changelog-1996

cygwin, 著名的在win32下模拟unix操作系统的东东

	* pinfo.cc (pinfo::clearout): Reset strace_mask_ptr.

	* shared.cc (open_shared_file_map): Add debugging message.

Fri Jul  5 15:36:48 1996  Doug Evans  <[e-mail]>

	* exceptions.cc (sig_func_ptr): New typedef.
	(__stack_trace): Make i386 and ppc formats the same.
	(sigfunc): Use sig_func_ptr.
	(call_handler): Likewise.  All callers updated.
	(__cygwin_exception_handler): Handle exceptions before dll has
	fully initialized.  Only call dump_status once, like __stack_trace.
	(really_exit): Call _exit, not exit.

	* hinfo.cc: Add copyright.
	* uinfo.cc: Likewise.

	* passwd.c: Whitespace cleanup.
	(search_for): Make static.

	* pinfo.cc (pinfo_list::init): Delete call to clearout vec[0].
	(pinfo::clearout): Reset more fields.
	(pinfo_list::get_empty_pinfo): Delete printing of error messages
	if table is full.

	* shared.cc (open_shared_file_map): Mark shared map as not inherited.

	* signal.cc (signal): Delete (void *) coersion of result.
	(usleep): Convert microseconds to milliseconds.  Delete second copy.
	(_raise): Use _sig_func_ptr.

	* syscalls.h: Delete #include mntent.h, sys/types.h, string.h,
	stdio.h, setjmp.h, stdlib.h, signal.h, sys/strace.h, unistd.h,
	ctype.h, fcntl.h.
	* winsup.h: #include sys/types.h, sys/strace.h, setjmp.h, signal.h,
	string.h, windows.h.
	* All necessary files updated.

	* winsup.h (class pinfo): Delete member localtime_buf.
	* times.cc (corelocaltime): Use static local for localtime_buf.

	* winsup.h (class pinfo): Rename the_pid to pid.  All uses updated.
	Delete handle_valid_p, unused. Rename __sig_mask to sig_mask.

Thu Jul  4 14:36:01 1996  Doug Evans  <[e-mail]>

	* shared.h: Deleted.  All files updated.
	* winsup.h: shared.h contents moved here.
	* Makefile.in (WINSUP_H): Update.

	* heap.cc: Renamed from pproc.cc.
	(heap_init): Renamed from per_process::init.
	In forkee initialization, ensure memory being reserved is at same
	address as parent's.  Commit forkee memory in one chunk.
	(_sbrk): Moved here,
	* syscalls.cc (_sbrk): From here.
	* Makefile.in (DLL_OFILES): Update.
	* dcrt0.cc (dll_crt0_1): Call heap_init instead of u->init.
	* winsup.h (class per_process): Delete member `init'.

	* dcrt0.cc (recur): Delete.
	(dos_argv_to_unix_argv): Delete.

	* delqueue.cc: Delete #include of delqueue.h, winerror.h
	* winsup.h: #include delqueue.h.

	* exceptions.cc (ctrl_c_handler): Only require 13 ^c's to quit task.

	* fork.cc (fork_mutex,forkee_stopped,forker_stopped): New static
	globals, were in class_shared info.
	(fork_init,fork_terminate): New functions.
	(prepare_child,cygwin_fork_helper1): Update.
	(cygwin_fork_helper1): If fork disabled, return EAGAIN.
	Delete unnecessary resetting of forkee_stopped event.
	* winsup.h (fork_init,fork_terminate): Declare them.
	* dcrt0.cc (dll_crt0_1): Call fork_init.
	(_exit): Call fork_terminate.
	* shared.c (shared_info::initialize): Delete init of fork stuff.

	* shared.c (h): New static global, was in class shared_info.
	(shared_info::terminate): Delete, move contents into shared_terminate.

	* strace.cc (flush_p): New static global.
	(strace_init): Don't clobber u->strace_mask if _STRACE_INHERIT set.
	(__sys_printf): Only flush buffers if _STRACE_FLUSH.
	* include/sys/strace.h (_STRACE_FLUSH,_STRACE_INHERIT): Define.
	Reorganize bitmasks.

