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* Merge from gnulib.Paul Eggert2014-09-231-3/+4
| | | | | | This incorporates: 2014-09-11 fcntl-h: fix compilation with Intel C++ compiler 2014-09-04 pthread, pthread_sigmask, threadlib: port to Ubuntu 14.04
* Merge from gnulib, incorporating:Paul Eggert2014-09-022-27/+51
| | | | | | 2014-09-02 gnulib-common.m4: port to GCC 4.2.1 and Sun Studio 12 C++ 2014-09-01 manywarnings: add GCC 4.9 warnings * m4/gnulib-common.m4, m4/manywarnings.m4: Update from gnulib.
* Vector-sorting fixes.Paul Eggert2014-08-303-0/+75
| | | | | | | | | | | | | | | | | | | | | | | | | | It's not safe to call qsort or qsort_r, since they have undefined behavior if the user-specified predicate is not a total order. Also, watch out for garbage-collection while sorting vectors. * admin/merge-gnulib (GNULIB_MODULES): Add vla. * configure.ac (qsort_r): Remove, as we no longer use qsort-like functions. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib/vla.h, m4/vararrays.m4: New files, copied from gnulib. * lib/stdlib.in.h, m4/stdlib_h.m4: Sync from gnulib, incorporating: 2014-08-29 qsort_r: new module, for GNU-style qsort_r The previous two files' changes are boilerplate generated by admin/merge-gnulib, and should not affect Emacs. * src/fns.c: Include <vla.h>. (sort_vector_predicate) [!HAVE_QSORT_R]: Remove. (sort_vector_compare): Remove, replacing with .... (inorder, merge_vectors, sort_vector_inplace, sort_vector_copy): ... these new functions. (sort_vector): Rewrite to use the new functions. GCPRO locals, since the predicate can invoke the GC. Since it's in-place return void; caller changed. (merge): Use 'inorder', for clarity. Fixes: debbugs:18361
* Merge from gnulib, incorporating:Paul Eggert2014-08-041-8/+23
| | | | | | 2014-08-04 extern-inline: port to FreeBSD, DragonFly * lib/gnulib.mk: Regenerate (comment change only). * m4/extern-inline.m4: Update from gnulib.
* Simplify timerfd configuration and fix some minor glitches.Paul Eggert2014-07-311-1/+1
| | | | | | | | | | | | | | | | | * configure.ac (HAVE_TIMERFD): Define only if TFD_CLOEXEC works, since the code leaked file descriptors to children when !TFD_CLOEXEC. (HAVE_TIMERFD_CLOEXEC): Remove; no longer used. * m4/clock_time.m4 (gl_CLOCK_TIME): Don't check for clock_getres. This reverts the previous change to this file, so it matches gnulib again. * src/atimer.c (TIMERFD_CREATE_FLAGS): Remove; we now assume TFD_CLOEXEC. (alarm_timer, alarm_timer_ok, set_alarm, init_atimer): Fall back on timer_create if timerfd_create fails at runtime. (resolution) [HAVE_CLOCK_GETRES]: Remove; we now rely on the kernel primitives to do resolution. All uses removed. (timerfd) [!HAVE_TIMERFD]: Define to be -1, for convenience. (turn_on_atimers): Clear timer_create-based timers too, for consistency.
* On GNU/Linux, use timerfd for asynchronous timers.Dmitry Antipov2014-07-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | * configure.ac (toplevel): Check whether GNU/Linux-specific timerfd functions and macros are available. * m4/clock_time.m4 (gl_CLOCK_TIME): Check for clock_getres as well. * src/atimer.c (toplevel) [HAVE_TIMERFD]: Include sys/timerfd.h. (toplevel): Rename alarm_timer_ok to special_timer_available. [HAVE_TIMERFD]: Declare timerfd. [HAVE_CLOCK_GETRES]: Declare resolution. (start_atimer) [HAVE_CLOCK_GETRES]: Round up timestamp to system timer resolution. (set_alarm) [HAVE_TIMERFD]: Use timerfd_settime. (timerfd_callback) [HAVE_TIMERFD]: New function. (atimer_result, debug_timer_callback, Fdebug_timer_check) [ENABLE_CHECKING]: New function for the sake of automated tests. (init_atimer) [HAVE_TIMERFD]: Setup timerfd. [HAVE_CLOCK_GETRES]: Likewise for system timer resolution. [ENABLE_CHECKING]: Defsubr test function. * src/atimer.h (timerfd_callback) [HAVE_TIMERFD]: Add prototype. * src/lisp.h (add_timer_wait_descriptor) [HAVE_TIMERFD]: Likewise. * src/process.c (add_timer_wait_descriptor) [HAVE_TIMERFD]: New function. * test/automated/timer-tests.el (timer-tests-debug-timer-check): New test.
