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* Port to glibc 2.24 (pre-release) + ppc64...Inspired by a suggestion by Florian Weimer in: https://sourceware.org/ml/libc-alpha/2016-07/msg00425.html * configure.ac (HAVE_PERSONALITY_ADDR_NO_RANDOMIZE): Rename from HAVE_PERSONALITY_LINUX32, and check for ADDR_NO_RANDOMIZE (the crucial thing) instead of for LINUX32. All uses changed. * src/emacs.c (main) [HAVE_PERSONALITY_ADDR_NO_RANDOMIZE]: Use ADDR_NO_RANDOMIZE from personality.h rather than inventing the flag ourselves. Just set that flag, rather than also setting the persona. When doing it, avoid functions like putenv that may allocate memory. Paul Eggert2016-07-151-1/+1
* Prefer getsockopt to getpeername on non-MS-Windows...* admin/CPP-DEFINES: Remove HAVE_GETPEERNAME. * configure.ac: Don’t check for getpeername. * src/process.c (wait_reading_process_output) [!WINDOWSNT]: Use getsockopt even if not GNU/Linux, as the platforms where getsockopt used to hang are no doubt long dead. Paul Eggert2016-06-091-1/+0
* Assume getaddrinfo in C code...* admin/CPP-DEFINES, configure.ac: Remove HAVE_GETADDRINFO, HAVE_H_ERRNO. All uses removed. * doc/lispref/processes.texi (Network, Network Processes), etc/NEWS: Say that port numbers can be integer strings. * lib-src/pop.c (h_errno) [!WINDOWSNT && !HAVE_H_ERRNO]: Remove decl. (socket_connection): Assume HAVE_GETADDRINFO. * lisp/mpc.el (mpc--proc-connect): * lisp/net/network-stream.el (open-network-stream): It’s now OK to use integer strings as port numbers. * src/process.c (conv_numerical_to_lisp) [!HAVE_GETADDRINFO]: Remove. (Fmake_network_process): Assume HAVE_GETADDRINFO. Paul Eggert2016-03-071-2/+0
* Remove support for IRIX...The IRIX port wasn’t really working anyway, and the code was getting in the way of other changes (e.g., getaddrinfo fixes). IRIX’s supplier dropped support for IRIX in 2013. * admin/CPP-DEFINES: * configure.ac (opsys): * doc/lispref/os.texi (System Environment): * etc/MACHINES, etc/PROBLEMS: * lisp/find-dired.el (find-grep-options): * lisp/lpr.el (lpr-lp-system): * lisp/ls-lisp.el (ls-lisp-emulation): * lisp/mail/rmail.el (rmail-spool-directory): * lisp/net/net-utils.el (ping-program-options): * lisp/progmodes/gud.el (gud-irix-p, gud-dbx-use-stopformat-p): * lisp/progmodes/ps-mode.el (ps-mode-print-function): * src/conf_post.h [IRIX6_5]: * src/emacs.c (Vsystem_type): * src/filelock.c (get_boot_time_1): * src/process.c (process_send_signal): * src/unexelf.c (unexec): Omit IRIX-specific code and/or documentation. * configure.ac (NON_GCC_TEST_OPTIONS, IRIX6_5, PREFER_VSUSP): Remove. All uses removed. * etc/NEWS: Document the change. Paul Eggert2016-03-071-2/+0
* Stop calling res_init...Emacs shouldn’t need to call res_init any more, now that nscd or equivalent is everywhere. On modern systems, calling res_init simply slows Emacs down. On ancient systems lacking nscd Emacs will still work well enough with this change; it’s just that it won’t respond to changes in /etc/resolv.conf. * configure.ac (HAVE_RES_INIT): Remove. Worry about -lresolv only when configured --with-hesiod. Hesiod is still used; see, e.g.: https://soylentnews.org/meta/article.pl?sid=15/07/13/0255214 * src/Makefile.in (LIBRESOLV): Remove. All uses removed. Paul Eggert2016-02-291-1/+0
* Assume !BROKEN_NON_BLOCKING_CONNECT...From a suggestion by Eli Zaretskii in: http://lists.gnu.org/archive/html/emacs-devel/2015-03/msg00824.html * process.c (NON_BLOCKING_CONNECT): Simplify by assuming that BROKEN_NON_BLOCKING_CONNECT is not defined. (SELECT_CAN_DO_WRITE_MASK): Remove, and assume it's now true. Paul Eggert2015-03-271-1/+0
* Merge branch 'emacs-24'...Conflicts: nt/addsection.c nt/inc/ms-w32.h src/w32.c Ted Zlatanov2014-11-261-1/+2
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| * Define MINGW_W64 and use it instead of _W64...... for detecting MinGW-w64. _W64 is not specific of MinGW-w64, it is defined for compatibility with MS VC++. * nt/inc/ms-w32.h: Define MINGW_W64. * admin/CPP-DEFINES: Mention MINGW_W64. * nt/addpm.c: Use it. * nt/addsection.c: Use it. * nt/preprep.c: Use it. * src/w32.c: Use MINGW_W64 instead of _W64 * src/w32term.c: Likewise. Oscar Fuentes2014-11-171-1/+2
