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* xspawn: Detect posix_spawn() supportTavian Barnes2023-11-192-10/+38
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* ioq: Don't crash on allocation failuresTavian Barnes2023-11-151-0/+4
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* config: New attr_maybe_unused macroTavian Barnes2023-11-154-7/+19
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* tests: Fix a possible infinite loopTavian Barnes2023-11-151-2/+4
| | | | | | | | | | | | | | | | | | | The POSIX spec for readdir() [1] says: > If a file is removed from or added to the directory after the most > recent call to opendir() or rewinddir(), whether a subsequent call > to readdir() returns an entry for that file is unspecified. which implies that a loop of readdir()/unlink()/creat() may continue to return new files unendingly. This was even observed on a Linux 6.6 tmpfs mount [2]. It's not clear whether find(1) is also permitted to loop endlessly in this case, but in case it is, let's avoid the whole problem by limiting the -exec to happen at most once. [1]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/readdir.html [2]: https://lore.kernel.org/linux-fsdevel/20231113180616.2831430-1-tavianator@tavianator.com/
* xspawn: API tweaksTavian Barnes2023-11-153-43/+48
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* bit: Implement a branchless has_single_bit()Tavian Barnes2023-11-131-1/+2
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* eval: Remove Cosmopolitan-specific workaroundTavian Barnes2023-11-131-3/+1
| | | | | | | Turns out this is not specific to Cosmopolitan, it's a recent Linux behaviour change. Link: https://lore.kernel.org/linux-fsdevel/20231113180616.2831430-1-tavianator@tavianator.com/
* tests: Fix --verbose=commands with --bfs="wrapper bfs"Tavian Barnes2023-11-131-1/+1
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* Revert "bit: Implement a branchless has_single_bit()"Tavian Barnes2023-11-112-2/+2
| | | | | | Doesn't work for the highest bit due to overflow. This reverts commit 208376ef99da243545efcd6fb02d3469b4c068ed.
* Initial support for Cosmopolitan LibcTavian Barnes2023-11-105-3/+33
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* exec: Don't do setrlimit() in the parentTavian Barnes2023-11-101-22/+4
| | | | | | | | | This was hacky, but it's also broken because it can make posix_spawn() fail with EMFILE, as happens on at least musl. Fixes: 7d69fef6a0b80ad57acde7bac8a22b83531fec0d Link: https://www.austingroupbugs.net/view.php?id=603 Link: https://sourceware.org/bugzilla/show_bug.cgi?id=31049
* bit: Implement a branchless has_single_bit()Tavian Barnes2023-11-102-1/+5
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* config: Add constants for C standard versionsTavian Barnes2023-11-104-8/+16
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* config: Add (de)allocator attributesTavian Barnes2023-11-094-25/+89
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* config: New attr_noinline and attr_cold macrosTavian Barnes2023-11-094-0/+36
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* config: New attr_target_clones() macroTavian Barnes2023-11-092-8/+17
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* config: s/BFS_FORMATTER/attr_format/Tavian Barnes2023-11-0910-29/+29
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* config: Remove BFS_SUPPRESS()Tavian Barnes2023-11-092-19/+14
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* list: Simplify slist_remove_impl()Tavian Barnes2023-11-091-4/+4
| | | | We now assume that all-bits-zero is a null pointer, so memset is fine.
* ioq: Implement a better non-blocking popTavian Barnes2023-11-093-102/+189
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* parse: Reject -{exec,ok}dir if $PATH contains a relative pathTavian Barnes2023-11-077-0/+32
| | | | This matches the behaviour of GNU find.
* tests: Fix output interleaving with -j1Tavian Barnes2023-11-071-5/+5
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* xspawn: Do $PATH resolution up-frontTavian Barnes2023-11-071-21/+19
| | | | | | | | | posix_spawnp() is typically implemented like execvp(), i.e., by repeatedly trying execv() with each $PATH component until it succeeds. This is much slower than resolving the executable path up-front and then calling execv() once, so do that. Fixes: https://github.com/tavianator/bfs/pull/127#issuecomment-1795095126
* Treat NO_COLOR="" the same as unsetTavian Barnes2023-11-063-1/+34
| | | | | | | | | | | | | | The docs say > Command-line software which adds ANSI color to its output by default > should check for a NO_COLOR environment variable that, when present > and not an empty string (regardless of its value), prevents the > addition of ANSI color. but we were not checking for the empty string. Link: https://no-color.org/ Link: https://github.com/sharkdp/fd/pull/1421
* exec: Try harder to use posix_spawn()Tavian Barnes2023-11-061-5/+26
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* xspawn: Wrap the real posix_spawn() if possibleTavian Barnes2023-11-063-48/+136
| | | | Fixes #47.
* ctx: Store the original and current RLIMIT_NOFILETavian Barnes2023-11-065-37/+38
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* bfstd: Expose rlim_cmp()Tavian Barnes2023-11-063-33/+40
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* bench: New -exec benchmarksTavian Barnes2023-11-021-3/+89
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* tests: Add tests for ulimit -n after -execTavian Barnes2023-11-024-0/+36
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* bftw: Improve ioq balancing logicTavian Barnes2023-11-011-13/+22
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* bfstd: New xwaitpid() wrapperTavian Barnes2023-10-315-3/+19
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* bftw: Leave work for the main thread if profitableTavian Barnes2023-10-311-4/+13
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* thread: Move thread wrapper functions out of lineTavian Barnes2023-10-273-32/+100
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* typo: Shrink the key_coords tableTavian Barnes2023-10-271-2/+3
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* Use {0} to initialize mbstate_t rather than memset()Tavian Barnes2023-10-272-12/+6
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* eval: TTY-escape paths in the status barTavian Barnes2023-10-271-4/+8
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* bfstd: Expose xmbrtowc() and use it in eval_status()Tavian Barnes2023-10-273-38/+46
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* bfstd: Only free the locale if we dup'd it successfullyTavian Barnes2023-10-261-3/+3
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* ci: Run tests in parallel on macOS and FreeBSDTavian Barnes2023-10-231-2/+3
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* tests/bfs/help: Fix exit statusTavian Barnes2023-10-231-4/+4
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* tests/bfs/help: Use ... && fail instead of ! ...Tavian Barnes2023-10-232-5/+4
| | | | ! false doesn't trigger an error with set -e.
* tests/bfs/printf_color: Fix race conditionTavian Barnes2023-10-232-1/+2
| | | | | Invoking bfs in the top directory can lead it to explore other tests' scratch directories, so explicitly exclude them.
* tests: Document -jTavian Barnes2023-10-231-21/+20
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* tests: Clean up verbose logging a bitTavian Barnes2023-10-231-20/+36
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* tests: Fix Bash 3 compatibilityTavian Barnes2023-10-237-37/+47
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* tests: Run test cases in parallelTavian Barnes2023-10-233-16/+64
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* tests: Use test-specific scratch directoriesTavian Barnes2023-10-2277-368/+330
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* tests: Fix column detection with redirected stderrTavian Barnes2023-10-201-1/+1
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* tests/color: Remove some useless catsTavian Barnes2023-10-204-53/+50
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