merge from the autoconf2 branch to the main branch

(This used to be commit 3bda7ac417107a7b01d91805ca71c4330657ed21)

5 files changed, 21 insertions, 62 deletions

diff --git a/source3/locking/locking.c b/source3/locking/locking.c
index e4ca6bbb04..e303fb5482 100644
--- a/source3/locking/locking.c
+++ b/source3/locking/locking.c
@@ -88,7 +88,7 @@ BOOL is_locked(int fnum,int cnum,uint32 count,uint32 offset, int lock_type)
    * Note that most UNIX's can *test* for a write lock on
    * a read-only fd, just not *set* a write lock on a read-only
    * fd. So we don't need to use map_lock_type here.
-   */ 
+   */
 
   return(fcntl_lock(fsp->fd_ptr->fd,F_GETLK,offset,count,lock_type));
 }
@@ -161,13 +161,10 @@ BOOL locking_init(int read_only)
 
 #ifdef FAST_SHARE_MODES
 	share_ops = locking_shm_init(read_only);
-	if (!share_ops) {
-		DEBUG(0,("ERROR: Failed to initialise fast share modes - trying slow code\n"));
-	}
-	if (share_ops) return True;
-#endif	
-
+#else
 	share_ops = locking_slow_init(read_only);
+#endif
+
 	if (!share_ops) {
 		DEBUG(0,("ERROR: Failed to initialise share modes!\n"));
 		return False;
diff --git a/source3/locking/locking_shm.c b/source3/locking/locking_shm.c
index afca567033..43a927e14c 100644
--- a/source3/locking/locking_shm.c
+++ b/source3/locking/locking_shm.c
@@ -32,9 +32,10 @@
    October 1997 - split into separate file (tridge)
 */
 
+#include "includes.h"
+
 #ifdef FAST_SHARE_MODES
 
-#include "includes.h"
 extern int DEBUGLEVEL;
 extern connection_struct Connections[];
 extern files_struct Files[];
@@ -678,13 +679,15 @@ struct share_ops *locking_shm_init(int ronly)
 {
 	read_only = ronly;
 
-#ifdef USE_SYSV_IPC
+#ifdef HAVE_SYSV_IPC
 	shmops = sysv_shm_open(read_only);
 	if (shmops) return &share_ops;
 #endif
 
+#ifdef HAVE_SHARED_MMAP
 	shmops = smb_shm_open(read_only);
 	if (shmops) return &share_ops;
+#endif
 
 	return NULL;
 }
@@ -692,7 +695,7 @@ struct share_ops *locking_shm_init(int ronly)
 #else
  int locking_shm_dummy_procedure(void)
 {return 0;}
-#endif
+#endif /* FAST_SHARE_MODES */
 
 
 
diff --git a/source3/locking/locking_slow.c b/source3/locking/locking_slow.c
index 183acd1f44..1f8f962ac9 100644
--- a/source3/locking/locking_slow.c
+++ b/source3/locking/locking_slow.c
@@ -33,6 +33,9 @@
 */
 
 #include "includes.h"
+
+#ifndef FAST_SHARE_MODES
+
 extern int DEBUGLEVEL;
 extern connection_struct Connections[];
 extern files_struct Files[];
@@ -504,17 +507,8 @@ mode file %s (%s)\n", fname, strerror(errno)));
       return 0;
     }
     /* Now truncate the file at this point. */
-#ifdef FTRUNCATE_NEEDS_ROOT
-    become_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
     if(ftruncate(fd, newsize)!= 0)
     {
-
-#ifdef FTRUNCATE_NEEDS_ROOT
-      unbecome_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
       DEBUG(0,("ERROR: get_share_modes: failed to ftruncate share \
 mode file %s to size %d (%s)\n", fname, newsize, strerror(errno)));
       if(*old_shares)
@@ -526,10 +520,6 @@ mode file %s to size %d (%s)\n", fname, newsize, strerror(errno)));
     }
   }
 