	* utils/ps.cc (main): Make output prettier.

Wed Jul  3 12:30:24 1996  Doug Evans  <[e-mail]>

	* utils/Makefile.in (mount,umount,ps,kill): Rewrite rules.
	(PROGS): Add cygwin.
	(cygwin): New target.
	(install): Install all of $(PROGS).
	* utils/cygwin.cc: New file.

	* pinfo.cc (pinfo_init_per_process): PID environment variable handling
	moved here.  Delete setting of u->parent.  Set strace_mask_ptr.
	Set invoked_by_cygwin_p appropriately.
	(vfork_init): Delete, unused.
	(pinfo::init_self): Delete setting of root_p.
	(pinfo::terminate): root_p renamed to invoked_by_cygwin_p.
	* winsup.h (class per_process): Delete initial_pid, no longer used.
	(class pinfo): Add strace_mask_ptr.
	* fork.cc (cygwin_fork_helper1): Update.

	* winsup.h (class per_process): Delete trace_file, trace_mutex.
	Rename estrace to strace_mask.
	(system_printf): Declare.
	* strace.cc (strace_init): Renamed from per_process::strace_init.
	Don't open trace file unless strace environment variable set.
	Open trace file with FILE_SHARE_READ so others can read trace file
	while tracing in progress.  Print error if $strace too big.
	(strace_file, strace_mutex): New static globals.
	(__sys_printf): Don't do anything if strace file not opened.
	(system_printf): New function.
	* pproc.cc (per_process::init): Delete call to strace_init.
	* dcrt0 (dll_crt0_1): Call strace_init as soon as possible.
	
	* dcrt0 (dll_crt0_1): Delete local can_glob, use
	u->self->invoked_by_cygwin_p instead.
	Move PID environment variable handling into pinfo_init_per_process.
	Delete setting of u->self->in_bash.
	Delete watching for bash.
	* winsup.h (class pinfo): Delete in_bash.

	* exceptions.cc (*): Call system_printf, not __sys_printf.

	* shared.h (class shared_info): Delete pp, unused.

	* syscalls.cc (isatty): Replace ttyname with is_tty.

	* winsup.h (registry_init_once_only): Delete, unused.
	(stdout_handle,file_handle_from_fd): Likewise.
	(CHILD_P,child_p,ALL_FS,loadup_dll,cygwin_s): Likewise.
	(unmixedcaseify): Prototype moved to path.h.
	* path.h (unmixedcaseify): Declare.

	* fork.cc (FORK_WAIT_TIMEOUT, WAIT_ERROR_RC): Define.
	(find_exec_1): Don't search PATH if directory present (not only if
	absolute path).  Search "." before searching PATH.
	(copy): Return boolean indicating success.  All callers updated.
	(prepare_child): Simplify.  Check return code of WaitForSingleObject.
	Don't wait an infinite amount of time.
	(cygwin_fork_helper1): Simplify.
	Check return code of WaitForSingleObject.
	Don't wait an infinite amount of time.
	Check return code of copy.
	Disable code to Suspend/Resume child thread a second time.

	* winsup.h (class per_process): Make initial_sp a char *.
	* libccrt0.cc (cygwin_crt0): Update.

	* path.cc (path_conv): If name too long, set path to bogus value.

	* include/winkernel.h (WriteProcessMemory): Fix prototype.

	* include/sys/strace.h: Add extern "C" ifdef __cplusplus.
	(_STRACE): Delete.
	* dirsearch.cc (rewinddir): Use syscall_printf.

Tue Jul  2 14:44:18 1996  Doug Evans  <[e-mail]>

	* wait.cc (WAIT_ERROR_RC): Use it instead of ALL_FS.
	(wait_found): New argument `options'.  If GetExitCodeProcess fails,
	ensure `result' contains something reasonable.
	(wait_for_single): Check whether `c' is NULL before dereferencing it.
	(wait_for_any): Add some comments.  Delete unnecessary gotos.
	(waitpid): Print message if called with intpid == 0.

