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[SCM] gawk branch, feature/pma2, updated. gawk-4.1.0-4747-g37dbf039
|
From: |
Arnold Robbins |
|
Subject: |
[SCM] gawk branch, feature/pma2, updated. gawk-4.1.0-4747-g37dbf039 |
|
Date: |
Tue, 14 Jun 2022 15:01:45 -0400 (EDT) |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gawk".
The branch, feature/pma2 has been updated
via 37dbf039eee81652d647aa2783f4ea4cb0266f52 (commit)
from b0774ab145fe4828e54da22e6deb850fcceafcf4 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=37dbf039eee81652d647aa2783f4ea4cb0266f52
commit 37dbf039eee81652d647aa2783f4ea4cb0266f52
Author: Arnold D. Robbins <arnold@skeeve.com>
Date: Tue Jun 14 22:01:23 2022 +0300
Add --disable-pma configure option and doc for it.
diff --git a/ChangeLog b/ChangeLog
index 0fc21389..6b63f855 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-06-14 Arnold D. Robbins <arnold@skeeve.com>
+
+ * main.c (main): Set gawk_name first thing, in case we fatal out
+ on pma_init.
+ * configure.ac: Add --disable-pma option.
+
2022-06-13 Arnold D. Robbins <arnold@skeeve.com>
* main.c (main): If persistent memory not available and
diff --git a/configure b/configure
index 302392f7..8153103e 100755
--- a/configure
+++ b/configure
@@ -801,6 +801,7 @@ enable_silent_rules
enable_lint
enable_builtin_intdiv0
enable_mpfr
+enable_pma
enable_versioned_extension_dir
enable_dependency_tracking
enable_largefile
@@ -1458,6 +1459,8 @@ Optional Features:
--enable-builtin-intdiv0
enable built-in intdiv0 function
--disable-mpfr do not check for MPFR
+ --disable-pma do not build gawk with the persistent memory
+ allocator
--enable-versioned-extension-dir
use a versioned directory for extensions
--enable-dependency-tracking
@@ -3663,6 +3666,18 @@ then :
fi
+SKIP_PERSIST_MALLOC=no
+# Check whether --enable-pma was given.
+if test ${enable_pma+y}
+then :
+ enableval=$enable_pma; if test "$enableval" = no
+ then
+ SKIP_PERSIST_MALLOC=yes
+ fi
+
+fi
+
+
EXTENSIONDIR=
# Check whether --enable-versioned-extension-dir was given.
if test ${enable_versioned_extension_dir+y}
@@ -12521,48 +12536,52 @@ printf "%s\n" "#define HAVE_MBRTOWC 1" >>confdefs.h
- ac_fn_c_check_func "$LINENO" "mmap" "ac_cv_func_mmap"
+use_persistent_malloc=no
+if test "$SKIP_PERSIST_MALLOC" = no
+then
+ ac_fn_c_check_func "$LINENO" "mmap" "ac_cv_func_mmap"
if test "x$ac_cv_func_mmap" = xyes
then :
fi
- ac_fn_c_check_func "$LINENO" "munmap" "ac_cv_func_munmap"
+ ac_fn_c_check_func "$LINENO" "munmap" "ac_cv_func_munmap"
if test "x$ac_cv_func_munmap" = xyes
then :
fi
- if test $ac_cv_func_mmap = yes && test $ac_cv_func_munmap = yes
- then
+ if test $ac_cv_func_mmap = yes && test $ac_cv_func_munmap = yes
+ then
printf "%s\n" "#define USE_PERSISTENT_MALLOC 1" >>confdefs.h
- use_persistent_malloc=yes
- case $host_os in
- linux-*)
- case $CC in
- gcc | clang)
- LDFLAGS="${LDFLAGS} -no-pie"
- export LDFLAGS
+ use_persistent_malloc=yes
+ case $host_os in
+ linux-*)
+ case $CC in
+ gcc | clang)
+ LDFLAGS="${LDFLAGS} -no-pie"
+ export LDFLAGS
+ ;;
+ *)
+ # tinycc and pcc don't support -no-pie flag
+ # their executables are non-PIE automatically
+ # so no need to do anything
+ ;;
+ esac
;;
+ # Other OS's go here...
*)
- # tinycc and pcc don't support -no-pie flag
- # their executables are non-PIE automatically
- # so no need to do anything
+ # For now, play it safe
+ use_persistent_malloc=no
;;
esac
- ;;
- # Other OS's go here...