* Omit redundant extern decls.Paul Eggert2014-06-171-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of this patch is from Dmitry Antipov, in: http://lists.gnu.org/archive/html/emacs-devel/2014-06/msg00263.html * configure.ac (WERROR_CFLAGS): Add -Wredundant-decls. * lib-src/emacsclient.c (getenv): Remove decl. * lib-src/make-docfile.c (write_globals): Add ATTRIBUTE_CONST for Fbyteorder, Ftool_bar_height, Fmax_char, Fidentity. * lwlib/lwlib-Xm.c (lw_motif_widget_p, xm_update_one_value) (xm_create_dialog, xm_destroy_instance, xm_popup_menu) (xm_set_keyboard_focus, xm_set_main_areas): Remove decls. * src/commands.h (update_mode_lines): * src/frame.h (Qbackground_color, Qforeground_color) (x_set_menu_bar_lines): * src/ftfont.c (ftfont_font_format): * src/intervals.h (Qkeymap, Qfont): * src/keyboard.c (timer_check, safe_run_hooks, Qregion_extract_function): * src/lisp.h (Ffboundp, Qnil, Qt, Qlambda, Qintegerp, Qwholenump) (Qsymbolp, Qlisp, Qconsp, Qstringp, Qarrayp, Qbufferp, Qmarkerp) (Qvectorp, Qbuffer_or_string_p, Qchar_table_p, Qvector_or_char_table_p) (Qfloatp, Qnumberp, Qfont_spec, Qfont_entity, Qfont_object) (Fbyteorder, wrong_type_argument, Fmax_char, syms_of_composite) (Fidentity, extract_float, init_display, syms_of_display, Qdisplay): (Qimage, Qbox, redisplay_preserve_echo_area, char_table_ref) (char_table_set, char_table_translate, Qautoload, Qbottom, Qtop) (Qvisible, Qfont, Qfront_sticky, Qrear_nonsticky, init_sigio) (Qtool_bar, Qheader_line): * src/macros.c (Fexecute_kbd_macro): * src/xdisp.c (Ftool_bar_height, Ftool_bar_height): * src/xterm.c (x_delete_terminal, XSetIMValues): * src/xterm.h (x_set_window_size, x_query_color, x_get_focus_frame) (x_implicitly_set_name, popup_activated) (widget_store_internal_border): Remove redundant decls. * src/frame.c [USE_X_TOOLKIT]: Include widget.h. * src/keyboard.c (Fexit_recursive_edit, Fabort_recursive_edit): Remove _Noreturn, as make-docfile now does that for us. * src/lisp.h (DEFUN): Don't declare fnname here; rely on make-docfile. (Qregion_extract_function): New decl. * src/window.c, src/xfns.c: Include menu.h.
* Merge from gnulib.Paul Eggert2014-06-013-4/+31
| | | | | | | | | | | This incorporates: 2014-06-02 acl: apply pure attribute to two functions 2014-06-01 gnulib-common.m4: add _GL_UNUSED_LABEL 2014-05-31 dup2, fcntl, fcntl-h: port to AIX 7.1 2014-05-30 ftoastr: work around compiler bug in IBM xlc 12.1 * lib/acl-internal.h, lib/fcntl.in.h, lib/ftoastr.h: * m4/dup2.m4, m4/fcntl.m4, m4/gnulib-common.m4: Update from gnulib.
