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[Guile-commits] 01/03: Add popen feature
From: |
Andy Wingo |
Subject: |
[Guile-commits] 01/03: Add popen feature |
Date: |
Thu, 14 Jul 2016 16:07:03 +0000 (UTC) |
wingo pushed a commit to branch stable-2.0
in repository guile.
commit e8c93013e3fa8281fb60f47e7f8b90acdab61405
Author: Andy Wingo <address@hidden>
Date: Thu Jul 14 16:33:32 2016 +0200
Add popen feature
* doc/ref/api-options.texi (Common Feature Symbols): Document the popen
feature.
* doc/ref/posix.texi (Pipes): Depend on the popen feature, not fork.
* libguile/posix.c (scm_init_posix): Add popen feature if we can.
---
doc/ref/api-options.texi | 7 +++++--
doc/ref/posix.texi | 2 +-
libguile/posix.c | 1 +
3 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/doc/ref/api-options.texi b/doc/ref/api-options.texi
index 8fa4f98..30ea1ce 100644
--- a/doc/ref/api-options.texi
+++ b/doc/ref/api-options.texi
@@ -284,8 +284,11 @@ Indicates support for POSIX functions: @code{pipe},
@code{getgroups},
@item fork
Indicates support for the POSIX @code{fork} function (@pxref{Processes,
address@hidden). This is a prerequisite for the @code{(ice-9
-popen)} module (@pxref{Pipes}).
address@hidden).
+
address@hidden popen
+Indicates support for @code{open-pipe} in the @code{(ice-9 popen)}
+module (@pxref{Pipes}).
@item random
Indicates availability of random number generation functions:
diff --git a/doc/ref/posix.texi b/doc/ref/posix.texi
index a5157a3..e8ef25e 100644
--- a/doc/ref/posix.texi
+++ b/doc/ref/posix.texi
@@ -2262,7 +2262,7 @@ controlling terminal. The return value is unspecified.
The following procedures are similar to the @code{popen} and
@code{pclose} system routines. The code is in a separate ``popen''
address@hidden module is only available on systems where the
address@hidden feature is provided (@pxref{Common Feature Symbols}).}:
address@hidden feature is provided (@pxref{Common Feature Symbols}).}:
@lisp
(use-modules (ice-9 popen))
diff --git a/libguile/posix.c b/libguile/posix.c
index 154cfcd..478d648 100644
--- a/libguile/posix.c
+++ b/libguile/posix.c
@@ -2339,6 +2339,7 @@ scm_init_posix ()
scm_add_feature ("fork");
#endif /* HAVE_FORK */
#ifdef HAVE_START_CHILD
+ scm_add_feature ("popen");
scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,
"scm_init_popen",
(scm_t_extension_init_func) scm_init_popen,