* | Fix putenv race conditions with undefined behavior....Do all putenv calls before Emacs creates any threads. Use a safer way to modify the TZ environment variable in the presence of multiple threads. For further thread-safety, prefer localtime_r and gmtime_r to localtime and gmtime, and prefer struct tm's tm_gmtoff (if available) to calling both localtime_r and gmtime_r. * configure.ac (LOCALTIME_CACHE): Remove. We needn't worry about SunOS 4 any more; Sun dropped support in 2003. All uses of LOCALTIME_CACHE removed. This simplifies the fix. (tzalloc): Add check for this function. * admin/merge-gnulib (GNULIB_MODULES): Add time_r, since Emacs now calls localtime_r and gmtime_r directly. * src/dbusbind.c (Fdbus__init_bus): Move xputenv call from here ... (init_dbusbind): ... to this new function. * src/emacs.c (main) [HAVE_DBUS]: Call it before creating threads. * src/xterm.c (x_term_init): Move xputenv call from here ... (init_xterm): ... to this new function. * src/emacs.c (main) [USE_GTK]: Call it before creating threads. * src/editfns.c (HAVE_TM_GMTOFF): Default to false. (dump_tz_string): New constant. (init_editfns): Use it. This centralizes the dump_tz stuff. Call set_time_zone_rule here, so that its xputenv is done before Emacs goes multithreaded. (mktime_z) [!HAVE_TZALLOC]: New function, which is typically thread-safe enough for Emacs. (format_time_string, Fdecode_time, Fcurrent_time_string) (Fcurrent_time_zone): Prefer localtime_r and gmtime_r, which are more thread-safe, to localtime and gmtime. Remove now-unnecessary calls to block_input. (tm_gmtoff): New static function. (Fdecode_time, Fcurrent_time_zone): Use it. (Fencode_time): Use mktime_z, for better thread-safety. (set_time_zone_rule): Now static. Rewrite to be mostly thread-safe, i.e., not quite thread-safe but good enough for Emacs typical usage. Do not reclaim storage that is in the environment; let it leak. Always call tzset, since localtime_r does not. * src/emacs.c (dump_tz, Fdump_emacs) [HAVE_TZSET]: Remove dump_tz stuff. This is now done in init_editfns. * src/systime.h (mktime_z, timezone_t, tzalloc, tzfree) [!HAVE_TZALLOC]: New macros and declarations, for platforms lacking tzalloc & friends. Fixes: debbugs:8705 Paul Eggert2014-10-111-1/+0
* | Remove DATA_SEG_BITS....The DATA_SEG_BITS hack was needed for older 32 bit platforms. As a result of this change, Emacs won't work on IRIX 6.5 with IRIX cc, but that platform is so old that SGI itself stopped supporting it in December 2013. If you still need Emacs on IRIX, please either compile with GCC and port the undumping code, or run './configure --with-wide-int'. * configure.ac (DATA_SEG_BITS): Remove. All uses removed. * src/alloc.c (gdb_make_enums_visible): Update to match lisp.h. * src/lisp.h (GCTYPEBITS): Move definition up, and switch to the DEFINE_GDB_SYMBOL_START way to define it. (NONPOINTER_BITS): New macro. (EMACS_INT): Use it. [!USE_LSB_TAG && !WIDE_EMACS_INT]: Fail, and suggest reporting the problem and/or configuring --with-wide-int. (USE_LSB_TAG): Simplify, based on above changes. (gdb_DATA_SEG_BITS): Remove. All uses removed. * src/vm-limit.c (exceeds_lisp_ptr): Remove. All uses removed. Paul Eggert2014-04-161-1/+0
* | Clean up configure-time library handling a bit....This patch was inspired by emacs-24 2014-04-09T13:37:49Z!sdl.web@gmail.com, which fixed a bug due to sloppy library handling in 'configure'. * configure.ac (LIB_MATH, LIB_PTHREAD, LIBXMU): Use AC_SEARCH_LIBS instead of AC_CHECK_LIB as per Autoconf manual. (LIB_MATH, LIB_PTHREAD, HAVE_X11, IMAGEMAGICK_LIBS, GTK_LIBS) (DBUS_LIBS, LIBXMU, XFT_LIBS, LIBXSM, LIBXML2_LIBS, LIBS_MAIL) (with_kerberos): Don't let the library choice infect $LIBS. (dnet_ntoa, cma_open): Remove obsolete tests. (emacs_pthread_function): Probe for pthread_kill, not pthread_self, as that's a bit more selective on GNU/Linux. (LIBXEXT): Remove. (touchlock): Test for existence when $LIBS_MAIL is in use. (AC_CHECK_FUNCS): Use only $LIB_MATH in addition to $LIBS when testing for typical functions like accept4, lrand48. (random, rint): Remove obsolete HP-UX 9 A.09.05 test. Paul Eggert2014-04-131-4/+0
* | Remove the build-time option CLASH_DETECTION...Every platform supports it, and the runtime option `create-lockfiles' replaces it. * configure.ac (CLASH_DETECTION): Remove option. * lisp/files.el (lock-buffer, unlock-buffer, file-locked-p): Remove fallback aliases, since they are always defined now. * src/buffer.c (Frestore_buffer_modified_p, Fkill_buffer): * src/emacs.c (shut_down_emacs): * src/fileio.c (Finsert_file_contents, write_region): * src/filelock.c (top-level, syms_of_filelock): * src/insdel.c (prepare_to_modify_buffer_1): CLASH_DETECTION is always defined now. * admin/CPP-DEFINES: Remove CLASH_DETECTION. Glenn Morris2014-03-251-1/+0