- *)
- # For now, play it safe
+ else
use_persistent_malloc=no
- ;;
- esac
- else
- use_persistent_malloc=no
- fi
- if test "$use_persistent_malloc" = "yes"; then
+ fi
+fi
+ if test "$use_persistent_malloc" = "yes"; then
USE_PERSISTENT_MALLOC_TRUE=
USE_PERSISTENT_MALLOC_FALSE='#'
else
diff --git a/configure.ac b/configure.ac
index d35aaa09..80cee254 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,6 +74,15 @@ AC_ARG_ENABLE([mpfr],
fi
)
+SKIP_PERSIST_MALLOC=no
+AC_ARG_ENABLE([pma],
+ [AS_HELP_STRING([--disable-pma],[do not build gawk with the persistent
memory allocator])],
+ if test "$enableval" = no
+ then
+ SKIP_PERSIST_MALLOC=yes
+ fi
+)
+
EXTENSIONDIR=
AC_ARG_ENABLE([versioned-extension-dir],
[AS_HELP_STRING([--enable-versioned-extension-dir], [use a versioned
directory for extensions])],
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 7d3dcf55..ca89074e 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2022-06-13 Arnold D. Robbins <arnold@skeeve.com>
+
+ * gawktexi.in (Persistent Memory): Document --disable-pma.
+
2022-06-13 Arnold D. Robbins <arnold@skeeve.com>
* gawktexi.in (Persistent Memory): New section.
diff --git a/doc/gawk.info b/doc/gawk.info
index a7ad205a..58d9a353 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -22139,8 +22139,8 @@ ephemeral system memory.
'munmap()' system calls. 'gawk' must be compiled as a non-PIE (Position
Independent Executable) binary, since the persistent store ends up
holding pointers to functions held within the 'gawk' executable. This
-also means that to use the feature, you must use the same executable
-from run to run.
+also means that to use the persistent memory, you must use the same
+executable from run to run.
As of this writing, persistent memory has only been tested on
GNU/Linux systems. On others, your mileage may vary, and/or you may
@@ -22179,8 +22179,12 @@ and arrays, not the totality of 'gawk''s internal
state.
As noted earlier, support for persistent memory is _experimental_.
If it becomes burdensome,(1) then the feature will be removed.
- Following are articles and web links that provide more information
-about persistent memory and why it's useful in a scripting language like
+ You can disable the use of the persistent memory allocator in 'gawk'
+with the '--disable-pma' to the 'configure' command at the time that you
+are building 'gawk' (*note Unix Installation::).
+
+ Here are articles and web links that provide more information about
+persistent memory and why it's useful in a scripting language like
'gawk'.
<https://web.eecs.umich.edu/~tpkelly/pma/>
@@ -39330,244 +39334,244 @@ Ref: Two-way I/O-Footnote-2884143
Node: TCP/IP Networking884225
Node: Profiling887301
Node: Persistent Memory896607
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-Node: I18N Example925059
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-Node: Gawk I18N928516
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-Node: Debugging Concepts931920
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+Node: Old Extension Problems1334730
+Ref: Old Extension Problems-Footnote-11336248
+Node: Extension New Mechanism Goals1336305
+Ref: Extension New Mechanism Goals-Footnote-11339669
+Node: Extension Other Design Decisions1339858
+Node: Extension Future Growth1341971
+Node: Notes summary1342577
+Node: Basic Concepts1343735
+Node: Basic High Level1344416
+Ref: figure-general-flow1344698
+Ref: figure-process-flow1345384
+Ref: Basic High Level-Footnote-11348686
+Node: Basic Data Typing1348871
+Node: Glossary1352199
+Node: Copying1384086
+Node: GNU Free Documentation License1421629
+Node: Index1446749
End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index ca498193..585903e5 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -30964,19 +30964,21 @@ code, it will appear that way in the output.
@section Preserving Data Between Runs
Starting with @value{PVERSION} 5.2, @command{gawk} supports
-@dfn{persistent memory}. This experimental feature stores the values of all
of @command{gawk}'s
-variables and arrays in a large, sparse file in the filesystem. When
persistent memory
-is not in use (the normal case), @command{gawk}'s data resides in ephemeral
system
-memory.
-
-Persistent memory is enabled on systems supporting the @code{mmap()} and
@code{munmap()}
-system calls. @command{gawk} must be compiled as a non-PIE (Position
Independent Executable)
-binary, since the persistent store ends up holding pointers to functions held
within
-the @command{gawk} executable. This also means that to use the feature, you
must use
-the same executable from run to run.