* Don't substitute sigprocmask for pthread_sigmask.Paul Eggert2014-05-292-57/+67
| | | | | | | | | | | sigprocmask isn't portable in a multithreaded process. * configure.ac (gl_THREADLIB): Remove dummy. Merge from gnulib, incorporating: 2014-05-28 pthread_sigmask, timer-time: use gl_THREADLIB only if needed * m4/pthread_sigmask.m4, m4/timer_time.m4: Update from gnulib. * src/Makefile.in (LIB_PTHREAD_SIGMASK): Remove; all uses removed. Fixes: debbugs:17561
* Assume C99 or later.Paul Eggert2014-05-173-191/+0
| | | | | | | | | | | | | | | | | | | | | | * lib/stdarg.in.h, lib/stdbool.in.h, m4/stdarg.m4, m4/stdbool.m4: Remove. * configure.ac (_AC_PROG_CC_C89): Define a dummy, to keep 'configure' smaller. (gl_PROG_CC_C99): Use this to get C99 or later. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * admin/merge-gnulib (GNULIB_MODULES): Remove stdarg, stdbool. (GNULIB_TOOL_FLAGS): Avoid stdarg, stdbool. * doc/lispref/internals.texi (C Dialect): Document this. * etc/NEWS: Document this. * nt/gnulib.mk: Remove stdarg and stdbool modules. * src/bytecode.c (B__dummy__): Remove. * src/conf_post.h (bool_bf) [!NS_IMPL_GNUSTEP]: Use bool. (FLEXIBLE_ARRAY_MEMBER): Now always empty. * src/dbusbind.c (XD_DEBUG_MESSAGE) [!DBUS_DEBUG]: * src/regex.c (DEBUG_PRINT): Assume varargs macros. * src/lisp.h (DEFUN_FUNCTION_INIT): Remove. All uses now assume C99. Fixes: debbugs:17487
* Don't require pkg-config when building from repository.Paul Eggert2014-05-161-0/+214
| | | | | | | | | | | | | | | | | | | | | * INSTALL: Prefer './configure FOO=BAR' to 'FOO=BAR ./configure'. * INSTALL.REPO: pkg-config is no longer required to build from the repository. * autogen.sh: Don't check for pkg-config. (progs): Remove pkg-config. (pkg_config_min, AUTORECONF_ENV, env_space, ACLOCAL_PATH): Remove. All uses removed. * m4/pkg.m4: New file, built by admin/merge-pkg-config. * configure.ac: Remove unnecessary m4_pattern_forbid of ^PKG_ and an AC_ARG_VAR of PKG_CONFIG_PATH. pkg.m4 does that for us. (EMACS_CHECK_MODULES): Remove workaround for old pkg-config bug, as we use pkg.m4 from a newer pkg-config. * admin/merge-pkg-config: New script. * admin/notes/copyright: Update for m4/*.m4, in particular m4/pkg.m4. * etc/NEWS: Prefer './configure FOO=BAR' to 'FOO=BAR ./configure'. * etc/PROBLEMS (Build-time-problems): Remove pkg-config problem that is no longer an issue. * nt/INSTALL: Remove no-longer-needed notes about pkg-config.
* Merge from gnulib.Paul Eggert2014-03-072-2/+7
| | | | | | | | | | | | This incorporates: 2014-03-04 stdint: fix missing SIZE_MAX on Android 2013-03-02 sys_types: avoid autoconf warning about gl_SYS_TYPES_H * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib/stdint.in.h, lib/sys_types.in.h, m4/sys_types_h.m4: Update from gnulib. Fix oversight preventing lib/sys/types.h from being generated. * admin/merge-gnulib (GNULIB_TOOL_FLAGS): Don't avoid sys_types.
* Merge from gnulib.Paul Eggert2014-02-232-1/+57
| | | | | | 2014-02-21 timer: fix uClibc detection of threading 2014-02-21 maintainer-makefiles: provide AC_PROG_SED for older autoconf * texinfo.tex: Update from gnulib.
* Merge from gnulib.Paul Eggert2014-01-221-1/+2
| | | | | | This incorporates: 2014-01-22 qacl: check for fchmod * m4/acl.m4: Update from gnulib.