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* Remove some unused macros from 'configure'....* configure.ac (HAVE_SOUNDCARD_H, HAVE_LINUX_VERSION_H, HAVE_SPEED_T) (HAVE_GNUTLS_CALLBACK_CERTIFICATE_VERIFY) (HAVE_GNUTLS_CERTIFICATE_SET_VERIFY_FUNCTION, HAVE_UTIMES) (HAVE_LIBHESIOD, HAVE_LIBRESOLV, HAVE_LIBCOM_ERR, HAVE_LIBCRYPTO) (HAVE_LIBK5CRYPTO, HAVE_LIBKRB5, HAVE_LIBDES425, HAVE_LIBDES) (HAVE_LIBKRB4, HAVE_LIBKRB, HAVE_DES_H, HAVE_KERBEROSIV_DES_H) (HAVE_DEV_PTMX, DEVICE_SEP, USG5): Remove these macros, as they are not used. (sys_siglist): Remove macro; src/sysdep.c now does this. * src/sysdep.c (sys_siglist) [HAVE_DECL___SYS_SIGLIST]: Define to __sys_siglist. Paul Eggert2013-07-021-19/+0
* * configure.ac (HAVE_XKBGETKEYBOARD): Remove; subsumed by HAVE_XKB....All uses changed. Paul Eggert2013-03-261-1/+0
* File synchronization fixes....* admin/CPP-DEFINES (BSD_SYSTEM, HAVE_FSYNC): Remove. * admin/merge-gnulib (GNULIB_MODULES): Add fsync, fdatasync. * configure.ac (BSD_SYSTEM, BSD_SYSTEM_AHB): Remove; no longer needed. (fsync): Remove check; now done by gnulib. * lib/fdatasync.c, lib/fsync.c, m4/fdatasync.m4, m4/fsync.m4: New files, from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib-src/Makefile.in (LIB_FDATASYNC): New macro. (emacsclient${EXEEXT}): Use it. * lib-src/emacsclient.c (main): Use fdatasync, not fsync, since we don't care about metadata. Keep trying if interrupted. * lib-src/movemail.c (main, popmail): Don't worry about BSD_SYSTEM, since fsync is available everywhere (or there is a substitute). Don't report an error if fsync returns EINVAL. * nt/inc/ms-w32.h (fdatasync): New macro, suggested by Eli Zaretskii. * src/Makefile.in (LIB_FDATASYNC): New macro. (LIBES): Use it. * src/conf_post.h (BSD_SYSTEM, BSD_SYSTEM_AHB): Remove; no longer needed. * src/fileio.c (Fwrite_region, write_region_inhibit_fsync): Don't worry about HAVE_FSYNC, since a substitute fsync is available if the system lacks one. (Fwrite_regin): Retry fsync if interrupted. Fixes: debbugs:13944 Paul Eggert2013-03-131-2/+0
* Simplify data_start configuration....This is a followon simplification to the fix for Bug#13650. * admin/CPP-DEFINES (DATA_START, ORDINARY_LINK): Remove. * configure.ac (CRT_DIR, LIB_STANDARD, START_FILES, DATA_START) (LD_FIRSTFLAG, ORDINARY_LINK, LIB_GCC): Remove. (AC_CHECK_HEADERS_ONCE): Remove sys/resource.h, as it's not always needed. (HAVE_DATA_START): New macro. * etc/PROBLEMS (LIBS_SYSTEM, LIBS_MACHINE, LIBS_STANDARD): Remove. Remove legacy-systems section, as this stuff is no longer applicable with current linking strategies. * src/Makefile.in (LD_FIRSTFLAG, LIB_GCC, CRT_DIR, LIB_STANDARD) (START_FILES): Remove. All uses removed. (otherobj): Remove $(VMLIMIT_OBJ), as it's now first. (ALLOBJS): Move here from autodeps.mk, and with VMLIMITS_OBJ first. (buildobj.h): Use it. ($(ALLOBJS)): Depend on globals.h. (temacs$(EXEEXT)): Use $(ALLOBJS). * src/autodeps.mk (ALLOBJS): Move to Makefile.in. * src/deps.mk (vm-limit.o): * src/makefile.w32-in ($(BLD)/vm-limit.$(O)): Do not depend on mem-limits.h. * src/emacs.c (__do_global_ctors, __do_global_ctors_aux) (__do_global_dtors, __CTOR_LIST__, __DTOR_LIST__) [__GNUC__ && !ORDINARY_LINK]: Remove. * src/mem-limits.h, src/pre-crt0.c: Remove. * src/unexaix.c, src/unexcoff.c: Don't include mem-limits.h. * src/unexcoff.c (etext): New decl. (make_hdr): Use it instead of start_of_data. * src/vm-limit.c: Move most of mem-limits.h's contents here. (data_start): New decl. It's OK if this is approximate, so simplify-away some unnecessary exactness. (POINTER): Remove; all uses removed. (data_space_start): Now char *, to avoid casts. (exceeds_lisp_ptr): New function, replacing the old EXCEEDS_LISP_PTR macro. All uses changed. (check_memory_limits): Simplify and remove casts. (start_of_data) [!CANNOT_DUMP || !SYSTEM_MALLOC]: Remove. (memory_warnings): Use data_start instead of start_of_data. Fixes: debbugs:13783 Paul Eggert2013-02-241-2/+0
* Fix permissions bugs with setgid directories etc....* configure.ac (BSD4_2): Remove; no longer needed. * admin/CPP-DEFINES (BSD4_2): Remove. * doc/lispintro/emacs-lisp-intro.texi (Files List): directory-files-and-attributes now outputs t for attribute that's now a placeholder. * doc/lispref/files.texi (Testing Accessibility): Document GROUP arg of file-ownership-preserved-p. (File Attributes): Document that 9th element is now just a placeholder. * doc/lispref/os.texi (User Identification): Document new functions group-gid, group-real-gid. * etc/NEWS: Document changes to file-attributes, file-ownership-preserved-p. Mention new functions group-gid, group-real-gid. * lisp/files.el (backup-buffer): Don't rely on 9th output of file-attributes, as it's now a placeholder. Instead, use the new optional arg of