* Makefile.in (DLL_OFILES): Add sigfe.o. Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that. Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup. Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file. Generates def file and sigfe.s file.
* gentls_offsets: New file. Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls. Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file. Autogenerated.
* config/i386/longjmp.c: Remove. File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
* lib/msvfw32.def: New file.
* lib/avicap32.def: New file.
* lib/avifil32.def: New file.
* lib/vfw32.mri: New file.
* Makefile.in: (MRI_FILES, MIMPLIBS): New vars for
import libs with multiple dll's.
(LIBS): Add MIMPLIBS.
(DISTFILES): Add MRI_FILES.
(libvfw32.a): Build using mri script.
set_security_attribute appropriately.
* external.cc (cygwin_internal): Ditto.
* fhandler.cc (fhandler_base::open): Ditto.
* fhandler_socket.cc (fhandler_socket::bind): Ditto.
* path.cc (symlink_worker): Ditto.
* sec_acl.cc (setacl): Ditto. Call read_sd appropriately.
(getace): Ditto.
* sec_helper.cc (security_descriptor::malloc): New method.
(security_descriptor::realloc): New method.
(security_descriptor::free): New method.
* security.cc (read_sd): Get security_descriptor as parameter instead
of PSECURITY_DESCRIPTOR and a size. Drop unnecessary parameter check.
Allocate the security_descriptor buffer according to size returned by
a call to GetFileSecurity. Return buffer size on success.
(write_sd): Get security_descriptor as parameter instead of
PSECURITY_DESCRIPTOR and a size.
(get_nt_attribute): Use local security_descriptor.
(get_nt_object_attribute): Ditto in case of type == SE_REGISTRY_KEY.
Allocate security_descriptor buffer according to size returned by
a call to RegGetKeySecurity.
(alloc_sd): Make static. Get security_descriptor as parameter instead
of PSECURITY_DESCRIPTOR and a size. Drop unnecessary parameter check.
(set_security_attribute): Get security_descriptor as parameter instead
of PSECURITY_DESCRIPTOR and a size.
(set_nt_attribute): Use local security_descriptor.
(check_file_access): Ditto.
* security.h: Add class security_descriptor.
(read_sd): Change declaration to get security_descriptor as parameter
instead of PSECURITY_DESCRIPTOR and a size.
(write_sd): Ditto.
(set_security_attribute): Ditto.
(alloc_sd): Remove declaration.
* thread.cc (semaphore::semaphore): Use local security_descriptor. Call
set_security_attribute appropriately.
(sig_send): Improve debugging output. Wait for pipe to be created before
trying to send to it. Call call_signal_handler_now if sending a signal to
myself.
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.
throughout.
* Makefile.in: Accomodate all new files and name changes.
Add a *.d dependency.
(sbindir): Add.
(etcdir): Drop in favor of more appropriate sysconfdir definition.
(sysconfdir): Add.
(CXXFLAGS): Add -MMD flag. Add SYSCONFDIR definition.
(.SUFFIXES): Add.
(install): Add action items.
(libclean): New target.
(fullclean): Ditto.
* bsd_helper.cc: New file.
* bsd_helper.h: Ditto.
* bsd_log.cc: Ditto.
* bsd_log.h: Ditto.
* bsd_mutex.cc: Ditto.
* bsd_mutex.h: Ditto.
* client.cc: Rearrange to build as less as possible if
__INSIDE_CYGWIN__.
(client_request::handle_request): Add Message Queue and Semaphore
handling.
* cygserver.cc: Rearrange to build as less as possible if
__INSIDE_CYGWIN__. Use new debug/log/panic logging functions.
(DEF_CONFIG_FILE): New definition for configuration file. Use
throughout.
(getfunc): Remove.
(__cygserver__printf): Remove.
(client_request_attach_tty::serve): Return error if impersonation
fails.
(print_usage): Pump up help message.
(print_version): Add output of default configuration file.
(main): Accommodate new options. Allow overwrite of threading options
from config file. Call several new initialization functions. Drop
printing dots. Don't define SIGHANDLE inline.
* cygserver.conf: New file.
* cygserver_process.h: Rename to process.h.
* cygserver_transport.h: Rename to transport.h.
* cygserver_transport_pipes.h: Rename to transport_pipes.h.
* cygserver_transport_sockets.h: Rename to transport_sockets.h.
* msg.cc: Rewrite.
* sem.cc: Rewrite.
* shm.cc: Rewrite.
* sysv_msg.cc: New file, derived from FreeBSD version 1.52.
* sysv_sem.cc: New file, derived from FreeBSD version 1.66.
* sysv_shm.cc: New file, derived from FreeBSD version 1.89.
* threaded_queue.cc: Rearrange to build as less as possible if
__INSIDE_CYGWIN__.
* transport.cc (transport_layer_base::impersonate_client): Define bool.
(transport_layer_base::revert_to_self): Ditto.
* transport.h (transport_layer_base::impersonate_client): Declare bool.
(transport_layer_base::revert_to_self): Ditto.
* transport_pipes.cc (transport_layer_pipes::transport_layer_pipes):
Don't call init_security.
(init_security): Remove.
(transport_layer_pipes::accept): Use global sec_all_nih.
(transport_layer_pipes::connect): Ditto.
(transport_layer_pipes::impersonate_client): Define bool.
(transport_layer_pipes::revert_to_self): Ditt.
* transport_pipes.h (transport_layer_pipes::impersonate_client): Declare
bool.
(transport_layer_pipes::revert_to_self): Ditto.
* woutsup.h: Include bsd compatibility headers.
(SIGHANDLE): Add definition.
(__cygserver__printf): Remove definition.
(__noop_printf): Ditto.
(debug_printf): Define using debug.
(syscall_printf): Define using log.
(system_printf): Ditto.
Drop all other _printf definitions.
Christopher Faylor
Danny Smith
Corinna Vinschen