Commit Graph

5 Commits

Author SHA1 Message Date
Corinna Vinschen 6e623e9320 Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option
Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause.

Everything else stays under GPLv3+.

New Linking Exception exempts resulting executables from LGPLv3 section 4.

Add CONTRIBUTORS file to keep track of licensing.

Remove 'Copyright Red Hat Inc' comments.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2016-06-23 10:09:17 +02:00
Christopher Faylor bc837d22f3 Throughout, update copyrights to reflect dates which correspond to main-branch
checkins.  Regularize copyright format.
2013-01-21 04:38:31 +00:00
Corinna Vinschen a6df500f7d * cygserver.h (client_request::request_code_t): Add
CYGSERVER_REQUEST_MSG and CYGSERVER_REQUEST_SEM.
	(admininstrator_group_sid): Add extern declaration.
	* cygserver_ipc.h: Rewrite.
	* cygserver_msg.h: New file.
	* cygserver_sem.h: New file.
	* cygserver_shm.h: More or less rewrite.
	* cygwin.din: Add msgctl, msgget, msgrcv, msgsnd, semctl, semget and
	semop.
	* msg.cc: Rewrite.
	* safe_memory.h: Remove.
	* sem.cc: Rewrite.
	* shm.cc: Rewrite.
	* include/cygwin/ipc.h: Use appropriate guard.
	(struct ipc_perm): Add seq.
	(IPCID_TO_IX): New define from BSD.
	(IPCID_TO_SEQ): Ditto.
	(IXSEQ_TO_IPCID): Ditto.
	(IPC_R): Ditto.
	(IPC_W): Ditto.
	(IPC_M): Ditto.
	* include/cygwin/msg.h: Use appropriate guard. #ifdef _KERNEL all stuff
	not explicitely defined by SUSv3. Use signed types in structs to match
	types used in BSD.
	(msgqnum_t): Define unsigned.
	(msglen_t): Ditto.
	(struct msqid_ds): Add msg_first and msg_last.
	(struct msginfo): Remove msgpool. Add msgssz and msgseg.
	* include/cygwin/sem.h: Use appropriate guard. #ifdef _KERNEL all stuff
	not explicitely defined by SUSv3. Use signed types in structs to match
	types used in BSD.
	(SEM_UNDO): Define appropriately.
	(struct semid_ds): Add sem_base.
	(struct seminfo): Add semmap and semusz.
	(SEM_A): New define from BSD.
	(SEM_R): Ditto.
	(SEM_ALLOC): Ditto.
	(union semun): Define.
	* include/cygwin/shm.h: Use appropriate guard. #ifdef _KERNEL all stuff
	not explicitely defined by SUSv3. Use signed types in structs to match
	types used in BSD.
	(SHMLBA): Define using cygwin_internal(CW_GET_SHMLBA) call.
	(struct shmid_ds): Add shm_internal.
	(struct shm_info): Rename shm_ids to used_ids as in BSD.  Add define
	for shm_ids.
	* include/cygwin/sysproto.h: New file.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/ipc.h: New file.
	* include/sys/msg.h: New file.
	* include/sys/queue.h: New file from BSD.
	* include/sys/sem.h: New file.
	* include/sys/shm.h: New file.
	* include/sys/sysproto.h: New file.
2003-11-19 18:50:23 +00:00
Christopher Faylor 85b995d4f1 Use cygwin_{shm,ipc}.h instead of /sys/{shm,ipc}.h throughout.
* sys/ipc.h: Remove.
* sys/shm.h: Remove.
* cygwin_ipc.h: New file.
* cygwin_shm.h: New file.
2002-06-23 22:56:58 +00:00
Robert Collins f449bfef40 2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* Merged cygwin_daemon into head minus the new shm and ipc exports.

2002-02-28  Robert Collins  <rbtcollins@hotmail.com>

	* fhandler_tty.cc (fhandler_tty_slave::open): More debugging.
	(fhandler_tty_slave::read): Fix printf type for the handle.
	* tty.cc (tty::common_init): Add a FIXME for security.

2002-01-29  Robert Collins  <rbtcollins@hotmail.com>

	* Makefile.in (OBJS): Remove duplicate localtime.o.