file-ownership-preserved-p. (file-ownership-preserved-p): New optional arg GROUP. Fix mishandling of setuid directories that would cause this function to return t when it should have returned nil. Document what happens if the file does not exist, and when it's not known whether the ownership will be preserved. * lisp/net/tramp-sh.el (tramp-sh-handle-file-ownership-preserved-p): Likewise. (tramp-get-local-gid): Use group-gid for integer, as that's faster and more reliable. * src/dired.c (Ffile_attributes): Return t as the 9th attribute, to mark it as a placeholder. The old value was often wrong. The only user of this attribute has been changed to use file-ownership-preserved-p instead, with its new group arg. * src/editfns.c (Fgroup_gid, Fgroup_real_gid): New functions. Fixes: debbugs:13125 Paul Eggert2012-12-141-1/+0
* Simplify get_lim_data....* admin/CPP-DEFINES (ULIMIT_BREAK_VALUE): Remove. * configure.ac (ULIMIT_BREAK_VALUE): Remove. * src/vm-limit.c (get_lim_data): Combine RLIMIT_AS and RLIMIT_DATA methods. Remove USG and vlimit methods; no longer used these days. Add #error catchall just in case. Paul Eggert2012-12-071-1/+0
* Assume POSIX 1003.1-1988 or later for signal.h....Exceptions: do not assume SIGCONT, SIGSTOP, SIGTSTP, SIGTTIN, SIGTTOU, SIGUSR1, SIGUSR2, as Microsoft platforms lack these. * admin/CPP-DEFINES (SIGALRM, SIGCHLD, SIGHUP, SIGKILL, SIGPIPE, SIGQUIT): Remove. (SIGTRAP): Remove this one too, as config.h no longer defines it. * admin/merge-gnulib (GNULIB_MODULES): Add sig2str. * configure.ac (PTY_OPEN, PTY_TTY_NAME_SPRINTF): Use SIGCHLD rather than SIGCLD. * lib/sig2str.c, lib/sig2str.h, m4/sig2str.m4: New files, from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib/makefile.w32-in (GNULIBOBJS): Add $(BUILD)/sig2str.$(O). * src/process.c [subprocesses]: Include <c-ctype.h>, <sig2str.h>. (deleted_pid_list, Fdelete_process, create_process) (record_child_status_change, handle_child_signal, deliver_child_signal) (init_process_emacs, syms_of_process): Assume SIGCHLD is defined. (parse_signal): Remove. All uses removed. (abbr_to_signal): New static function. (Fsignal_process): Use it to convert signal names to ints. * src/sysdep.c (sys_suspend) [!DOS_NT]: Use kill (0, ...) rather than kill (getpgrp (), ...). (emacs_sigaction_init): Assume SIGCHLD is defined. (init_signals): Assume SIGALRM, SIGCHLD, SIGHUP, SIGKILL, SIGPIPE, and SIGQUIT are defined. Do not worry about SIGCLD any more. * src/syssignal.h (EMACS_KILLPG): Remove. All uses replaced by 'kill' with a negative pid. (SIGCHLD): Remove definition, as we now assume SIGCHLD. * src/w32proc.c (sys_kill): Support negative pids compatibly with POSIX. Fixes: debbugs:13026 Paul Eggert2012-12-071-7/+0
* Remove HAVE_MOUSE; see https://lists.gnu.org/archive/html/emacs-devel/2012-10......* configure.ac (HAVE_MOUSE): Remove. * admin/CPP-DEFINES (HAVE_MOUSE): Remove. * msdos/sed2v2.inp (HAVE_MOUSE): Remove. * nt/config.nt (HAVE_MOUSE): Remove. * src/keyboard.c (HAVE_MOUSE): * src/frame.c (HAVE_MOUSE): Remove, and rewrite code as if HAVE_MOUSE were always defined. Ken Brown2012-11-241-1/+0
* Assume POSIX 1003.1-1988 or later for dirent.h....* admin/CPP-DEFINES (HAVE_CLOSEDIR, HAVE_DIRENT_H): Remove. * admin/notes/copyright: Adjust to src/ndir.h -> nt/inc/dirent.h renaming. * configure.ac: Do not check for dirent.h or closdir. * nt/inc/dirent.h: Rename from ../src/ndir.h, with these changes: (struct dirent): Rename from struct direct. All uses changed. * nt/inc/sys/dir.h: Remove. * src/dired.c: Assume HAVE_DIRENT_H. (NAMLEN): Remove, replacing with ... (dirent_namelen): New function. All uses changed. Use the GNU macro _D_EXACT_NAMELEN if available, as it's faster than strlen. (DIRENTRY): Remove, replacing all uses with 'struct dirent'. (DIRENTRY_NONEMPTY): Remove. All callers now assume it's nonzero. * src/makefile.w32-in (DIR_H): Remove. All uses replaced with $(NT_INC)/dirent.h. ($(BLD)/w32.$(O)): Do not depend on $(SRC)/ndir.h. * src/ndir.h: Rename to ../nt/inc/dirent.h. * src/sysdep.h (closedir) [!HAVE_CLOSEDIR]: Remove. Do not include <dirent.h>; no longer needed. * src/w32.c: Include <dirent.h> rather than "ndir.h". Fixes: debbugs:12958 Paul Eggert2012-11-221-2/+0
