* Throughout, use __try/__except/__endtry blocks, rather than myfault

handler.
	* cygtls.cc (_cygtls::remove): Accommodate the fact that pathbufs
	has been moved from _local_storage to _cygtls.
	* cygtls.h (class tls_pathbuf): Add comment to hint to gendef usage
	of counters.  Change type of counters to uint32_t for clarity.
	Remove _cygtls as friend class.
	(struct _local_storage): Move pathbufs from here...
	(struct _cygtls): ...to here, allowing to access it from _sigbe.
	(class san): Only define on 32 bit.  Remove errno, _c_cnt and _w_cnt
	members.
	(san::setup): Drop parameter.  Don't initialize removed members.
	(san::leave): Don't set removed members.
	(class myfault): Only define on 32 bit.
	(myfault::faulted): Only keep implementation not taking any parameter.
	Drop argument in call to sebastian.setup.
	(__try/__leave/__except/__endtry): Implement to support real SEH.  For
	now stick to SJLJ on 32 bit.
	* dcrt0.cc (dll_crt0_0): Drop 64 bit call to
	exception::install_myfault_handler.
	* exception.h (exception_handler): Define with EXCEPTION_DISPOSITION
	as return type.
	(PDISPATCHER_CONTEXT): Define as void * on 32 bit.  Define as pointer
	to _DISPATCHER_CONTEXT on 64 bit.
	(class exception): Define separately for 32 and 64 bit.
	(exception::myfault): Add handler for myfault SEH handling on 64 bit.
	(exception::exception): Fix mangled method name to account for change
	in type of last parameter.
	(exception::install_myfault_handler): Remove.
	* exceptions.cc (exception::myfault_handle): Remove.
	(exception::myfault): New SEH handler for 64 bit.
	* gendef (_sigbe): Set tls_pathbuf counters to 0 explicitely when
	returning to the caller.
	* ntdll.h: Move a comment to a better place.
	(struct _SCOPE_TABLE): Define on 64 bit.
	* thread.cc (verifyable_object_isvalid): Remove gcc 4.7 workaround.
	* tls_pbuf.cc (tls_pbuf): Fix to accommodate new place of pathbufs.
	(tls_pathbuf::destroy): Change type of loop variables to uint32_t.
	* tls_pbuf.h (class tmp_pathbuf): Change type of buffer counters to
	uint32_t.  Accommodate new place of pathbufs.
	* tlsoffsets.h: Regenerate.
	* tlsoffsets64.h: Regenerate.
This commit is contained in:
Corinna Vinschen
2014-08-22 09:21:33 +00:00
parent 33ed7bb5bc
commit 3f3bd10104
41 changed files with 6383 additions and 5924 deletions

View File

@ -1,6 +1,6 @@
/* msg.cc: XSI IPC interface for Cygwin.
Copyright 2002, 2003, 2004, 2005, 2008, 2009 Red Hat, Inc.
Copyright 2002, 2003, 2004, 2005, 2008, 2009, 2014 Red Hat, Inc.
This file is part of Cygwin.
@ -91,38 +91,40 @@ client_request_msg::client_request_msg (int msqid,
extern "C" int
msgctl (int msqid, int cmd, struct msqid_ds *buf)
{
syscall_printf ("msgctl (msqid = %d, cmd = %y, buf = %p)",
msqid, cmd, buf);
myfault efault;
if (efault.faulted (EFAULT))
return -1;
switch (cmd)
syscall_printf ("msgctl (msqid = %d, cmd = %y, buf = %p)", msqid, cmd, buf);
__try
{
case IPC_STAT:
break;
case IPC_SET:
break;
case IPC_RMID:
break;
case IPC_INFO:
break;
case MSG_INFO:
break;
default:
syscall_printf ("-1 [%d] = msgctl ()", EINVAL);
set_errno (EINVAL);
return -1;
switch (cmd)
{
case IPC_STAT:
break;
case IPC_SET:
break;
case IPC_RMID:
break;
case IPC_INFO:
break;
case MSG_INFO:
break;
default:
syscall_printf ("-1 [%d] = msgctl ()", EINVAL);
set_errno (EINVAL);
__leave;
}
client_request_msg request (msqid, cmd, buf);
if (request.make_request () == -1 || request.retval () == -1)
{
syscall_printf ("-1 [%d] = msgctl ()", request.error_code ());
set_errno (request.error_code ());
if (request.error_code () == ENOSYS)
raise (SIGSYS);
__leave;
}
return request.retval ();
}
client_request_msg request (msqid, cmd, buf);
if (request.make_request () == -1 || request.retval () == -1)
{
syscall_printf ("-1 [%d] = msgctl ()", request.error_code ());
set_errno (request.error_code ());
if (request.error_code () == ENOSYS)
raise (SIGSYS);
return -1;
}
return request.retval ();
__except (EFAULT) {}
__endtry
return -1;
}
extern "C" int
@ -147,19 +149,22 @@ msgrcv (int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg)
syscall_printf ("msgrcv (msqid = %d, msgp = %p, msgsz = %ld, "
"msgtyp = %d, msgflg = %y)",
msqid, msgp, msgsz, msgtyp, msgflg);
myfault efault;
if (efault.faulted (EFAULT))
return -1;
client_request_msg request (msqid, msgp, msgsz, msgtyp, msgflg);
if (request.make_request () == -1 || request.rcvval () == -1)
__try
{
syscall_printf ("-1 [%d] = msgrcv ()", request.error_code ());
set_errno (request.error_code ());
if (request.error_code () == ENOSYS)
raise (SIGSYS);
return -1;
client_request_msg request (msqid, msgp, msgsz, msgtyp, msgflg);
if (request.make_request () == -1 || request.rcvval () == -1)
{
syscall_printf ("-1 [%d] = msgrcv ()", request.error_code ());
set_errno (request.error_code ());
if (request.error_code () == ENOSYS)
raise (SIGSYS);
__leave;
}
return request.rcvval ();
}
return request.rcvval ();
__except (EFAULT) {}
__endtry
return -1;
}
extern "C" int
@ -167,17 +172,20 @@ msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
{
syscall_printf ("msgsnd (msqid = %d, msgp = %p, msgsz = %ld, msgflg = %y)",
msqid, msgp, msgsz, msgflg);
myfault efault;
if (efault.faulted (EFAULT))
return -1;
client_request_msg request (msqid, msgp, msgsz, msgflg);
if (request.make_request () == -1 || request.retval () == -1)
__try
{
syscall_printf ("-1 [%d] = msgsnd ()", request.error_code ());
set_errno (request.error_code ());
if (request.error_code () == ENOSYS)
raise (SIGSYS);
return -1;
client_request_msg request (msqid, msgp, msgsz, msgflg);
if (request.make_request () == -1 || request.retval () == -1)
{
syscall_printf ("-1 [%d] = msgsnd ()", request.error_code ());
set_errno (request.error_code ());
if (request.error_code () == ENOSYS)
raise (SIGSYS);
__leave;
}
return request.retval ();
}
return request.retval ();
__except (EFAULT) {}
__endtry
return -1;
}