2002-01-17  Robert Collins  <rbtcollins@hotmail.com>

	* cygserver.cc (check_and_dup_handle): Consolidate the two variants for
	simplicity.
	Add Some basic debug output.
	(client_request_attach_tty::serve): Use the new debug_printf for clarity.
	Mark the duplicated handles as inheritable - fixup_after_fork() doesn't reopen
	tty's.

2002-01-16  Robert Collins  <rbtcollins@hotmail.com>

	* cygserver.cc (transport): Correct scope.
	(client_request_attach_tty::serve): Add more debug information.
	Fix erroneous use of transport instead of conn.
	* cygserver_transport_pipes.cc (transport_layer_pipes::close): More debug.
	(transport_layer_pipes::read): Ditto.
	(transport_layer_pipes::write): Ditto.
	(transport_layer_pipes::impersonate_client): Ditto.

Mon Oct  8  7:41:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* cygserver.cc (server_request::process): Rename client_request_shm_get to
	client_request_shm.
	* cygserver_process.cc (process_cache::add): Rename to add_task.
	Use process_cleanup instead of process_request.
	(process_cache::remove_process): New method.
	(process::process): Initialize new members.
	(process::~process): New member.
	(process::cleanup): New method.
	(process::add_cleanup_routine): New method.
	(process_request::process): Rename to process_cleanup.
	Call the process object's cleanup method and then delete it.
	(process_process_param::request_loop): Remove the signalling process.
	* cygserver_shm.cc: Globally rename client_request_shm_get to client_request_shm.
	(client_request_shm_get::serve): Handle attach request counting.
	* cygserver_shm.h: Globally rename client_request_shm_get to client_request_shm.
	(class shm_cleanup): New class.
	* shm.cc: Globally rename client_request_shm_get to client_request_shm.
	(client_request_shm::client_request_shm): New constructor for attach requests.
	(shmat): Use it.
	* include/cygwin/cygserver_process.h (class process_request): Rename to
	process_cleanup.
	(class cleanup_routine): New class.
	(class process): New members and methods to allow calling back when the process
	terminates.

Thu Oct  4 14:12:00 2001  Robert Collins <rbtcollins@hotmail.com>
	* cygserver.cc (request_loop): Make static.
	(main): Use new cache constructor syntax.
	Start cache worker threads.
	Cleanup the cache at shutdown.
	* cygserver_process.cc: Run indent.
	(process_cache::process_cache): Add a trigger to use when adding a process.
	(process_cache::process): Move process_entry to process.
	Insert at the end of the list.
	Trigger the request loop when new process's inserted.
	(process_cache::process_requests): Do it.
	(process_cache::add): New method.
	(process_cache::handle_snapshot): New method.
	(process::process): Merge in the process_entry fields.
	(process::handle): Make a stub function.
	(process::exit_code): New method.
	(process_request::process): New method.
	(process_process_param::request_loop): New method.
	* cygserver_shm.cc: New header dependency - threaded_queue.h.
	* threaded_queue.cc (threaded_queue::cleanup): Clearer messages.
	(queue_process_param::stop): Short spinlock on interruptible threads.
	* threaded_queue.h (class threaded_queue): New constructor.
	* include/cygwin/cygserver_process.h (process_request): New class.
	(process_entry): Remove.
	(process): Merge in process_entry.
	(process_cache): Inherit from threaded_queue.

Tue Oct  2 23:24:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* cygserver.cc (class server_process_param): Use new constructor syntax.
	* cygserver_process.cc (process_cache::~process_cache): New function.
	* threaded_queue.cc: Define condition debug_printf.
	Run indent.
	(threaded_queue::cleanup): Move queue_process_param guts to a method.
	(threaded_queue::process_requests): Ditto.
	(queue_process_param::queue_process_param): New method.
	(queue_process_param::~queue_process_param): Ditto.
	(queue_process_param::start): Ditto.
	(queue_process_param::stop): Ditto.
	* threaded_queue.h (class queue_process_param): Add support for
	interruptible request loops.
	* cygwin/include/cygwin/cygserver_process.h (class process_cache): Add
	destructor.

Tue Oct  2 23:24:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* cygserver_client.cc: New flag allow_daemon to disable the daemon completely.
	(cygserver_request): Check it.
	(cygserver_init): Ditto.
	* environ.cc (parse_thing): Add (no)daemon option.

Tue Oct  2 23:00:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* shm.cc: Update to handle include changes from HEAD.