* Assume POSIX 1003.1-1988 or later for unistd.h....* admin/CPP-DEFINES (BROKEN_GETWD, HAVE_GETCWD, HAVE_GETWD, HAVE_SIZE_T) (HAVE_UNISTD_H): Remove. * configure.ac: Do not check for getcwd or getwd. * lib-src/emacsclient.c (getcwd): Remove decl. (get_current_dir_name): Assume getcwd exists. * lib-src/etags.c (HAVE_GETCWD): Remove. (getcwd): Remove decl. (NO_LONG_OPTIONS): Remove this. All uses removed. Emacs always has GNU getopt. (etags_getcwd): Assume getcwd exists. * lib-src/movemail.c (F_OK, X_OK, W_OK, R_OK): Remove. * nt/config.nt (HAVE_GETCWD): Remove. * src/alloc.c: Assume unistd.h exists. * src/fileio.c (Fexpand_file_name) [DOS_NT]: Use getcwd, not getwd. * src/sysdep.c (get_current_dir_name): Assume getcwd exists. (getwd) [USG]: Remove; no longer needed. (sys_subshell) [DOS_NT]: Use getcwd, not getwd. * src/w32.c (getcwd): Rename from getwd, and switch to getcwd's API. * src/w32.h (getcwd): Remove decl. Fixes: debbugs:12945 Paul Eggert2012-11-211-5/+0
* Assume POSIX 1003.1-1988 or later for fcntl.h....* admin/CPP-DEFINES (O_RDONLY, O_RDWR, HAVE_FCNTL_H): Remove. * admin/merge-gnulib (GNULIB_MODULES): Add fcntl-h. * configure.ac: Do not check for fcntl.h. * lib/gnulib.mk: Regenerate. * lib-src/movemail.c, lib-src/update-game-score.c: Assume <fcntl.h> exists. * nt/inc/sys/socket.h (O_NONBLOCK): Rename from O_NDELAY, since the POSIX name for this flag is O_NONBLOCK. All uses changed. * nt/inc/unistd.h (O_RDWR, O_NOCTTY): New macros. Like AT_FDCWD etc. these really should be moved to a replacement <fcntl.h> if and when that gets implemented. In the meantime, include <fcntl.h> to make sure we don't override its definitions. * src/callproc.c (relocate_fd): Assume F_DUPFD. * src/emacs.c, src/term.c (O_RDWR): Remove. * src/keyboard.c (tty_read_avail_input): Use O_NONBLOCK rather than O_NDELAY, since O_NONBLOCK is the standard name for this flag. * src/nsterm.m: Assume <fcntl.h> exists. * src/process.c (NON_BLOCKING_CONNECT, allocate_pty, create_process) (create_pty, Fmake_network_process, server_accept_connection) (wait_reading_process_output, init_process_emacs): Assume O_NONBLOCK. (wait_reading_process_output): Put in a special case for WINDOWSNT to mimick the older behavior where it had O_NDELAY but not O_NONBLOCK. It's not clear this is needed, but it's a more-conservative change. (create_process): Assume FD_CLOEXEC. (create_process, create_pty): Assume O_NOCTTY. * src/sysdep.c (init_sys_modes, reset_sys_modes): Assume F_SETFL. (reset_sys_modes): Use O_NONBLOCK rather than O_NDELAY. Omit if not DOS_NT, since F_GETFL is not defined there. (serial_open): Assume O_NONBLOCK and O_NOCTTY. * src/term.c: Include <fcntl.h>, for flags like O_NOCTTY. (O_NOCTTY): Remove. (init_tty): Assume O_IGNORE_CTTY is defined to 0 on platforms that lack it, since gnulib guarantees this. * src/w32.c (fcntl): Test for O_NONBLOCK rather than O_NDELAY. Fixes: debbugs:12881 Paul Eggert2012-11-171-3/+0
* Remove no-longer-used pty_max_bytes variable....* configure.ac (fpathconf): Remove unnecessary check. * admin/CPP-DEFINES (HAVE_FPATHCONF): Remove. * src/process.c (pty_max_bytes): Remove; unused. (send_process): Do not set it. Paul Eggert2012-11-161-1/+0
* Assume at least POSIX.1-1988 for getpgrp, setpgid, setsid....This removes code that has been obsolete since around 1990. * admin/CPP-DEFINES (HAVE_SETPGID, HAVE_SETSID, SETPGRP_RELEASES_CTTY): Remove; obsolete. * configure.ac (setpgid, setsid): Assume their existence. (AC_FUNC_GETPGRP, SETPGRP_RELEASES_CTTY): Remove; obsolete. * src/callproc.c (Fcall_process): * src/emacs.c (main): * src/process.c (create_process): * src/term.c (dissociate_if_controlling_tty): Assume setsid exists. * src/callproc.c (child_setup): Assume setpgid exists and behaves as per POSIX.1-1988 or later. * src/conf_post.h (setpgid) [!HAVE_SETPGID]: Remove. * src/emacs.c (shut_down_emacs): * src/sysdep.c (sys_suspend, init_foreground_group): Assume getpgrp behaves as per POSIX.1-1998 or later. * src/msdos.c (setpgrp): Remove. (tcgetpgrp, setpgid, setsid): New functions. * src/systty.h (EMACS_GETPGRP): Remove. All callers now use getpgrp. * src/term.c (no_controlling_tty): Remove; unused. * src/w32proc.c (setpgrp): Remove. (setsid, tcgetpgrp): New functions. Fixes: debbugs:12800 Paul Eggert2012-11-041-3/+0
* Simplify by assuming __fpending....Now that Emacs is using the gnulib fpending module, there's no need for Emacs to have a separate implementation. * configure.ac (stdio_ext.h, __fpending): Remove now-duplicate checks. (PENDING_OUTPUT_COUNT, DISPNEW_NEEDS_STDIO_EXT): Remove. * admin/CPP-DEFINES (PENDING_OUTPUT_COUNT): Remove. * src/dispnew.c: Include <fpending.h>, not <stdio_ext.h>. (update_frame_1): Use __fpending, not PENDING_OUTPUT_COUNT. Do not assume that __fpending's result fits in int. Paul Eggert2012-11-041-1/+0