Sat Jun 29 10:49:28 1996  Doug Evans  <[e-mail]>

	* dirsearch.cc (readdir): Clean up syscall tracing.
	Mixed case handling temporarily disabled.

Wed Jun 26 11:54:27 1996  Jason Molenda  ([e-mail])

	* Makefile.in (bindir, libdir, datadir, infodir, includedir):
	Use autoconf-set values.
	(docdir): Removed.
	(install-info): Add.
	* configure.in (AC_PREREQ): autoconf 2.5 or higher.
	* configure: Rebuilt.
	* glob/configure.in (AC_PREREQ): autoconf 2.5 or higher.
	* glob/configure: Rebuilt.
	* utils/Makefile.in (bindir, exec_prefix): Use autoconf-set values.
	* utils/configure.in (AC_PREREQ): autoconf 2.5 or higher.
	* utils/configure: Rebuilt.

Tue Jun 25 17:48:56 1996  Doug Evans  <[e-mail]>

	* include/sys/param.h (PATH_MAX,MAXPATHLEN): Change from 1024 to 259.
	(BIG_ENDIAN,LITTLE_ENDIAN,BYTE_ORDER): Define.

Mon Jun 24 16:35:48 1996  Mark Eichin  <[e-mail]>

	* fhandler.cc (read): Replace the old broken igncr code (which has
	been disabled for a while anyway) with code that checks for
	ENABLE_LINE_INPUT and replace only \r\n with \n.

Mon Jun 24 00:12:22 1996  Doug Evans  <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Convert argv[0] to posix style if necessary.

Sun Jun 23 17:21:41 1996  Doug Evans  <[e-mail]>

	* version.h (CYGWIN_DLL_VERSION_MINOR): Bump up to 2.

	* fork.cc (perhaps_suffix): Simplify.
	(find_exec_1): Likewise.  Always try appending .exe first.
	(cygwin_fork_helper1): Clean up (lots more needed still).
	Test for split heap before calling CreateProcess.
	No longer call find_exec, now done at start up.
	* dcrt0.cc (dll_crt0_1): Call find_exec to expand argv[0].

	* path.cc (conv_path_list_buf_size): New function.
	(cygwin32_{win32,posix}_to_{posix,win32}_path_list_buf_size): Ditto.
	(conv_path_list): Ditto.
	(cygwin32_{win32,posix}_to_{posix,win32}_path_list): Ditto.
	* cygwin.din: Export them.

	* misc.c (small_printf): Delete.
	(vhangup): Set errno.

	* syscalls.cc (isatty): Print syscall trace message even if error.

	* console.cc (*): Check return codes of win32 api calls.

	* syscalls.cc (chmod): Set errno of SetFileAttributes fails.
	Fix call to syscall_printf.

Thu Jun 20 00:43:52 1996  Doug Evans  <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Save full program name.
	* fork.cc (cygwin_fork_helper1): Always call find_exec.

	* path.cc (normalize_{posix,win32}_path): Fix edge case handling.
	(path_conv::path_conv): Ensure path is \-ified if win32 path rules.

	* spawn.cc (spawn_guts): Set errno if CreateProcess fails.

Wed Jun 19 00:18:03 1996  Doug Evans  <[e-mail]>

	* path.h (PATH_RULES macros): Delete.  Use ones in unistd.h.
	(enum path_rules_enum): Deleted.  All uses updated.
	(path_conv): Rename member get_native to get_win32.  All uses updated.
	(*win32_path*): Renamed from *native_path*.
	* path.cc (*win32_path*): Renamed from *native_path*.
	(mount_info::posix_path_p): Prepend '_' to PATH_RULES.
	Fix returning of cached value.
	(slash_drive_prefix_p, build_slash_drive_prefix): New functions.
	(mount_info::posix_path_to_win32_path): /.<letter>. is a drive spec.
	(path_conv::path_conv): Likewise.
	(mount_info::win32_path_to_posix_path): Convert unknown drives to
	/.<letter>.  Normalize win32_path.
	(normalize_win32_path): New functions.
	(getcwd_inner): New arg `posix_p'.  All callers updated.
	* shared.cc (shared_info::initialize): Prepend '_' to PATH_RULES.
	_PATH_RULES_NATIVE -> _PATH_RULES_WIN32.
	* spawn.cc (*win32_path*): Renamed from *native_path*.
	* dcrt0.cc: Likewise.
	* cygwin.din: Likewise.

