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-rw-r--r--winsup/cygwin/shared.cc58
1 files changed, 37 insertions, 21 deletions
diff --git a/winsup/cygwin/shared.cc b/winsup/cygwin/shared.cc
index fb023e725..71255da8c 100644
--- a/winsup/cygwin/shared.cc
+++ b/winsup/cygwin/shared.cc
@@ -27,9 +27,8 @@ details. */
cygwin_version.api_minor)
shared_info NO_COPY *cygwin_shared = NULL;
-
-/* The handle of the shared data area. */
-HANDLE cygwin_shared_h = NULL;
+mount_info NO_COPY *mount_table = NULL;
+HANDLE cygwin_mount_h = NULL;
/* General purpose security attribute objects for global use. */
SECURITY_ATTRIBUTES NO_COPY sec_none;
@@ -49,15 +48,24 @@ shared_name (const char *str, int num)
return buf;
}
-/* Open the shared memory map. */
-static void __stdcall
-open_shared_file_map ()
+static void
+mount_table_init ()
{
- cygwin_shared = (shared_info *) open_shared ("shared",
- cygwin_shared_h,
- sizeof (*cygwin_shared),
- (void *)0xa000000);
- ProtectHandle (cygwin_shared);
+ void *addr = mount_table_address;
+ debug_printf ("opening mount table for '%s' at %p", cygheap->user.name (),
+ mount_table_address);
+ mount_table = (mount_info *) open_shared (cygheap->user.name (),
+ cygwin_mount_h, sizeof (mount_info),
+ addr);
+ ProtectHandle (cygwin_mount_h);
+
+ debug_printf ("mount table version %x at %p", mount_table->version, mount_table);
+ if (!mount_table->version)
+ {
+ mount_table->version = MOUNT_VERSION;
+ debug_printf ("initializing mount table");
+ mount_table->init (); /* Initialize the mount table. */
+ }
}
void * __stdcall
@@ -99,9 +107,9 @@ open_shared (const char *name, HANDLE &shared_h, DWORD size, void *addr)
}
if (!shared)
- api_fatal ("MapViewOfFileEx, %E. Terminating.");
+ api_fatal ("MapViewOfFileEx '%s'(%p), %E. Terminating.", name, shared_h);
- debug_printf ("name %s, shared %p, h %p", name, shared, shared_h);
+ debug_printf ("name %s, shared %p (wanted %p), h %p", name, shared, addr, shared_h);
/* FIXME: I couldn't find anywhere in the documentation a note about
whether the memory is initialized to zero. The code assumes it does
@@ -124,9 +132,6 @@ shared_info::initialize ()
return;
}
- /* Initialize the mount table. */
- mount.init ();
-
/* Initialize the queue of deleted files. */
delqueue.init ();
@@ -155,16 +160,28 @@ shared_info::initialize ()
void __stdcall
shared_init ()
{
- open_shared_file_map ();
-
+ HANDLE shared_h = cygheap ? cygheap->shared_h : NULL;
+ cygwin_shared = (shared_info *) open_shared ("shared",
+ shared_h,
+ sizeof (*cygwin_shared),
+ cygwin_shared_address);
+ if (!cygheap)
+ cygheap_init ();
+
+ mount_table_init ();
+
+ cygheap->shared_h = shared_h;
+ ProtectHandle (cygheap->shared_h);
cygwin_shared->initialize ();
}
void __stdcall
shared_terminate ()
{
- if (cygwin_shared_h)
- ForceCloseHandle (cygwin_shared_h);
+ if (cygheap->shared_h)
+ ForceCloseHandle (cygheap->shared_h);
+ if (cygwin_mount_h)
+ ForceCloseHandle (cygwin_mount_h);
}
unsigned
@@ -292,4 +309,3 @@ sec_user_nih (PVOID sa_buf, PSID sid2)
{
return sec_user (sa_buf, sid2, FALSE);
}
-