* Remove configure's --without-sync-input option....When auditing signal-handling in preparation for cleaning it up, I found that SYNC_INPUT has race conditions and would be a real pain to fix. Since it's an undocumented and deprecated configure-time option, now seems like a good time to remove it. Also see <http://bugs.gnu.org/11080#16>. * configure.ac (SYNC_INPUT, BROKEN_SA_RESTART): Remove. * admin/CPP-DEFINES (BROKEN_SA_RESTART, SA_RESTART): Remove. * etc/TODO (Make SYNC_INPUT the default): Remove, as the code now behaves as if SYNC_INPUT is always true. * src/alloc.c (_bytes_used, __malloc_extra_blocks, _malloc_internal) (_free_internal) [!DOUG_LEA_MALLOC]: Remove decls. (alloc_mutex) [!SYSTEM_MALLOC && !SYNC_INPUT && HAVE_PTHREAD]: (malloc_hysteresis): (check_depth) [XMALLOC_OVERRUN_CHECK]: (MALLOC_BLOCK_INPUT, MALLOC_UNBLOCK_INPUT): (__malloc_hook, __realloc_hook, __free_hook, BYTES_USED) (dont_register_blocks, bytes_used_when_reconsidered) (bytes_used_when_full, emacs_blocked_free, emacs_blocked_malloc) (emacs_blocked_realloc, reset_malloc_hooks, uninterrupt_malloc): [!SYSTEM_MALLOC && !SYNC_INPUT]: Remove. All uses removed. (MALLOC_BLOCK_INPUT, MALLOC_UNBLOCK_INPUT): Use a different implementation, one that depends on whether the new macro XMALLOC_BLOCK_INPUT_CHECK is defined, not on whether SYNC_INPUT is defined. * src/atimer.c (run_timers, handle_alarm_signal): * src/keyboard.c (pending_signal, poll_for_input_1, poll_for_input) (handle_async_input, process_pending_signals) (handle_input_available_signal, init_keyboard): * src/nsterm.m (ns_read_socket): * src/process.c (wait_reading_process_output): * src/regex.c (immediate_quit, IMMEDIATE_QUIT_CHECK): * src/sysdep.c (emacs_sigaction_init) [SA_RESTART]: (emacs_write): * src/xterm.c (XTread_socket): Assume SYNC_INPUT. * src/conf_post.h (SA_RESTART) [IRIX6_5]: Do not #undef. * src/eval.c (handling_signal): Remove. All uses removed. * src/lisp.h (ELSE_PENDING_SIGNALS): Remove. All uses replaced with the SYNC_INPUT version. (reset_malloc_hooks, uninterrupt_malloc, handling_signal): Remove decls. * src/sysdep.c, src/syssignal.h (main_thread) [FORWARD_SIGNAL_TO_MAIN_THREAD]: Now static. Fixes: debbugs:12450 Paul Eggert2012-09-161-2/+0
* Simplify SIGIO usage....The code that dealt with SIGIO was crufty and confusing, e.g., it played tricks like "#undef SIGIO" but these tricks were not used consistently. Simplify mostly by not #undeffing standard symbols, e.g., use "defined USABLE_SIGIO" (our symbol, which we can define or not as we please) rather than "defined SIGIO" (standard symbol that we probably shouldn't #undef). * configure.ac (NO_TERMIO, BROKEN_FIONREAD, BROKEN_SIGAIO) (BROKEN_SIGPOLL, BROKEN_SIGPTY): Remove. (USABLE_FIONREAD, USABLE_SIGIO): New symbols. All uses of 'defined SIGIO' replaced with 'defined USABLE_SIGIO', with no need to #undef SIGIO now (which was error-prone). Likewise, all uses of 'defined FIONREAD' replaced with 'defined USABLE_FIONREAD'. * src/admin/CPP_DEFINES (BROKEN_SIGAIO, BROKEN_SIGIO, BROKEN_SIGPOLL) (BROKEN_SIGPTY, NO_TERMIO): Remove. * src/conf_post.h [USG5_4]: Do not include <sys/wait.h> here. Modules that need it can include it. [USG5_4 && emacs]: Likewise, do not include the streams stuff here. * src/dispextern.h (ignore_sigio): New decl. * src/emacs.c (shut_down_emacs): Invoke unrequest_sigio unconditionally, since it's now a no-op if !USABLE_SIGIO. * src/emacs.c (shut_down_emacs): * src/keyboard.c (kbd_buffer_store_event_hold): Use ignore_sigio rather than invoking 'signal' directly. * src/keyboard.c (USABLE_FIONREAD && USG5_4): Include <sys/filio.h>, for FIONREAD. (FIONREAD, SIGIO): Do not #undef. (tty_read_avail_input): Use #error rather than a syntax error. * src/process.c [USG5_4]: Include <sys/stream.h> and <sys/stropts.h>, for I_PIPE, used by SETUP_SLAVE_PTY. (DATAGRAM_SOCKETS): Simplify defn, based on USABLE_FIONREAD. * src/sysdep.c (croak): Remove; no longer needed. This bit of temporary code, with Fred N. Fish's comment that it's temporary, has been in Emacs since at least 1992! (init_sigio, reset_sigio, request_sigio, unrequest_sigio): Arrange for them to be no-ops in all cases when ! USABLE_SIGIO. * src/syssignal.h (croak): Remove decl. (SIGIO, SIGPOO, SIGAIO, SIGPTY): Do not #undef; that's too fragile. * src/systty.h [!NO_TERMIO]: Do not include <termio.h>; no longer needed now that we're termios-only. (FIONREAD, ASYNC) [BROKEN_FIONREAD]: Do not #undef. * src/term.c (dissociate_if_controlling_tty): Use #error rather than a run-time error. Fixes: debbugs:12408 Paul Eggert2012-09-121-5/+0
