);
#ifndef WIN32
- if (pipewrite(bgpipe[1], xlogend, strlen(xlogend)) != strlen(xlogend))
+ if (write(bgpipe[1], xlogend, strlen(xlogend)) != strlen(xlogend))
{
fprintf(stderr, _("%s: could not send command to background pipe: %s\n"),
progname, strerror(errno));
diff --git a/src/include/port.h b/src/include/port.h
index a5e80211b4..37e33c3e2a 100644
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -250,26 +250,7 @@ extern char *pgwin32_setlocale(int category, const char *locale);
/* Portable prompt handling */
extern char *simple_prompt(const char *prompt, int maxlen, bool echo);
-/*
- * WIN32 doesn't allow descriptors returned by pipe() to be used in select(),
- * so for that platform we use socket() instead of pipe().
- * There is some inconsistency here because sometimes we require pg*, like
- * pgpipe, but in other cases we define rename to pgrename just on Win32.
- */
-#ifndef WIN32
-/*
- * The function prototypes are not supplied because every C file
- * includes this file.
- */
-#define pgpipe(a) pipe(a)
-#define piperead(a,b,c) read(a,b,c)
-#define pipewrite(a,b,c) write(a,b,c)
-#else
-extern int pgpipe(int handles[2]);
-extern int piperead(int s, char *buf, int len);
-
-#define pipewrite(a,b,c) send(a,b,c,0)
-
+#ifdef WIN32
#define PG_SIGNAL_COUNT 32
#define kill(pid,sig) pgkill(pid,sig)
extern int pgkill(int pid, int sig);
diff --git a/src/port/exec.c b/src/port/exec.c
index 12be6131f9..24bcd806c0 100644
--- a/src/port/exec.c
+++ b/src/port/exec.c
@@ -496,7 +496,8 @@ pipe_read_line(char *cmd, char *line, int maxsize)
/*
* pclose() plus useful error reporting
* Is this necessary? bjm 2004-05-11
- * It is better here because pipe.c has win32 backend linkage.
+ * Originaally this was stated to be here because pipe.c had backend linkage.
+ * Perhaps that's no longer so now we have got rid of pipe.c amd 2012-03-28
*/
int
pclose_check(FILE *stream)
diff --git a/src/tools/msvc/Mkvcbuild.pm b/src/tools/msvc/Mkvcbuild.pm
index 0b01780ee0..f0fad43fea 100644
--- a/src/tools/msvc/Mkvcbuild.pm
+++ b/src/tools/msvc/Mkvcbuild.pm
@@ -73,7 +73,6 @@ sub mkvcbuild
$postgres->ReplaceFile('src\backend\port\pg_shmem.c','src\backend\port\win32_shmem.c');
$postgres->ReplaceFile('src\backend\port\pg_latch.c','src\backend\port\win32_latch.c');
$postgres->AddFiles('src\port',@pgportfiles);
- $postgres->AddFile('src\backend\port\pipe.c');
$postgres->AddDir('src\timezone');
$postgres->AddFiles('src\backend\parser','scan.l','gram.y');
$postgres->AddFiles('src\backend\bootstrap','bootscanner.l','bootparse.y');