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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.
This commit is contained in:
Corinna Vinschen 2008-04-18 20:30:04 +00:00
parent db5ae61884
commit 70fab4ec71
5 changed files with 34 additions and 40 deletions
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13
winsup/cygwin/ChangeLog
View File

@ -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

8
winsup/cygwin/fhandler.h
View File

@ -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
{

21
winsup/cygwin/fhandler_socket.cc
View File

@ -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)

7
winsup/cygwin/shared_info.h
View File

@ -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;

25
winsup/cygwin/wsa_event.h
View File

@ -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_ */