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| author | Josselin Poiret <dev@jpoiret.xyz> | 2023-01-07 17:07:46 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2023-01-13 16:05:30 +0100 |
| commit | 551929e4fb77341fa5309c138b2ab92966987966 (patch) | |
| tree | f64410a438cba928d9c2902c55641eea73d969d0 /NEWS | |
| parent | edfca3b7e5931b5b5a83112e2a9813b068be99c2 (diff) | |
| download | guile-551929e4fb77341fa5309c138b2ab92966987966.tar.gz | |
Add 'spawn'.
* libguile/posix.c: Include spawn.h from Gnulib.
(do_spawn, scm_spawn_process): New functions.
(kw_environment, hw_input, kw_output, kw_error, kw_search_path): New
variables.
* doc/ref/posix.texi (Processes): Document it.
* test-suite/tests/posix.test ("spawn"): New test prefix.
* NEWS: Update.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 15 |
1 files changed, 14 insertions, 1 deletions
@@ -1,5 +1,5 @@ Guile NEWS --- history of user-visible changes. -Copyright (C) 1996-2022 Free Software Foundation, Inc. +Copyright (C) 1996-2023 Free Software Foundation, Inc. See the end for copying conditions. Please send Guile bug reports to bug-guile@gnu.org. @@ -11,6 +11,19 @@ Changes in 3.0.9 (since 3.0.8) * New interfaces and functionality +** New `spawn' procedure to spawn child processes + +The new `spawn' procedure creates a child processes executing the given +program. It lets you control the environment variables of that process +and redirect its standard input, standard output, and standard error +streams. + +Being implemented in terms of `posix_spawn', it is more portable, more +robust, and more efficient than the combination of `primitive-fork' and +`execl'. See "Processes" in the manual for details, and see the 2019 +paper entitled "A fork() in the road" (Andrew Baumann et al.) for +background information. + ** `open-file' now supports an "e" flag for O_CLOEXEC Until now, the high-level `open-file' facility did not provide a way to |