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authorCorinna Vinschen <corinna@vinschen.de>2008-04-19 00:30:04 +0400
committerCorinna Vinschen <corinna@vinschen.de>2008-04-19 00:30:04 +0400
commit70fab4ec71b3a206b042b6c027c14ad575876b8c (patch)
treef4658b66043149f47658f67c8d68c49a8a868a87
parentdb5ae61884de2a1ecf6fd05ad4e8f3d0b4f530d6 (diff)
Revert thinko in previous patch.
* fhandler.h (struct wsa_event): Move back from wsa_event.h to here. * fhandler_socket.cc (NUM_SOCKS): Ditto. (wsa_events): Move back from cygwin_shared to here. Accommodate throughout. (socket_serial_number): Ditto. * shared_info.h: Accommodate above changes. * wsa_event.h: Remove.
-rw-r--r--winsup/cygwin/ChangeLog13
-rw-r--r--winsup/cygwin/fhandler.h8
-rw-r--r--winsup/cygwin/fhandler_socket.cc21
-rw-r--r--winsup/cygwin/shared_info.h7
-rw-r--r--winsup/cygwin/wsa_event.h25
5 files changed, 34 insertions, 40 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 66559199d..1d4c7fea3 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,6 +1,17 @@
2008-04-18 Corinna Vinschen <corinna@vinschen.de>
- * fhandler.h (-struct wsa_event): Move to wsa_event.h. Include
+ Revert thinko in previous patch.
+ * fhandler.h (struct wsa_event): Move back from wsa_event.h to here.
+ * fhandler_socket.cc (NUM_SOCKS): Ditto.
+ (wsa_events): Move back from cygwin_shared to here. Accommodate
+ throughout.
+ (socket_serial_number): Ditto.
+ * shared_info.h: Accommodate above changes.
+ * wsa_event.h: Remove.
+
+2008-04-18 Corinna Vinschen <corinna@vinschen.de>
+
+ * fhandler.h (struct wsa_event): Move to wsa_event.h. Include
wsa_event.h instead.
* fhandler_socket.cc (NUM_SOCKS): Move to wsa_event.h.
(wsa_events): Move from DLL shared area to cygwin_shared shared
diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 5d421aa17..856f68321 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -394,7 +394,13 @@ class fhandler_mailslot : public fhandler_base
select_record *select_read (select_record *s);
};
-#include "wsa_event.h"
+struct wsa_event
+{
+ LONG serial_number;
+ long events;
+ int connect_errorcode;
+ pid_t owner;
+};
class fhandler_socket: public fhandler_base
{
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index 9f8aa2c6a..e718db097 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -403,9 +403,15 @@ fhandler_socket::af_local_set_secret (char *buf)
/* Maximum number of concurrently opened sockets from all Cygwin processes
per session. Note that shared sockets (through dup/fork/exec) are
counted as one socket. */
+#define NUM_SOCKS (32768 / sizeof (wsa_event))
+
#define LOCK_EVENTS WaitForSingleObject (wsock_mtx, INFINITE)
#define UNLOCK_EVENTS ReleaseMutex (wsock_mtx)
+static wsa_event wsa_events[NUM_SOCKS] __attribute__((section (".cygwin_dll_common"), shared)) = { 0 };
+
+static LONG socket_serial_number __attribute__((section (".cygwin_dll_common"), shared)) = 0;
+
static HANDLE wsa_slot_mtx;
static wsa_event *
@@ -430,11 +436,10 @@ search_wsa_event_slot (LONG new_serial_number)
break;
}
unsigned int slot = new_serial_number % NUM_SOCKS;
- while (cygwin_shared->wsa_events[slot].serial_number)
+ while (wsa_events[slot].serial_number)
{
HANDLE searchmtx = OpenMutex (STANDARD_RIGHTS_READ, FALSE,
- shared_name (searchname, "sock",
- cygwin_shared->wsa_events[slot].serial_number));
+ shared_name (searchname, "sock", wsa_events[slot].serial_number));
if (!searchmtx)
break;
/* Mutex still exists, attached socket is active, try next slot. */
@@ -448,10 +453,10 @@ search_wsa_event_slot (LONG new_serial_number)
return NULL;
}
}
- memset (&cygwin_shared->wsa_events[slot], 0, sizeof (wsa_event));
- cygwin_shared->wsa_events[slot].serial_number = new_serial_number;
+ memset (&wsa_events[slot], 0, sizeof (wsa_event));
+ wsa_events[slot].serial_number = new_serial_number;
ReleaseMutex (wsa_slot_mtx);
- return cygwin_shared->wsa_events + slot;
+ return wsa_events + slot;
}
bool
@@ -464,9 +469,9 @@ fhandler_socket::init_events ()
do
{
new_serial_number =
- InterlockedIncrement (&cygwin_shared->socket_serial_number);
+ InterlockedIncrement (&socket_serial_number);
if (!new_serial_number) /* 0 is reserved for global mutex */
- InterlockedIncrement (&cygwin_shared->socket_serial_number);
+ InterlockedIncrement (&socket_serial_number);
wsock_mtx = CreateMutex (&sec_all, FALSE,
shared_name (name, "sock", new_serial_number));
if (!wsock_mtx)
diff --git a/winsup/cygwin/shared_info.h b/winsup/cygwin/shared_info.h
index bb4982b6e..ea504d2e3 100644
--- a/winsup/cygwin/shared_info.h
+++ b/winsup/cygwin/shared_info.h
@@ -10,7 +10,6 @@ details. */
#include "tty.h"
#include "security.h"
-#include "wsa_event.h"
#include "mtinfo.h"
/* Mount table entry */
@@ -123,9 +122,9 @@ public:
cygwin_version.api_minor)
#define SHARED_VERSION_MAGIC CYGWIN_VERSION_MAGIC (SHARED_MAGIC, SHARED_VERSION)
-#define SHARED_INFO_CB 63912
+#define SHARED_INFO_CB 31144
-#define CURR_SHARED_MAGIC 0x419c874U
+#define CURR_SHARED_MAGIC 0xbc77afb0U
/* NOTE: Do not make gratuitous changes to the names or organization of the
below class. The layout is checksummed to determine compatibility between
@@ -140,8 +139,6 @@ class shared_info
unsigned heap_slop;
DWORD sys_mount_table_counter;
tty_list tty;
- wsa_event wsa_events[NUM_SOCKS];
- LONG socket_serial_number;
LONG last_used_bindresvport;
mtinfo mt;
diff --git a/winsup/cygwin/wsa_event.h b/winsup/cygwin/wsa_event.h
deleted file mode 100644
index c5477431f..000000000
--- a/winsup/cygwin/wsa_event.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* wsa_event.h: type definition of a wsock event storage structure.
-
- Copyright 2008 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#ifndef _WSA_EVENT_H_
-#define _WSA_EVENT_H_
-
-/* All Cygwin processes together can share 2048 sockets. */
-#define NUM_SOCKS (32768 / sizeof (wsa_event))
-
-struct wsa_event
-{
- LONG serial_number;
- long events;
- int connect_errorcode;
- pid_t owner;
-};
-
-#endif /* _WSA_EVENT_H_ */