Jim Meyering [Wed, 21 Apr 2004 12:57:33 +0000 (12:57 +0000)]
- csplit sometimes failed to remove files when interrupted.
- 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.
Jim Meyering [Wed, 21 Apr 2004 12:51:27 +0000 (12:51 +0000)]
- ls could incorrectly restore color if multiple signals
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.
Jim Meyering [Wed, 21 Apr 2004 12:25:18 +0000 (12:25 +0000)]
install -s failed on System V if SIGCHLD was ignored.
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.
Jim Meyering [Tue, 20 Apr 2004 15:08:57 +0000 (15:08 +0000)]
(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.
Jim Meyering [Tue, 20 Apr 2004 10:41:36 +0000 (10:41 +0000)]
(suspended): Change its type from int to sig_atomic_t volatile.
(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'.
Jim Meyering [Tue, 20 Apr 2004 10:03:53 +0000 (10:03 +0000)]
Accept new option: --program-name=NAME, so that we
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.
Jim Meyering [Mon, 19 Apr 2004 15:12:31 +0000 (15:12 +0000)]
Make pwd work even if the resulting name is so long that getcwd fails.
(path_free, path_init, path_prepend): New functions.
(nth_parent, find_dir_entry, robust_getcwd): New functions.
(main): First try getcwd, then, upon failure, robust_getcwd.