* Merge from gnulib.Paul Eggert2014-01-102-3/+23
| | | | | | This incorporates: 2014-01-07 update from texinfo 2014-01-06 md5, sha1, sha256, sha512: support older autoconf
* Merge from gnulib.Paul Eggert2014-01-021-1/+0
| | | | | | This incorporates: 2014-01-02 manywarnings: remove -Wmudflap This ports better to GCC 4.9-to-be.
* Update copyright year to 2014 by running admin/update-copyright.Paul Eggert2014-01-01100-100/+100
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* Automate the procedure for updating copyright year.Paul Eggert2013-12-241-0/+2
| | | | | | | | | | * admin/merge-gnulib (GNULIB_MODULES): Add update-copyright. * admin/notes/years: Mention admin/update-copyright. * admin/update-copyright: New file. * build-aux/update-copyright: New file. * make-dist: Distribute it. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * msdos/autogen/Makefile.in: Update copyright year.
* Merge from gnulib, incorporating:Paul Eggert2013-12-172-6/+13
| | | | | | | | | 2013-12-17 gettimeofday: port recent C++ fix to Emacs 2013-12-17 gettimeofday: fix C++ crosscompilation 2013-12-17 qacl: port to Windows better * lib/file-has-acl.c, lib/time.in.h, m4/gettimeofday.m4, m4/time_h.m4: Update from gnulib. * lib/gnulib.mk: Regenerate.
* Remove the option of using libcrypto.Paul Eggert2013-12-101-51/+0
| | | | | | | | | | | | | | This scorches the earth and waits for spring; see Ted Zlatanov and Stefan Monnier in <http://lists.gnu.org/archive/html/emacs-devel/2013-12/msg00323.html>. * configure.ac (with_openssl_default, HAVE_LIB_CRYPTO): Remove. Do not say whether Emacs is configured to use a crypto library, since it's no longer an option. (gl_CRYPTO_CHECK): Define a dummy. * lib/gl_openssl.h, m4/gl-openssl.m4: Remove. * admin/merge-gnulib: Remove lib/gl_openssh.h and m4/gl-openssl.m4. * src/Makefile.in (LIB_CRYPTO): Remove. (LIBES): Don't use it.
* * configure.ac: Disable libcrypto by default.Paul Eggert2013-12-091-1/+4
| | | | | | Merge from gnulib, incorporating: 2013-12-07 md5, sha1, sha256, sha512: fix link error with partial lib * m4/gl-openssl.m4: Update from gnulib.
* Use libcrypto's checksum implementations if available, for speed.Paul Eggert2013-12-088-58/+173
| | | | | | | | | | | | | | | | | | | | | | | | | | On commonly used platform libcrypto uses architecture-specific assembly code, which is significantly faster than the C code we were using. See Pádraig Brady's note in <http://lists.gnu.org/archive/html/bug-gnulib/2013-12/msg00000.html>. Merge from gnulib, incorporating: 2013-12-07 md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT 2013-12-07 md5, sha1, sha256, sha512: add 'auto', and set-default method 2013-12-04 include_next: minimize code duplication 2013-12-03 md5, sha1, sha256, sha512: support mandating use of openssl 2013-12-02 md5, sha1, sha256, sha512: use openssl routines if available * configure.ac (--without-all): Set with_openssl_default too. Use gl_SET_CRYPTO_CHECK_DEFAULT to default to 'auto'. (HAVE_LIB_CRYPTO): New var. Say whether Emacs is configured to use a crypto library. * lib/gl_openssl.h, m4/absolute-header.m4, m4/gl-openssl.m4: New files, copied from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib/md5.c, lib/md5.h, lib/sha1.c, lib/sha1.h: * lib/sha256.c, lib/sha256.h, lib/sha512.c, lib/sha512.h: * m4/include_next.m4, m4/md5.m4, m4/sha1.m4, m4/sha256.m4, m4/sha512.m4: Update from gnulib. * src/Makefile.in (LIB_CRYPTO): New macro. (LIBES): Use it.
