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happen between arbitrary output bytes, as the
restore-default-color sequence can bollix up multibyte chars or
color-change sequences in the ordinary output. Instead, process
signals only between printing a file name and changing the color
back to non_filename_text color. That way, if the signal handler
changes the color (to the default), 'ls' will change it back when
'ls' continues (after being suspended).
Also, do not bother with signal-handling unless stdout is a
controlling terminal; this lets stdio buffer better when "ls
--color" is piped or sent to a file.
(sigprocmask, sigset_t) [!defined SA_NOCLDSTOP]: New macros.
Do not include "full-write.h"; no longer needed.
(tcgetpgrp) [! HAVE_TCGETPGRP]: New macro.
(put_indicator_direct): Remove. All callers changed to use
put_indicator.
(caught_signals, interrupt_signal, stop_signal_count): New vars.
(restore_default_color): Don't bother checking for put_indicator
failure.
(sighandler): Don't handle SIGTSTP; that's another handler now.
Simply set interrupt_signal to the signal, then exit.
(stophandler, process_signals): New functions.
(main): Don't output any color changes until _after_ the signal
handlers are set up. This fixes a race condition where 'ls'
could be interrupted while initializing colors, and leaving the
terminal in an undesirable state.
Don't mess with signal-handling if standard output is not a
controlling terminal.
When exiting, restore the default color, then restore the
default signal handling, then act on any signals that weren't
acted on yet.
Do not print //DIRED// etc. in colors; this avoids the need
to catch signals when printing them.
(print_name_with_quoting): Process signals just before switching
color back to non_filename_text.
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(quote_name): Use SIZE_MAX, not -1, in calls of quotearg_buffer.
Patch by Mikulas Patocka.
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does not allow this. This undoes the 1996-10-24 patch.
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- csplit didn't clean up if two signals arrived nearly simultaneously.
(sigprocmask, sigset_t) [!defined SA_NOCLDSTOP]: Define.
(filename_space, prefix, suffix, digits, files_created, remove_files): Now volatile.
(caught_signals): New var.
(cleanup): Block signals while deleting all files.
(cleanup_fatal, handle_line_error, regexp_error):
Mark with ATTRIBUTE_NORETURN.
(create_output_file, close_output_file, interrupt_handler):
Block signals while changing the number of output files,
to fix some race conditions.
(delete_all_files): Do nothing if remove_files is zero.
Clear files_created.
(main): Don't mess with signals until after argument processing is done.
(main): Rewrite signal-catching code to make it
similar to other coreutils programs. When processing signals,
block all signals that we catch, but do not block signals that we
don't catch. Avoid problems with unsigned int warnings.
(interrupt_handler): Use void, not (obsolete) RETSIGTYPE.
(interrupt_handler) [defined SA_NOCLDSTOP]:
Use simpler "signal (sig, SIG_DFL)" rather than sigaction equivalent.
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arrived nearly simultaneously.
(main): Rewrite signal-catching code to make it
similar to other coreutils programs. When processing signals,
block all signals that we catch, but do not block signals that we
don't catch. Avoid problems with unsigned int warnings.
(sighandler) [defined SA_NOCLDSTOP]:
Use simpler "signal (sig, SIG_DFL)" rather than sigaction equivalent.
(sighandler) [!defined SA_NOCLDSTOP]: Reset signal
handler to self, not to SIG_IGN, since SIGTSTP can be received more than once.
(main): Use SA_RESTART, as that is simpler than checking for EINTR
failures all over the place.
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Include <signal.h>.
(main) [defined SIGCHLD]: Set SIGCHLD handler to the default,
if -s is given, since System V fork+wait does not work if SIGCHLD
is ignored.
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Use simpler "signal (sig, SIG_DFL)" rather than sigaction equivalent.
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similar to other coreutils programs. When processing signals,
block all signals that we catch, but do not block signals that we
don't catch. Avoid problems with unsigned int warnings.
(sighandler) [defined SA_NOCLDSTOP]:
Use simpler "signal (sig, SIG_DFL)" rather than sigaction equivalent.
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Use simpler "signal (sig, SIG_IGN)" rather than sigaction equivalent.
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(first_call): Make it private to rpl_nanosleep, and have it
be zero initially as that's a bit faster.
(my_usleep): Round up fractional times instead of truncating them,
as this is the usual meaning for 'sleep'.
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can override the one in --version output. This is needed solely
so that test.1 doesn't refer to `[' as the program name.
Reported by Benjamin Cutler as http://bugs.debian.org/205251.
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Change utils_- and jm_-prefixed variables, too.
* host-os.m4 (gl_HOST_OS): Renamed from UTILS_HOST_OS.
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Change utils_- and jm_-prefixed variables, too.
(gl_FUNC_MKSTEMP): Renamed from UTILS_FUNC_MKSTEP.
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Change utils_- and jm_-prefixed variables, too.
(gl_FUNC_MKDIR_TRAILING_SLASH): Renamed from
UTILS_FUNC_MKDIR_TRAILING_SLASH.
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