sysv_shmem.c patch is to correct a bug that prevents the postmaster

recovering from an unexpected backend termination.

The remaining patches are to allow whitespace in db/install directory
names.

Claudio Natoli

diff --git a/src/backend/port/sysv_shmem.c b/src/backend/port/sysv_shmem.c
index 1c03fe4866b4df56a8b0c4004244b4cf018eabf1..1aca81f68b8b96528d14c438b9c1b14054afa178 100644 (file)
--- a/src/backend/port/sysv_shmem.c
+++ b/src/backend/port/sysv_shmem.c
@@ -10,7 +10,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *   $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.33 2004/04/19 17:42:58 momjian Exp $
+ *   $PostgreSQL: pgsql/src/backend/port/sysv_shmem.c,v 1.34 2004/05/06 19:23:25 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -250,7 +250,7 @@ PGSharedMemoryCreate(uint32 size, bool makePrivate, int port)
 
 #ifdef EXEC_BACKEND
    /* If Exec case, just attach and return the pointer */
-   if (UsedShmemSegAddr != NULL && !makePrivate)
+   if (UsedShmemSegAddr != NULL && !makePrivate && IsUnderPostmaster)
    {
        void* origUsedShmemSegAddr = UsedShmemSegAddr;
 

diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index 1267acbbcbe7bfd06dcd866e4fb5034927d328f3..65a37fd6a38b0001a03ddd3ad4d16611dfb447aa 100644 (file)
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -13,7 +13,7 @@
  *
  * Copyright (c) 2001-2003, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.67 2004/04/19 17:42:58 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.68 2004/05/06 19:23:25 momjian Exp $
  * ----------
  */
 #include "postgres.h"
@@ -485,11 +485,10 @@ pgstat_forkexec(STATS_PROCESS_TYPE procType)
    snprintf(pgstatBuf[bufc++],MAXPGPATH,"%d",MaxBackends);
 
    /* + the pstat file names, and postgres pathname */
-   /* FIXME: [fork/exec] whitespaces in directories? */
-   snprintf(pgstatBuf[bufc++],MAXPGPATH,"%s",pgStat_tmpfname);
-   snprintf(pgstatBuf[bufc++],MAXPGPATH,"%s",pgStat_fname);
-   snprintf(pgstatBuf[bufc++],MAXPGPATH,"%s",pg_pathname);
-   snprintf(pgstatBuf[bufc++],MAXPGPATH,"%s",DataDir);
+   snprintf(pgstatBuf[bufc++],MAXPGPATH,"\"%s\"",pgStat_tmpfname);
+   snprintf(pgstatBuf[bufc++],MAXPGPATH,"\"%s\"",pgStat_fname);
+   snprintf(pgstatBuf[bufc++],MAXPGPATH,"\"%s\"",pg_pathname);
+   snprintf(pgstatBuf[bufc++],MAXPGPATH,"\"%s\"",DataDir);
 
    /* Add to the arg list */
    Assert(bufc <= lengthof(pgstatBuf));

diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 3cbd40f3db63914fc2be994e389a643132189cb5..1d781d0bb5afb2b346fcceeabeb2c76e30700e85 100644 (file)
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -37,7 +37,7 @@
  *
  *
  * IDENTIFICATION
- *   $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.381 2004/04/19 17:42:58 momjian Exp $
+ *   $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.382 2004/05/06 19:23:25 momjian Exp $
  *
  * NOTES
  *
@@ -2741,8 +2741,7 @@ Backend_forkexec(Port *port)
 
    /* Format up context to pass to exec'd process */
    snprintf(buf[bufc++],MAXPGPATH,"%lu",tmpBackendFileNum);
-   /* FIXME: [fork/exec] whitespaces in directories? */
-   snprintf(buf[bufc++],MAXPGPATH,"%s",DataDir);
+   snprintf(buf[bufc++],MAXPGPATH,"\"%s\"",DataDir);
 
    /* Add to the arg list */
    Assert(bufc <= lengthof(buf));
@@ -3039,6 +3038,7 @@ SSDataBase(int xlop)
 #endif
 #else
    char        idbuf[32];
+   char        ddirbuf[MAXPGPATH];
 #endif
 
    fflush(stdout);
@@ -3097,8 +3097,9 @@ SSDataBase(int xlop)
 
 #ifdef EXEC_BACKEND
        /* pass data dir before end of secure switches (-p) */
+       snprintf(ddirbuf, MAXPGPATH, "\"%s\"", DataDir);
        av[ac++] = "-D";
-       av[ac++] = DataDir;
+       av[ac++] = ddirbuf;
 
        /* and the backend identifier + dbname */
        snprintf(idbuf, sizeof(idbuf), "-p%lu,template1", tmpBackendFileNum);
@@ -3490,7 +3491,7 @@ pid_t win32_forkexec(const char* path, char *argv[])
    HANDLE waiterThread;
 
    /* Format the cmd line */
-   snprintf(cmdLine,sizeof(cmdLine),"%s",path);
+   snprintf(cmdLine,sizeof(cmdLine),"\"%s\"",path);
    i = 0;
    while (argv[++i] != NULL)
    {