Tue Oct  2 16:06:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* Makefile.in: Remove cygserver_shm.o from cygwin1.dll.
	Rename cygserver_shm_outside.o to cygserver_shm.o.
	* cygserver.cc (server_request::process): Use the new client_request
	constructor.
	* cygserver_client.cc: Remove the #ifdef's stubs for the server method
	within cygwin.
	(client_request_attach_tty::client_request_attach_tty): Use the new
	client_request constructor.
	(client_request_shutdown::client_request_shutdown): Ditto.
	(client_request::client_request): Ditto.
	* cygserver_shm.cc (client_request_shm_get::serve): Remove the
	#ifdef'd stub for in-cygwin builds.
	(client_request_shm_get::client_request_shm_get): Use the new
	client_request constructor, and remove the in-cygwin variants.
	* cygserver_shm.h (class client_request_shm_get): #ifndef test the
	serve method - it's only used in cygserver.
	* shm.cc (client_request_shm_get::client_request_shm_get): New function.
	* include/cygwin/cygserver.h (request_header): New constructor.
	(class client_request): Use it.
	New constructor accepting the header size.
	#ifndef test the server method - it's only used within cygserver.
	(client_request_get_version): #ifdef test the server method.
	(client_request_shutdown): Ditto.
	(client_request_attach_tty): Ditto.

Tue Oct  2  9:57:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* Makefile.in: add threaded_queue.o to cygserver.exe.
	* cygserver.cc: Include threaded_queue.h
	(class server_request): Inherit from queue_request.
	(class server_process_param): Inherit from queue_process_param.
	(class server_request_queue): Inherit from threaded_queue.
	(request_loop): Adjust for new types.
	(server_request_queue::process_requests): Remove guts to
	threaded_queue::process_requests.
	(server_request::server_request): Adjust for new types.
	(worker_function): Delete.
	(server_request_queue::create_workers): Delete.
	(server_request_queue::cleanup): Delete.
	(server_request_queue::add): Move guts to threaded_queue::add.
	* threaded_queue.cc: New file.
	* threaded_queue.h: New file.

Mon Oct  1 12:38:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* cygserver.cc (client_request::serve): New function.
	* cygserver_process.cc: Inlude <pthread.h> for pthread_once.
	(process_cache::process_cache): Initialise a crtiical section for write access.
	(process_cache::process): Use the critical section. Also add missing entries to
	the cache.
	(do_process_init): New function to initalise class process static variables.
	(process::process): Ensure that the process access critical section is
	initialised.
	(process::handle): Close the handle of old process's when they have terminated
	and we are returning the handle for a process with the same pid.
	* cygserver_shm.cc: Run indent.
	Include cygserver_process.h to allow process cache functionality.
	(client_request_shm_get::serve): New parameter for process cache support.
	Use the process cache, not OpenProcess to get a handle to the originating process.
	Fix a handle leak with token_handle.
	* cygserver_shm.h (class client_request_shm_get): Update ::serve for process
	cache support.
	* cygserver_transport_pipes.cc: Redefine debug_printf to be conditional on DEBUG.
	* include/cygwin/cygserver.h: Do not implement client_request::serve in the
	header.
	* include/cygwin/cygserver_process.h (class process_cache): Add a write access
	critical section to prevent races when requests from a  multithreaded
	application arrive.

Sun Sep 30 23:41:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* Makefile.in: Add cygserver_process.o to cygserver.exe.
	* cygserver.cc: Include signal.h and cygwin_version.h.
	Define debug_printf as a macro.
	Define DEBUG to a value.
	(client_request_attach_tty::serve): Add beginning of process cache support.
	Change from #ifdef DEBUG to work with new DEBUG style.
	(client_request_get_version::serve): Add beginning of process cache support.
	(class server_request): New prototype for support of process cache.
	(class queue_process_param): New class to allow request loop threading.
	(class server_request_queue): Add beginning of process cache support.
	Allow request loop threading.
	(request_loop): Thread function for request loops.
	(server_request_queue::process_requests): Initiator for threaded request loops.
	(client_request_shutdown::serve): Add beginning of process cache support.
	(server_request::server_request): Ditto.
	(server_request::process): Use debug_printf. Add beginning of process cache
	support.
	(server_request_queue::cleanup): Kill off any request loop threads.
	(server_request_queue::add): Add beginning of process cache support.
	(handle_signal): Trigger a shutdown.
	(main): Print out some useful info at startup - version, date time.
	Add process cache support.
	Spawn a separate thread for the transport request loop, thus allowing concurrent
	support for multiple transports.
	* cygserver_client.cc (client_request_get_version::serve): Add process cache
	support.
	(client_request_attach_tty::serve): Add process cache support.
	(client_request_shutdown::serve): Add process cache support.
	* cygsserver_process.cc: New file with the process cache support.
	* cygserver_shm.cc: Redefine debug_printf to allow conditional output.
	* cygwin.din: Export shmdt().
	* shm.cc: Run indent.
	Update FIXME's.
	(shmdt): New function.
	* include/cygwin/cygserver.h (class client_request): Add process cache support.
	(class client_request_get_version): Ditto.
	(class client_request_shutdown): Ditto.
	(class client_request_attach_tty): Ditto.
	* include/cygwin/cygserver_process.h: New header for process cache support.