-#ifdef FTRUNCATE_NEEDS_ROOT
-      unbecome_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
   if(buf)
     free(buf);
 
@@ -670,27 +660,14 @@ mode file %s (%s)\n", fname, strerror(errno)));
   }
 
   /* Now truncate the file at this point. */
-#ifdef FTRUNCATE_NEEDS_ROOT
-  become_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
   if(ftruncate(fd, newsize) != 0)
   {
-
-#ifdef FTRUNCATE_NEEDS_ROOT
-    unbecome_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
     DEBUG(0,("ERROR: del_share_mode: failed to ftruncate share \
 mode file %s to size %d (%s)\n", fname, newsize, strerror(errno)));
     if(buf)
       free(buf);
     return;
   }
-
-#ifdef FTRUNCATE_NEEDS_ROOT
-  unbecome_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
 }
   
 /*******************************************************************
@@ -825,17 +802,8 @@ deleting it (%s).\n",fname, strerror(errno)));
 
   /* Now truncate the file at this point - just for safety. */
 
-#ifdef FTRUNCATE_NEEDS_ROOT
-  become_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
   if(ftruncate(fd, header_size + (SMF_ENTRY_LENGTH*num_entries))!= 0)
   {
-
-#ifdef FTRUNCATE_NEEDS_ROOT
-    unbecome_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
     DEBUG(0,("ERROR: set_share_mode: failed to ftruncate share \
 mode file %s to size %d (%s)\n", fname, header_size + (SMF_ENTRY_LENGTH*num_entries), 
                 strerror(errno)));
@@ -844,10 +812,6 @@ mode file %s to size %d (%s)\n", fname, header_size + (SMF_ENTRY_LENGTH*num_entr
     return False;
   }
 
-#ifdef FTRUNCATE_NEEDS_ROOT
-  unbecome_root(False);
-#endif /* FTRUNCATE_NEEDS_ROOT */
-
   if(buf)
     free(buf);
 
@@ -1093,3 +1057,7 @@ struct share_ops *locking_slow_init(int ronly)
 
 	return &share_ops;
 }
+#else
+ int locking_slow_dummy_procedure(void)
+{return 0;}
+#endif /* !FAST_SHARE_MODES */
diff --git a/source3/locking/shmem.c b/source3/locking/shmem.c
index 21aaa9e24f..48f78d2a5b 100644
--- a/source3/locking/shmem.c
+++ b/source3/locking/shmem.c
@@ -23,7 +23,7 @@
 #include "includes.h"
 
 
-#ifdef FAST_SHARE_MODES
+#ifdef HAVE_SHARED_MMAP
 
 
 extern int DEBUGLEVEL;
@@ -874,7 +874,7 @@ struct shmem_ops *smb_shm_open(int ronly)
 }
 
 
-#else /* FAST_SHARE_MODES */
+#else /* HAVE_SHARED_MMAP */
  int shmem_dummy_procedure(void)
 {return 0;}
-#endif /* FAST_SHARE_MODES */
+#endif /* HAVE_SHARED_MMAP */
diff --git a/source3/locking/shmem_sysv.c b/source3/locking/shmem_sysv.c
index 3466930f4c..0809e0546f 100644
--- a/source3/locking/shmem_sysv.c
+++ b/source3/locking/shmem_sysv.c
@@ -23,7 +23,7 @@
 #include "includes.h"
 
 
-#ifdef USE_SYSV_IPC
+#ifdef HAVE_SYSV_IPC
 
 extern int DEBUGLEVEL;
 
@@ -542,15 +542,6 @@ struct shmem_ops *sysv_shm_open(int ronly)
 	int i;
 	int pid;
 
-
-
-#ifdef LINUX
-	if (sizeof(shm_ds) == 52) {
-		DEBUG(0,("WARNING: You probably have a broken set of glibc2 include files - disabling sysv shared memory\n"));
-		return NULL;
-	}
-#endif
-
 	read_only = ronly;
 
 	shm_size = lp_shmem_size();