* Simplify, document, and port floating-point....The porting part of this patch fixes bugs on non-IEEE platforms with frexp, ldexp, logb. * admin/CPP-DEFINES (HAVE_CBRT, HAVE_LOGB, logb): Remove. * configure.ac (logb, cbrt): Do not check for these functions, as they are not being used. * doc/lispref/numbers.texi (Float Basics, Arithmetic Operations, Math Functions): Document that / and mod (with floating point arguments), along with asin, acos, log, log10, expt and sqrt, return special values instead of signaling exceptions. (Float Basics): Document that logb operates on the absolute value of its argument. (Math Functions): Document that (log ARG BASE) also returns NaN if BASE is negative. Document that (expt X Y) returns NaN if X is a finite negative number and Y a finite non-integer. * etc/NEWS: Document NaNs versus signaling-error change. * src/data.c, src/lisp.h (Qdomain_error, Qsingularity_error, Qunderflow_error): Now static. * src/floatfns.c: Simplify discussion of functions that Emacs doesn't support, by removing commented-out code and briefly listing the C89 functions excluded. The commented-out stuff was confusing maintenance, e.g., we thought we needed cbrt but it was commented out. (logb): Remove decl; no longer needed. (isfinite): New macro, if not already supplied. (isnan): Don't replace any existing macro. (Ffrexp, Fldexp): Define even if !HAVE_COPYSIGN, as frexp and ldexp are present on all C89 platforms. (Ffrexp): Do not special-case zero, as frexp does the right thing for that case. (Flogb): Do not use logb, as it doesn't have the desired meaning on hosts that use non-base-2 floating point. Instead, stick with frexp, which is C89 anyway. Do not pass an infinity or a NaN to frexp, to avoid getting an unspecified result. Paul Eggert2012-09-101-4/+0
* Assume C89 or later for math functions....This simplifies the code, and makes it a bit smaller and faster, and (most important) makes it easier to clean up signal handling since we can stop worring about floating-point exceptions in library code. That was a problem before C89, but the problem went away many years ago on all practical Emacs targets. * configure.ac (frexp, fmod): Remove checks for these functions, as we now assume them. (FLOAT_CHECK_DOMAIN, HAVE_INVERSE_HYPERBOLIC, NO_MATHERR) (HAVE_EXCEPTION): Remove; no longer needed. * admin/CPP-DEFINES (HAVE_FMOD, HAVE_FREXP, FLOAT_CHECK_DOMAIN) (HAVE_INVERSE_HYPERBOLIC, NO_MATHERR): Remove. * src/data.c, src/image.c, src/lread.c, src/print.c: Don't include <math.h>; no longer needed. * src/data.c, src/floatfns.c (IEEE_FLOATING_POINT): Don't worry that it might be autoconfigured, as that never happens. * src/data.c (fmod): * src/doprnt.c (DBL_MAX_10_EXP): * src/print.c (DBL_DIG): Remove. C89 or later always defines these. * src/floatfns.c (HAVE_MATHERR, FLOAT_CHECK_ERRNO, FLOAT_CHECK_DOMAIN) (in_float, float_error_arg, float_error_arg2, float_error_fn_name) (arith_error, domain_error, domain_error2): Remove all this pre-C89 cruft. Do not include <errno.h> as that's no longer needed -- we simply return what C returns. All uses removed. (IN_FLOAT, IN_FLOAT2): Remove. All uses replaced with the wrapped code. (FLOAT_TO_INT, FLOAT_TO_INT2, range_error, range_error2): Remove. All uses expanded, as these macros are no longer used more than once and are now more trouble than they're worth. (Ftan): Use tan, not sin / cos. (Flogb): Assume C89 frexp. (fmod_float): Assume C89 fmod. (matherr) [HAVE_MATHERR]: Remove; no longer needed. (init_floatfns): Remove. All uses removed. Paul Eggert2012-09-091-5/+0
* Simplify redefinition of 'abort' (Bug#12316)....Do not try to redefine the 'abort' function. Instead, redo the code so that it calls 'emacs_abort' rather than 'abort'. This removes the need for the NO_ABORT configure-time macro and makes it easier to change the abort code to do a backtrace. * configure.ac (NO_ABRT): Remove. * admin/CPP-DEFINES (NO_ABORT): Remove. * nt/inc/ms-w32.h (w32_abort) [HAVE_NTGUI]: Remove. * src/.gdbinit: Just stop at emacs_abort, not at w32_abort or abort. * src/emacs.c (abort) [!DOS_NT && !NO_ABORT]: Remove; sysdep.c's emacs_abort now takes its place. * src/lisp.h (emacs_abort): New decl. All calls from Emacs code to 'abort' changed to use 'emacs_abort'. * src/msdos.c (dos_abort) [defined abort]: Remove; not used. (abort) [!defined abort]: Rename to ... (emacs_abort): ... new name. * src/sysdep.c (emacs_abort) [!HAVE_NTGUI]: New function, taking the place of the old 'abort' in emacs.c. * src/w32.c, src/w32fns.c (abort): Do not #undef. * src/w32.c (emacs_abort): Rename from w32_abort. Paul Eggert2012-09-041-1/+0
* * lib/sigprocmask.c, m4/signalblocking.m4: Remove....These files have been unused since the 2012-06-22 patch that introduced high-resolution time stamps. Paul Eggert2012-08-181-3/+0
