dos2unix cygserver_ipc.h

1 files changed, 71 insertions, 71 deletions

diff --git a/winsup/cygwin/cygserver_ipc.h b/winsup/cygwin/cygserver_ipc.h
index a69dd9c881d..f57a4649d8c 100644
--- a/winsup/cygwin/cygserver_ipc.h
+++ b/winsup/cygwin/cygserver_ipc.h
@@ -1,71 +1,71 @@
-/* cygserver_ipc.h

-

-   Copyright 2002 Red Hat, Inc.

-

-   Originally written by Conrad Scott <conrad.scott@dsl.pipex.com>

-

-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 __CYGSERVER_IPC_H__

-#define __CYGSERVER_IPC_H__

-

-#include <limits.h>		/* For OPEN_MAX. */

-

-/*

- * The sysv ipc id's (msgid, semid, shmid) are small integers arranged

- * such that they no subsystem will generate the same id as some other

- * subsystem, and nor do these ids overlap file descriptors (the other

- * common small integer ids).  Since Cygwin can allocate more than

- * OPEN_MAX file descriptor, it can't be guarenteed not to overlap,

- * but it should help catch some errors.

- *

- * msgid's: OPEN_MAX,     OPEN_MAX + 3, OPEN_MAX + 6, . . .

- * semid's: OPEN_MAX + 1, OPEN_MAX + 4, OPEN_MAX + 7, . . . 

- * shmid's: OPEN_MAX + 2, OPEN_MAX + 5, OPEN_MAX + 8, . . . 

- *

- * Internal ipc id's, which are 0, 1, ... within each subsystem, are

- * used solely by the ipcs(8) interface.

- */

-

-enum ipc_subsys_t {

-  IPC_MSGOP = 0,

-  IPC_SEMOP = 1,

-  IPC_SHMOP = 2,

-  IPC_SUBSYS_COUNT

-};

-

-inline int

-ipc_int2ext (const int id, const ipc_subsys_t subsys)

-{

-  return OPEN_MAX + (id * IPC_SUBSYS_COUNT) + subsys;

-}

-

-inline int

-ipc_ext2int (const int id)

-{

-  return (id - OPEN_MAX) / IPC_SUBSYS_COUNT;

-}

-

-inline int

-ipc_ext2int_subsys (const int id)

-{

-  return (id - OPEN_MAX) % IPC_SUBSYS_COUNT;

-}

-

-inline int

-ipc_inc_id (const int id, const ipc_subsys_t subsys)

-{

-  return id + IPC_SUBSYS_COUNT;

-}

-

-inline int

-ipc_dec_id (const int id, const ipc_subsys_t subsys)

-{

-  return id - IPC_SUBSYS_COUNT;

-}

-

-#endif /* __CYGSERVER_IPC_H__ */

+/* cygserver_ipc.h
+
+   Copyright 2002 Red Hat, Inc.
+
+   Originally written by Conrad Scott <conrad.scott@dsl.pipex.com>
+
+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 __CYGSERVER_IPC_H__
+#define __CYGSERVER_IPC_H__
+
+#include <limits.h>		/* For OPEN_MAX. */
+
+/*
+ * The sysv ipc id's (msgid, semid, shmid) are small integers arranged
+ * such that they no subsystem will generate the same id as some other
+ * subsystem, and nor do these ids overlap file descriptors (the other
+ * common small integer ids).  Since Cygwin can allocate more than
+ * OPEN_MAX file descriptor, it can't be guarenteed not to overlap,
+ * but it should help catch some errors.
+ *
+ * msgid's: OPEN_MAX,     OPEN_MAX + 3, OPEN_MAX + 6, . . .
+ * semid's: OPEN_MAX + 1, OPEN_MAX + 4, OPEN_MAX + 7, . . . 
+ * shmid's: OPEN_MAX + 2, OPEN_MAX + 5, OPEN_MAX + 8, . . . 
+ *
+ * Internal ipc id's, which are 0, 1, ... within each subsystem, are
+ * used solely by the ipcs(8) interface.
+ */
+
+enum ipc_subsys_t {
+  IPC_MSGOP = 0,
+  IPC_SEMOP = 1,
+  IPC_SHMOP = 2,
+  IPC_SUBSYS_COUNT
+};
+
+inline int
+ipc_int2ext (const int id, const ipc_subsys_t subsys)
+{
+  return OPEN_MAX + (id * IPC_SUBSYS_COUNT) + subsys;
+}
+
+inline int
+ipc_ext2int (const int id)
+{
+  return (id - OPEN_MAX) / IPC_SUBSYS_COUNT;
+}
+
+inline int
+ipc_ext2int_subsys (const int id)
+{
+  return (id - OPEN_MAX) % IPC_SUBSYS_COUNT;
+}
+
+inline int
+ipc_inc_id (const int id, const ipc_subsys_t subsys)
+{
+  return id + IPC_SUBSYS_COUNT;
+}
+
+inline int
+ipc_dec_id (const int id, const ipc_subsys_t subsys)
+{
+  return id - IPC_SUBSYS_COUNT;
+}
+
+#endif /* __CYGSERVER_IPC_H__ */