IPC-Run-20260322.0

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Changes for version 20260322.0

Bug fixes:
GH #126 - Handle EAGAIN in _write() for non-blocking pipe writes (PR #221)
GH #149 - Prevent fd leak in _do_kid_and_exit when TFD == KFD (PR #218)
GH #131 - Suppress spurious "Filehandle STDIN reopened" warnings in child when $^W=1 with pty redirection (PR #219)
GH #116 - Make binmode the default on Win32 to prevent newline mangling of binary data (PR #192)
GH #82 - Avoid undef warning in _cleanup when fork fails (PR #197)
GH #97 - Wrap coderef in eval in _do_kid_and_exit to prevent child process from escaping into parent code path on die() (PR #193)
GH #122 - Propagate CODE ref exceptions back to parent via error pipe (PR #224)
GH #57 - Close external input handles in parent after fork to prevent hangs when child exits early (PR #226)
GH #134 - Preserve $cur_kid when a Timer is encountered in harness(), fixing "No command before 'init'" errors (PR #187)
GH #124 - Restore compat for bare undef params in harness() (PR #190)
GH #141 - Passing undef as stdin/stdout/stderr no longer dies (PR #184)
GH #139 - Avoid "Modification of a read-only value" when passing undef stdin (PR #185)
GH #162 - Reject empty/undef command name in _search_path (PR #182)
GH #154 - Limit input buffer chunk size to prevent exponential memory growth when streaming data to slow consumers (PR #183)
GH #128 - Silently ignore undef arguments passed as timeout to harness() (PR #189)
GH #133 - Correct two minor documentation issues in Run.pm (PR #188)
GH #137 - Skip win32_compile.t when getprotobyname('tcp') is unavailable (PR #186)
GH #35 - Survive SIGPIPE when child exits before consuming all stdin (PR #204)
GH #92 - Handle EPIPE when child exits before consuming stdin (PR #195)
GH #93 - Handle tied STDERR without FILENO in _debug_fd (PR #194)
GH #85 - Invalidate path cache on $PATH change, add clearcache() (PR #196)
GH #50 - Support scalar ref for '>pipe' and '<pipe' operators (PR #201)
GH #49 - Use $type in IO::new error message instead of $_ (PR #202)
GH #66 - Fix <pipe documentation example order and equivalent pipe example (PR #198)
GH #65 - Suppress spurious numeric warning in result() and results() (PR #199)
GH #29 - Suppress numeric warnings from result() when SIGCHLD is IGNORE (PR #205)
GH #213 - Handle scalar refs in Win32IO pipe operators (PR #214)
GH #215 - Remove blanket TODO from win32_newlines.t, keep only for still-failing tests (PR #216)
GH #169 - Prevent handle inheritance of caller-owned fds on Win32 (PR #181, PR #211)
rt.cpan.org #11215 - Enable kill_kill test 1 on Win32 (PR #207)
GH #237 - Suppress filehandle warning during global destruction in tied_stderr.t (PR #239)
GH #236 - Resolve File::Temp cleanup warning on Windows CI (PR #238)
GH #230 - Suppress Socket::IPPROTO_TCP redefined warning in win32_compile.t (PR #235)
GH #222 - Prevent tied_stderr.t from hanging on Win32 CI (PR #225)
Improvements:
GH #178 - Add env option to set child process environment variables without modifying parent %ENV (PR #179)
GH #171 - Add started() method to query harness run state (PR #180)
GH #169 - Add finished() method to distinguish exit-0 from not-yet-exited (PR #181)
GH #44 - Add pid(), pids(), is_running(), full_path(), full_paths() convenience methods (PR #203)
GH #64 - Add <blocking_pipe operator for blocking writes to child stdin (PR #200)
PR #212 - Add close_stdin() method to prevent unbounded memory growth when streaming to long-running children
Maintenance:
GH #208 - Consolidate CI into single testsuite.yml with dynamic Perl version matrix (PR #209)
PR #220 - Add CLAUDE.md with project guidelines for AI-assisted development
Add 5-minute timeout to all CI workflow steps
GH #228 - Remove TODO from Win32 autoflush test and align with Unix branch (PR #234)
GH #223 - Clean up resolved TODO tests in win32_newlines.t (PR #227)
GH #231 - Skip t/eintr.t early on Win32 to avoid SIGUSR1 warning (PR #233)
GH #229 - Suppress File::Temp version-string warnings in test suite (PR #232)