* More CPP-DEFINES updatesGlenn Morris2012-08-151-10/+272
* CPP-DEFINES misc cleanupGlenn Morris2012-08-111-31/+100
* Remove some defines that are no longer presentGlenn Morris2012-08-111-12/+0
* Remove GNU_LIBRARY_PENDING_OUTPUT_COUNT...* configure.ac (GNU_LIBRARY_PENDING_OUTPUT_COUNT): Remove. (PENDING_OUTPUT_COUNT): Absorb GNU_LIBRARY_PENDING_OUTPUT_COUNT. (DISPNEW_NEEDS_STDIO_EXT): New define. * src/dispnew.c (GNU_LIBRARY_PENDING_OUTPUT_COUNT, PENDING_OUTPUT_COUNT): Let configure handle it. (stdio_ext.h) [DISPNEW_NEEDS_STDIO_EXT]: Include it. * nt/config.nt (GNU_LIBRARY_PENDING_OUTPUT_COUNT): Remove. (PENDING_OUTPUT_COUNT): Define it as dispnew.c used to. * admin/CPP-DEFINES (GNU_LIBRARY_PENDING_OUTPUT_COUNT): Remove. Glenn Morris2012-08-061-1/+0
* Misc updates for CPP-DEFINESGlenn Morris2012-08-011-21/+24
* Port to Solaris 8....Without this change, 'configure' fails because the recently-added wait3 prototype in config.h messes up later 'configure' tests. Fix this problem by droping wait3 and WRETCODE, as they're no longer needed on hosts that are current porting targets. * configure.ac (wait3, WRETCODE): Remove, fixing a FIXME. All uses changed to waitpid and WEXITSTATUS. * src/syswait.h (WRETCODE): Remove, consistently with ../configure.ac. Paul Eggert2012-08-011-1/+0
* * lisp.h (SWITCH_ENUM_CAST): Remove. All uses removed....This no-op macro hasn't been needed for many years. * src/regex.c (SWITCH_ENUM_CAST) [!emacs]: Likewise. Paul Eggert2012-07-301-2/+0
* Merge from emacs-24Stefan Monnier2012-07-171-1/+0
|\
| * Don't use FILE_SYSTEM_CASE in MS-DOS, or anywhere else.... src/s/msdos.h (FILE_SYSTEM_CASE): Don't define. src/fileio.c (FILE_SYSTEM_CASE): Don't define. (Ffile_name_directory, Fexpand_file_name): Don't use FILE_SYSTEM_CASE. Fixes problems on MS-DOS with Vtemp_file_name_pattern when call-process-region passes it through expand-file-name. src/dired.c (file_name_completion): Don't use FILE_SYSTEM_CASE. admin/CPP-DEFINES: Remove FILE_SYSTEM_CASE. Eli Zaretskii2012-07-141-1/+0
* | Remove unneeded #define POSIX...* src/s/gnu-linux.h, src/s/sol2-6.h: No longer define POSIX, unused since 2011-01-17 change to systty.h. * admin/CPP-DEFINES: Related edit. Glenn Morris2012-07-111-1/+0
* | Assume mkdir, rmdir.Paul Eggert2012-07-111-2/+0
* | Assume rename.Paul Eggert2012-07-101-1/+0
* | Assume perror.Paul Eggert2012-07-101-1/+0
* | Assume strerror.Paul Eggert2012-07-101-2/+0
* | Remove obsolete configuration options (Windows port)....* admin/CPP-DEFINES (LISP_FLOAT_TYPE): Remove, obsolete. * nt/config.nt (LISP_FLOAT_TYPE, HAVE_XFREE386, USE_TEXT_PROPERTIES) (GSSAPI, HAVE_LIBINTL, HAVE_LIBGSSAPI_KRB5, HAVE_LIBGSSAPI) (HAVE_GSSAPI_H, HAVE_LIBXBD, HAVE_MEMCPY, HAVE_MEMMOVE, HAVE_MEMSET) (HAVE_MEMCMP): Remove, obsolete. * src/s/ms-w32.h (LISP_FLOAT_TYPE, HAVE_MEMCMP, HAVE_MEMCPY) (HAVE_MEMMOVE, HAVE_MEMSET): Don't set, obsolete. Juanma Barranquero2012-07-041-1/+0
* | Support higher-resolution time stamps....Fixes: debbugs:9000 Paul Eggert2012-06-221-2/+0
* | Remove some unused definitions from src/s...* src/s/bsd-common.h (BSD4_3): * src/s/usg5-4-common.h (USG5_4): No longer define; unused. * admin/CPP-DEFINES, src/s/template.h: Related edits. Glenn Morris2012-06-131-2/+0
* | Use a simple struct to implement compile time checks for the Lisp_Object type...* configure.in: Rename --enable-use-lisp-union-type to --enable-check-lisp-object-type and define CHECK_LISP_OBJECT_TYPE instead of USE_LISP_UNION_TYPE. * admin/make-emacs: Rename --union-type to --check-lisp-type. Define CHECK_LISP_OBJECT_TYPE insted of USE_LISP_UNION_TYPE. * admin/CPP-DEFINES (DEBUG_LISP_OBJECT_TYPE): Renamed from USE_LISP_UNION_TYPE. * src/lisp.h (Lisp_Object) [CHECK_LISP_OBJECT_TYPE]: Define as struct instead of union. (XLI, XIL): Define. (XHASH, XTYPE, XINT, XUINT, make_number, XSET, XPNTR, XUNTAG): Use them. * src/emacs.c (gdb_use_struct): Renamed from gdb_use_union. * src/.gdbinit: Check gdb_use_struct instead of gdb_use_union. * src/alloc.c (widen_to_Lisp_Object): Removed. (mark_memory): Use XIL instead of widen_to_Lisp_Object. * src/frame.c (delete_frame): Remove outdated comment. * src/w32fns.c (Fw32_register_hot_key): Use XLI instead of checking USE_LISP_UNION_TYPE. (Fw32_unregister_hot_key): Likewise. (Fw32_toggle_lock_key): Likewise. * src/w32menu.c (add_menu_item): Likewise. (w32_menu_display_help): Use XIL instead of checking USE_LISP_UNION_TYPE. * src/w32heap.c (allocate_heap): Don't check USE_LISP_UNION_TYPE. (init_heap): Likewise. * src/w32term.c (w32_read_socket): Update comment. Andreas Schwab2012-06-131-1/+1