Sun Sep 30  8:52:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* include/cygwin/cygserver_transport.h: Add copyright header.
	* include/cygwin/cygserver_transport_pipes.h: Ditto.
	* include/cygwin/cygserver_transport_sockets.h: Ditto.

Sat Sep 29 20:40:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* Makefile.in: Add cygserver_transport_sockets.o to DLL_OFILES.
	Add cygserver_transport_sockets_outside.o to cygserver.exe.
	* cygserver.cc: Include new include files.
	* cygserver_client.cc: Ditto.
	* cygserver_shm.h: No need to include <sys/socket.h> now.
	* cygerver_transport.cc: Include new include files.
	(transport_layer_base::transport_layer_base): Strip back to a stub.
	(transport_layer_base::listen): Ditto.
	(transport_layer_base::accept): Ditto.
	(transport_layer_base::close): Ditto.
	(transport_layer_base::read): Ditto.
	(transport_layer_base::write): Ditto.
	(transport_layer_base::connect): Ditto.
	* cygserver_transport_pipes.cc: Include new header
	"cygwin/cygserver_transport_pipes.h".
	* cygserver_transport_sockets.cc: New file.
	* dcrt0.cc: No need to include <sys/socket.h> now.
	* fhandler_tty.cc: Ditto.
	* tty.cc: Ditto.
	* include/cygwin/cygserver_transport.h: Strip the base class to a stub.
	Remove the cygserver_transport_pipes class.
	* include/cygwin/cygserver_transport_pipes.h: New file.
	* include/cygwin/cygserver_transport_sockets.h: New file.

Tue Sep 25 16:22:00 2001  Robert Collins <rbtcollins@hotmail.com>

	* autoload.cc: Add dynamic load statement for 'ImpersonateNamedPipeClient'.
	* Makefile.in: Add new object files, and build instructions for cygserver.exe.
	* cygwin.din: Export ftok, shmat, shmctl and shmget.
	* dcrt0.cc: Additional includes for cygserver support.
	(dll_crt0_1): Initialise the cygserver client.
	* fhandler.h (fhandler_tty): New method cygserver_attach_tty.
	* fhandler_tty.cc: Additional includes for cygserver support.
	(fhandler_tty_slave::open): Attempt to use the cygserver when obtaining
	handles from the parent process. On failure or 9x use the current method.
	(fhandler_tty_slave::cygserver_attach_tty): New function.
	* fork.cc (fork_child): Fixup shm memory mapped areas.
	* pinfo.h: Declare fixup_shms_after_fork().
	* security.h: Declare alloc_sd().
	* tty.cc: Additonal includes to support cygserver.
	(tty::common_init): Don't allow others to open us if the cygserver is running.
	* winsup.h: Declare cygserver_running.
	* cygserver.cc: New file.
	* cygserver_client.cc: New file.
	* cygserver_shm.cc: New file.
	* cygserver_shm.h: New file.
	* cygserver_transport.cc: New file.
	* cygserver_transport_pipes.cc: New file.
	* ipc.cc: New file.
	* shm.cc: New file.
	* include/cygwin/cygserver.h: New file.
	* include/cygwin/cygserver_transport.h: New file.
	* include/sys/ipc.h: New file.
	* include/sys/shm.h: New file.

2002-02-28  Robert Collins  <rbtcollins@hotmail.com>

	* thread.cc (semaphore::TryWait): Set errno as required by posix 1003.1.
	(__sem_wait): Ditto.
	(__sem_trywait): Ditto.
2002-02-28 14:30:38 +00:00