* Merge from gnulib.Paul Eggert2013-11-082-14/+22
| | | | | | | | This incorporates: 2013-11-08 extern-inline: port better to OS X 10.9 2013-11-08 fpending: fix regression on DragonFly BSD * lib/fpending.h, m4/extern-inline.m4, m4/fpending.m4: Update from gnulib.
* Merge from gnulib.Paul Eggert2013-10-222-10/+14
| | | | | | | | This incorporates: 2013-10-14 acl: allow cross-compilation to Gentoo 2013-10-18 extern-inline: make safe for -Wundef usage 2013-09-30 fpending: use pure+const function attrs * lib/fpending.h, m4/acl.m4, m4/extern-inline.m4: Update from gnulib.
* Merge from gnulib.Paul Eggert2013-10-124-8/+18
| | | | | | | | | | This incorporates: 2013-10-10 strtoumax: port to Solaris 8 2013-10-09 strtoimax, strtoumax: port to HP-UX 11.11 * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib/inttypes.in.h, lib/strtoimax.c, m4/inttypes.m4, m4/strtoimax.m4: * m4/strtoumax.m4: Update from gnulib.
* Improve support for popcount and counting trailing zeros.Paul Eggert2013-10-073-0/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do this by using the Gnulib modules for this. This should generate faster code on non-GCC, non-MSC platforms, and make the code a bit more portable, at least in theory. * admin/merge-gnulib (GNULIB_MODULES): Add count-one-bits and count-trailing-zeros. * lib/count-one-bits.c, lib/count-one-bits.h: * lib/count-trailing-zeros.c, lib/count-trailing-zeros.h: * m4/count-one-bits.m4, m4/count-trailing-zeros.m4: New files, copied from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * nt/gnulib.mk: Merge changes from lib/gnulib.mk. * src/data.c: Include <count-one-bits.h>, <count-trailing-zeros.h>. (USE_MSC_POPCOUNT, POPCOUNT_STATIC_INLINE) (NEED_GENERIC_POPCOUNT, popcount_size_t_generic) (popcount_size_t_msc, popcount_size_t_gcc): Remove; now done by Gnulib. (popcount_size_t): Now a macro that defers to Gnulib. (count_trailing_zero_bits): Return int, for consistency with Gnulib and because Emacs prefers signed to unsigned int. Don't assume that size_t is either unsigned int or unsigned long or unsigned long long. (size_t_to_host_endian): Do not assume that size_t is either exactly 32 or exactly 64 bits wide. * src/lisp.h (BITS_PER_SIZE_T): Define consistently with BITS_PER_LONG etc., so that it's now an enum constant, not a macro. No need to assume that it's either 32 or 64. Fixes: debbugs:15550
* Use hardware support for byteswapping on glibc x86 etc.Paul Eggert2013-10-042-0/+23
| | | | | | | | | | | | | On Fedora 19 x86-64, the new bswap_64 needs 1 instruction, whereas the old swap64 needed 30. * admin/merge-gnulib (GNULIB_MODULES): Add byteswap. * lib/byteswap.in.h, m4/byteswap.m4: New files, copied from Gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * src/fringe.c (init_fringe_bitmap) [WORDS_BIGENDIAN]: * src/sound.c (le2hl, le2hs, be2hl) [!WINDOWSNT]: Use byteswap.h's macros to swap bytes. * src/lisp.h (swap16, swap32, swap64): Remove. All uses replaced by bswap_16, bswap_32, bswap_64.
* Merge from gnulib.Paul Eggert2013-10-034-6/+37
| | | | | | | | | | * src/conf_post.h (__has_builtin, assume): Remove; gnulib now does these. * src/lisp.h: Include <verify.h>, for 'assume'. This also incorpoprates: 2013-10-02 verify: new macro 'assume' 2013-09-26 dup2, dup3: work around another cygwin crasher 2013-09-26 getdtablesize: work around cygwin issue
* Merge from gnulib.Paul Eggert2013-09-242-5/+7
| | | | | | | | | This incorporates: 2013-09-24 manywarnings: enable nicer gcc warning messages 2013-09-23 warnings: port --enable-gcc-warnings to Solaris Studio 12.3 2013-09-21 timespec: use the new TIMESPEC_RESOLUTION elsewhere * configure.ac (WERROR_CFLAGS): Omit -fdiagnostics-show-option and -funit-at-a-time, since manywarnings does that for us now.
