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Diffstat (limited to 'winsup/cygserver/sem.cc')
-rw-r--r--winsup/cygserver/sem.cc107
1 files changed, 0 insertions, 107 deletions
diff --git a/winsup/cygserver/sem.cc b/winsup/cygserver/sem.cc
deleted file mode 100644
index 37d894ef9..000000000
--- a/winsup/cygserver/sem.cc
+++ /dev/null
@@ -1,107 +0,0 @@
-/* sem.cc: Single unix specification IPC interface for Cygwin.
-
- Copyright 2003, 2004 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. */
-
-#ifdef __OUTSIDE_CYGWIN__
-#include "woutsup.h"
-
-#include <errno.h>
-#include <pthread.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#include "cygserver.h"
-#include "process.h"
-#include "transport.h"
-
-#include "cygserver_ipc.h"
-#include "cygserver_sem.h"
-
-client_request_sem::client_request_sem ()
- : client_request (CYGSERVER_REQUEST_SEM,
- &_parameters, sizeof (_parameters))
-{
-}
-
-void
-client_request_sem::serve (transport_layer_base *const conn,
- process_cache *const cache)
-{
- if (msglen () != sizeof (_parameters.in))
- {
- syscall_printf ("bad request body length: expecting %lu bytes, got %lu",
- sizeof (_parameters), msglen ());
- error_code (EINVAL);
- msglen (0);
- return;
- }
- if (support_semaphores == TUN_FALSE)
- {
- syscall_printf ("Semaphore support not started");
- error_code (ENOSYS);
- _parameters.out.ret = -1;
- msglen (sizeof (_parameters.out));
- return;
- }
- process *const client = cache->process (_parameters.in.ipcblk.cygpid,
- _parameters.in.ipcblk.winpid,
- _parameters.in.ipcblk.signal_arrived);
- if (!client)
- {
- error_code (EAGAIN);
- msglen (0);
- return;
- }
- if (!conn->impersonate_client ())
- {
- client->release ();
- error_code (EACCES);
- msglen (0);
- return;
- }
- if (!adjust_identity_info (&_parameters.in.ipcblk))
- {
- client->release ();
- conn->revert_to_self ();
- error_code (EACCES);
- msglen (0);
- return;
- }
- /* Early revert_to_self since IPC code runs in kernel mode. */
- conn->revert_to_self ();
- /* sysv_sem.cc takes care of itself. */
- client->release ();
- thread td = { client, &_parameters.in.ipcblk, {-1, -1} };
- int res;
- switch (_parameters.in.semop)
- {
- case SEMOP_semctl:
- res = semctl (&td, &_parameters.in.ctlargs);
- break;
- case SEMOP_semget:
- res = semget (&td, &_parameters.in.getargs);
- break;
- case SEMOP_semop:
- res = semop (&td, &_parameters.in.opargs);
- break;
- default:
- res = ENOSYS;
- td.td_retval[0] = -1;
- break;
- }
- /* Allocated by the call to adjust_identity_info(). */
- if (_parameters.in.ipcblk.gidlist)
- free (_parameters.in.ipcblk.gidlist);
- error_code (res);
- _parameters.out.ret = td.td_retval[0];
- msglen (sizeof (_parameters.out));
-}
-#endif /* __OUTSIDE_CYGWIN__ */