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Per discussion earlier today, here is a fix that lets ereport() on win32

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report socket errors.

Magnus Hagander
This commit is contained in:
Bruce Momjian 2004-04-22 03:51:24 +00:00
parent a4d9d3e028
commit b00d50d365
3 changed files with 42 additions and 3 deletions
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34
src/backend/port/win32/socket.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.1 2004/04/12 16:19:18 momjian Exp $
* $PostgreSQL: pgsql/src/backend/port/win32/socket.c,v 1.2 2004/04/22 03:50:54 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -432,3 +432,35 @@ int pgwin32_select(int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfd
return nummatches;
}
/*
* Return win32 error string, since strerror can't
* handle winsock codes
*/
static char wserrbuf[256];
const char *
pgwin32_socket_strerror(int err)
{
static HANDLE handleDLL = INVALID_HANDLE_VALUE;
if (handleDLL == INVALID_HANDLE_VALUE) {
handleDLL = LoadLibraryEx("netmsg.dll", NULL, DONT_RESOLVE_DLL_REFERENCES | LOAD_LIBRARY_AS_DATAFILE);
if (handleDLL == NULL)
ereport(FATAL,
(errmsg_internal("Failed to load netmsg.dll: %i",(int)GetLastError())));
}
ZeroMemory(&wserrbuf, sizeof(wserrbuf));
if (FormatMessage(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE,
handleDLL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
wserrbuf,
sizeof(wserrbuf)-1,
NULL) == 0) {
/* Failed to get id */
sprintf(wserrbuf,"Unknown winsock error %i",err);
}
return wserrbuf;
}

7
src/backend/utils/error/elog.c
View File

@ -37,7 +37,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.134 2004/04/16 12:59:05 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/error/elog.c,v 1.135 2004/04/22 03:51:09 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1661,6 +1661,11 @@ useful_strerror(int errnum)
static char errorstr_buf[48];
const char *str;
#ifdef WIN32
/* Winsock error code range, per WinError.h */
if (errnum >= 10000 && errnum <= 11999)
return pgwin32_socket_strerror(errnum);
#endif
str = strerror(errnum);
/*

4
src/include/port/win32.h
View File

@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.22 2004/04/19 17:42:59 momjian Exp $ */
/* $PostgreSQL: pgsql/src/include/port/win32.h,v 1.23 2004/04/22 03:51:24 momjian Exp $ */
/* undefine and redefine after #include */
#undef mkdir
@ -139,6 +139,8 @@ int pgwin32_connect(SOCKET s, const struct sockaddr* name, int namelen);
int pgwin32_select(int nfds, fd_set* readfs, fd_set* writefds, fd_set* exceptfds, const struct timeval* timeout);
int pgwin32_recv(SOCKET s, char* buf, int len, int flags);
int pgwin32_send(SOCKET s, char* buf, int len, int flags);
const char *pgwin32_socket_strerror(int err);
#endif