* Merge from gnulib.Paul Eggert2013-09-191-4/+13
| | | | | | | | | This incorporates the following changes: 2013-09-19 stdio: OS X port of putc_unlocked + extern inline 2013-09-19 signal: OS X port of sigaddset etc. + extern inline 2013-09-19 extern-inline: do not always suppress extern inline on OS X 2013-09-17 getgroups: statement without effect 2013-08-28 headers: check that _GL_INLINE_HEADER_BEGIN is defined
* Minor merge from gnulib (mostly just for texinfo.tex).Paul Eggert2013-08-262-2/+4
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* Merge from gnulib.Paul Eggert2013-08-181-2/+11
| | | | | | This incorporates: 2013-08-15 warnings: minor optimization 2013-08-15 warnings: check -Wfoo rather than -Wno-foo
* Merge from gnulib.Paul Eggert2013-08-112-10/+15
| | | | | | This incorporates: 2013-08-11 fpending: port to recent Cygwin change to stdio_ext.h 2013-08-10 sys_time: port to OpenBSD
* Fix some minor races in hosts lacking mkostemp.Paul Eggert2013-08-044-0/+111
| | | | | | | | | | | | | | | | | | | | | | Gnulib's emulation of mkostemp doesn't have races that Emacs's does. * configure.ac (mkostemp): Remove check for this function; gnulib does the check now. (mkstemp): Remove check for this no-longer-used function. * lib/mkostemp.c, lib/secure_getenv.c, lib/tempname.c, lib/tempname.h: * m4/mkostemp.m4, m4/secure_getenv.m4, m4/tempname.m4: New files, copied from Gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * admin/merge-gnulib (GNULIB_MODULES): Add mkostemp. * lib-src/movemail.c (main): * lib-src/update-game-score.c (write_scores): Use mkostemp (which now works on all platforms, due to changes in the portability layer) rather than mktemp (which has a race) or mkstemp (which we no longer bother with). * src/callproc.c (create_temp_file): * src/filelock.c (create_lock_file): Assume mkostemp, since it's now provided by Gnulib. Fixes: debbugs:15015
* Port recent close-on-exec changes to Cygwin.Paul Eggert2013-07-091-0/+3
| | | | | | | | | | * lib/binary-io.c, lib/binary-io.h: New files. Merge from gnulib, incorporating: 2013-07-09 accept4, dup3, pipe2: port to Cygwin * lib/pipe2.c: Update from gnulib, as part of this merge. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. Fixes: debbugs:14821
* Handle errno and exit status a bit more carefully.Paul Eggert2013-07-091-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib/ignore-value.h: Remove this gnulib-imported file. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * admin/merge-gnulib (GNULIB_MODULES): Remove ignore-value. * src/callproc.c (child_setup) [!DOS_NT]: Don't try to stuff an error number into an exit status. Instead, use EXIT_CANCELED. (child_setup) [!MSDOS]: Avoid possible deadlock with vfork. * src/callproc.c (relocate_fd): * src/emacs.c (close_output_streams, main): * src/process.c (create_process): * src/sysdep.c (sys_subshell) [!DOS_NT || !WINDOWSNT]: Use emacs_perror for simplicity. * src/callproc.c (relocate_fd, main): * src/sysdep.c (sys_subshell): Exit with EXIT_CANCELED etc., not 1, when exec setup fails. (shut_down_emacs): Use emacs_write, not write. * src/emacs.c, src/sysdep.c: Don't include <ignore-value.h>. * src/fileio.c (Fcopy_file, e_write): * src/nsterm.m (ns_select): * src/process.c (send_process): * src/sound.c (vox_write): Use emacs_write_sig, not emacs_write. * src/lisp.h (emacs_write_sig, emacs_perror): New decls. * src/process.h (EXIT_CANCELED), EXIT_CANNOT_INVOKE, EXIT_ENOENT): New constants. * src/sysdep.c (emacs_backtrace): Use emacs_write, not ignore_value of write. (emacs_full_write): New function. (emacs_write): Rewrite to use it. (emacswrite_sig, emacs_perror): New functions. * src/xrdb.c (fatal): Don't invoke perror, since errno might be garbage.