	* Makefile.in (WINSUP_H): Add shared.h

	* smallprint.c (rn): Make static.

	* sysconf.cc: Renamed from sysconf.c.
	(sysconf): Support _SC_PATH_RULES.

	* screen.c: Deleted.
	* Makefile.in (DLL_OFILES): Delete screen.o.

	* fork.cc (cygwin_fork_helper): Don't pass 0 from longjmp to setjmp.

	* path.h (class mount_info): Update posix_path_to_native_path member.
	* path.cc (path_prefix_p): Rewrite.
	New arg `len'.  All callers updated.
	(mount_info::binary_native_path_p): Call path_prefix_p.
	(path_conv::path_conv): Pass full_path to binary_native_path_p.
	(mount_info::posix_path_to_native_path): Delete arg keep_rel_p.
	New arg full_native_path.  All callers updated.  Don't call
	getcwd_inner if unnecessary.  Rewrite relative path handling.
	(mount_info::native_path_to_posix_path): Call path_prefix_p.
	Call slashify on `pathbuf', not original argument.

	* syscalls.cc (chdir): Fix lifetime of converted path.

Tue Jun 18 11:48:51 1996  Doug Evans  <[e-mail]>

	* configure.in (EXE_LDFLAGS): Explicitly link with newlib if necessary.
	* configure: Regenerated.
	* Makefile.in (EXE_LDFLAGS): Define.
	(FLAGS_TO_PASS): Add EXE_LDFLAGS.
	(config.status): New target.
	(utils-all): Depend on $(LIBNAME).
	* utils/Makefile.in (EXE_LDFLAGS): Define.
	(mount,umount,ps,kill): Link with $(EXE_LDFLAGS).

	* version.h (CYGWIN_DLL_VERSION_MINOR): Bump up to 1.

Mon Jun 17 18:29:54 1996  Doug Evans  <[e-mail]>

	Improve pathname handling, first pass.
	* path.h (symlink): Renamed from link_cookie.
	(class path_conv): New member error.
	(path_conv::get_native): Renamed from get_dos, all uses updated.
	(path_conv::get_binary): Delete.
	(mount_info::{mangle,reverse_mangle}): Delete.
	(mount_item::posix_path_to_native_path): Renamed from mangle.
	(mount_info::native_path_to_posix_path): Renamed from reverse_mangle.
	(path_rules_enum): Define.
	* path.cc: Temporarily disable mixed-case and symlink handling.
	(mount_info::posix_path_p): New function.
	(mount_info::binary_native_path_p): Renamed from binary_dos_path_p.
	(path_conv::path_conv): Handle native path rules.
	(mount_item::{mangle,reverse_mangle}): Delete.
	(mount_info::posix_path_to_native_path): Renamed from mangle.
	(mount_info::native_path_to_posix_path): Renamed from reverse_mangle.
	(mount_info::from_registry): Set nmounts.  Use MAX_PATH.
	(mount_info::{add,del}_item): Rewrite.
	(slashify): Renamed from flip_slash.
	(getcwd_inner): Make static.  Don't convert to posix path if using
	native path rules.
	(file_exists): Delete.
	(addmntent,hasmntopt): Delete.
	(mount): Only update registry if mount succeeded.
	(umount): Only update registry if umount succeeded.
	(normalize_posix_path): Renamed from normalize_path.  Pass in cwd.
	(cygwin32_{posix,native}_path_to_{native,posix}_path_keep_rel): Renamed
	from ...{unix/dos}....
	* dcrt0.cc (dos_argv_to_unix_argv): #ifdef out.
	(dll_crt0_1): Don't call it.
	* fhandler.cc (fhandler_base::open): Temporarily disable symlinks.
	* shared.cc (open_shared_file_map): New function.
	(shared_init): Call it.
	(shared_info::initialize): Fetch `path_rules' from registry.
	* shared.h (inited): Make private.
	(path_rules): New member.