* Try to fix FreeBSD 9.1 porting problem.Paul Eggert2013-07-071-1/+2
| | | | | | | This incorporates the following merge from gnulib: 2013-07-07 stdalign, verify: port to FreeBSD 9.1, to C11, and to C++11 Fixes: debbugs:14812
* Make file descriptors close-on-exec when possible.Paul Eggert2013-07-074-17/+163
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This simplifies Emacs a bit, since it no longer needs to worry about closing file descriptors by hand in some cases. It also fixes some unlikely races. Not all such races, as libraries often open files internally without setting close-on-exec, but it's an improvement. * admin/merge-gnulib (GNULIB_MODULES): Add fcntl, pipe2. (GNULIB_TOOL_FLAGS): Avoid binary-io, close. Do not avoid fcntl. * configure.ac (mkostemp): New function to check for. (PTY_OPEN): Pass O_CLOEXEC to posix_openpt. * lib/fcntl.c, lib/getdtablesize.c, lib/pipe2.c, m4/fcntl.m4: * m4/getdtablesize.m4, m4/pipe2.m4: New files, taken from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * nt/gnulib.mk: Remove empty gl_GNULIB_ENABLED_verify section; otherwise, gnulib-tool complains given close-on-exec changes. * nt/inc/ms-w32.h (pipe): Remove. * nt/mingw-cfg.site (ac_cv_func_fcntl, gl_cv_func_fcntl_f_dupfd_cloexec) (gl_cv_func_fcntl_f_dupfd_works, ac_cv_func_pipe2): New vars. * src/alloc.c (valid_pointer_p) [!WINDOWSNT]: * src/callproc.c (Fcall_process) [!MSDOS]: * src/emacs.c (main) [!DOS_NT]: * src/nsterm.m (ns_term_init): * src/process.c (create_process): Use 'pipe2' with O_CLOEXEC instead of 'pipe'. * src/emacs.c (Fcall_process_region) [HAVE_MKOSTEMP]: * src/filelock.c (create_lock_file) [HAVE_MKOSTEMP]: Prefer mkostemp with O_CLOEXEC to mkstemp. * src/callproc.c (relocate_fd) [!WINDOWSNT]: * src/emacs.c (main): Use F_DUPFD_CLOEXEC, not plain F_DUPFD. No need to use fcntl (..., F_SETFD, FD_CLOEXEC), since we're now using pipe2. * src/filelock.c (create_lock_file) [! HAVE_MKOSTEMP]: Make the resulting file descriptor close-on-exec. * src/lisp.h, src/lread.c, src/process.c (close_load_descs, close_process_descs): * src/lread.c (load_descriptor_list, load_descriptor_unwind): Remove; no longer needed. All uses removed. * src/process.c (SOCK_CLOEXEC): Define to 0 if not supplied by system. (close_on_exec, accept4, process_socket) [!SOCK_CLOEXEC]: New functions. (socket) [!SOCK_CLOEXEC]: Supply a substitute. (Fmake_network_process, Fnetwork_interface_list): (Fnetwork_interface_info, server_accept_connection): Make newly-created socket close-on-exec. * src/sysdep.c (emacs_open, emacs_fopen): Make new-created descriptor close-on-exec. * src/w32.c (fcntl): Support F_DUPFD_CLOEXEC well enough for Emacs. * src/w32.c, src/w32.h (pipe2): Rename from 'pipe', with new flags arg. Fixes: debbugs:14803
* Merge from gnulib.Paul Eggert2013-07-011-1/+2
| | | | | | This incorporates: 2013-06-23 ignore-value: port to gcc -pedantic 2013-06-21 extern-inline: port to gcc -std=c89
* Merge from gnulib (comment fixes only).Paul Eggert2013-06-181-9/+5
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* Merge from gnulib.Paul Eggert2013-05-162-7/+14
| | | | | | 2013-05-15 manywarnings: update for GCC 4.8.0 2013-05-15 stdio: use __REDIRECT for fwrite, fwrite_unlocked 2013-05-15 sig2str, stdio, warnings: port to clang
* Use Gnulib ACL implementation, for benefit of Solaris etc.Paul Eggert2013-05-073-0/+315
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure.ac: Remove -with-acl option, since Gnulib does that for us now. (LIBACL_LIBS): Remove; no longer needed. * lib/Makefile.am (CLEANFILES, SUFFIXES): New (empty) macros, for the benefit of the new ACL implementation. * lib/makefile.w32-in (GNULIBOBJS): Add $(BLD)/acl-errno-valid.$(O). ($(BLD)/acl-errno-valid.$(O)): New rule. * lib/acl-errno-valid.c, lib/acl-internal.h, lib/acl.h: * lib/acl_entries.c, lib/errno.in.h, lib/file-has-acl.c: * lib/qcopy-acl.c, lib/qset-acl.c, m4/acl.m4, m4/errno_h.m4: New files, taken from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * admin/merge-gnulib (GNULIB_MODULES): Add qacl. (GNULIB_TOOL_FLAGS): Do not avoid errno. * etc/NEWS: Emacs is no longer limited to POSIX ACLs. --disable-acl, not --without-acl, since we're now using Gnulib's implementation. * nt/config.nt (HAVE_ACL_SET_FILE): Rename from HAVE_POSIX_ACL. * nt/inc/ms-w32.h (EOPNOTSUPP): New macro. * src/Makefile.in (LIB_ACL): New macro. (LIBACL_LIBS): Remove. (LIBES): Use LIB_ACL, not LIBACL_LIBS. * src/fileio.c: Include <acl.h>. Use HAVE_ACL_SET_FILE rather than HAVE_POSIX_ACL. (ACL_NOT_WELL_SUPPORTED): Remove. All uses replaced by !acl_errno_valid. (Fcopy_file) [!WINDOWSNT]: Use qcopy_acl instead of rolling it ourselves. Fixes: debbugs:14295
* Comment fix, to match Gnulib upstream copy.Paul Eggert2013-05-071-1/+1
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* Merge from gnulib.Paul Eggert2013-04-281-3/+11
| | | | | This incorporates: 2013-04-28 extern-inline: work around bug in Sun c99
* Merge from gnulibPaul Eggert2013-03-301-2/+3
| | | | | | | This incorporates: 2013-03-29 stdalign: port to stricter ISO C11 This helps to run 'configure' on MS-Windows; see Eli Zaretskii in <http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00999.html>.
* File synchronization fixes.Paul Eggert2013-03-133-0/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
* Merge from gnulib: putenv: port to Solaris 10.Paul Eggert2013-03-131-2/+2
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* Merge from gnulib.Paul Eggert2013-03-121-4/+7
| | | | | | | | This incorporates: 2013-03-12 mktime: fix configure typo 2013-03-11 regex: port to mingw's recent addition of undeclared alarm 2013-03-11 putenv: avoid compilation warning on mingw 2013-03-11 unistd: don't prevent Tru64 Unix from using gnulib strtod.
* Merge from gnulib.Paul Eggert2013-03-013-1/+11
| | | | | | 2013-02-21 putenv: port better to native Windows 2013-02-18 extern-inline: avoid compilation error with HP-UX cc 2013-02-14 putenv: fix heap corruption with mixed putenv/_putenv
* Tune by using memchr and memrchr.Paul Eggert2013-02-113-0/+156
| | | | | | | | | | | | | | | * .bzrignore: Add string.h. * admin/merge-gnulib (GNULIB_MODULES): Add memrchr. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * lib/memrchr.c, lib/string.in.h, m4/memrchr.m4, m4/string_h.m4: New files, from gnulib. * src/doc.c (Fsnarf_documentation): * src/fileio.c (Fsubstitute_in_file_name): * src/search.c (find_newline, scan_newline): * src/xdisp.c (pos_visible_p, display_count_lines): Use memchr and memrchr rather than scanning byte-by-byte. * src/search.c (find_newline): Rename from scan_buffer. Omit first arg TARGET, as it's always '\n'. All callers changed.