-
-As of this writing, persistent memory has only been tested on GNU/Linux
systems. On others,
-your mileage may vary, and/or you may need to investigate how to make it work
for you.
+@dfn{persistent memory}. This experimental feature stores the values of
+all of @command{gawk}'s variables and arrays in a large, sparse file in
+the filesystem. When persistent memory is not in use (the normal case),
+@command{gawk}'s data resides in ephemeral system memory.
+
+Persistent memory is enabled on systems supporting the @code{mmap()}
+and @code{munmap()} system calls. @command{gawk} must be compiled as a
+non-PIE (Position Independent Executable) binary, since the persistent
+store ends up holding pointers to functions held within the @command{gawk}
+executable. This also means that to use the persistent memory, you must
+use the same executable from run to run.
+
+As of this writing, persistent memory has only been tested on GNU/Linux
+systems. On others, your mileage may vary, and/or you may need to
+investigate how to make it work for you.
To use persistent memory, follow these steps:
@@ -31024,7 +31026,11 @@ becomes burdensome,@footnote{Meaning, there are too
many bug reports, or
too many strange differences in behavior from when @command{gawk} is run
normally.} then the feature will be removed.
-Following are articles and web links that provide more information
+You can disable the use of the persistent memory allocator in @command{gawk}
+with the @option{--disable-pma} to the @command{configure} command at the
+time that you are building @command{gawk} (@pxref{Unix Installation}).
+
+Here are articles and web links that provide more information
about persistent memory and why it's useful in a scripting language
like @command{gawk}.
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 74b2f65c..71eb44c0 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -29846,19 +29846,21 @@ code, it will appear that way in the output.
@section Preserving Data Between Runs
Starting with @value{PVERSION} 5.2, @command{gawk} supports
-@dfn{persistent memory}. This experimental feature stores the values of all
of @command{gawk}'s
-variables and arrays in a large, sparse file in the filesystem. When
persistent memory
-is not in use (the normal case), @command{gawk}'s data resides in ephemeral
system
-memory.
-
-Persistent memory is enabled on systems supporting the @code{mmap()} and
@code{munmap()}
-system calls. @command{gawk} must be compiled as a non-PIE (Position
Independent Executable)
-binary, since the persistent store ends up holding pointers to functions held
within
-the @command{gawk} executable. This also means that to use the feature, you
must use
-the same executable from run to run.
-
-As of this writing, persistent memory has only been tested on GNU/Linux
systems. On others,
-your mileage may vary, and/or you may need to investigate how to make it work
for you.
+@dfn{persistent memory}. This experimental feature stores the values of
+all of @command{gawk}'s variables and arrays in a large, sparse file in
+the filesystem. When persistent memory is not in use (the normal case),
+@command{gawk}'s data resides in ephemeral system memory.
+
+Persistent memory is enabled on systems supporting the @code{mmap()}
+and @code{munmap()} system calls. @command{gawk} must be compiled as a
+non-PIE (Position Independent Executable) binary, since the persistent
+store ends up holding pointers to functions held within the @command{gawk}
+executable. This also means that to use the persistent memory, you must
+use the same executable from run to run.
+
+As of this writing, persistent memory has only been tested on GNU/Linux
+systems. On others, your mileage may vary, and/or you may need to
+investigate how to make it work for you.
To use persistent memory, follow these steps:
@@ -29906,7 +29908,11 @@ becomes burdensome,@footnote{Meaning, there are too
many bug reports, or
too many strange differences in behavior from when @command{gawk} is run
normally.} then the feature will be removed.
-Following are articles and web links that provide more information
+You can disable the use of the persistent memory allocator in @command{gawk}
+with the @option{--disable-pma} to the @command{configure} command at the
+time that you are building @command{gawk} (@pxref{Unix Installation}).
+
+Here are articles and web links that provide more information
about persistent memory and why it's useful in a scripting language
like @command{gawk}.
diff --git a/m4/ChangeLog b/m4/ChangeLog
index 48662e93..37aca2ef 100644
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,7 +1,7 @@
2022-06-14 Arnold D. Robbins <arnold@skeeve.com>
* pma.m4: Put -no-pie inside additional check for gcc and clang.
- Tinycc and PCC are no-PIE anyway.
+ Tinycc and PCC are no-PIE anyway. Add support for --disable-pma.
2022-06-13 Arnold D. Robbins <arnold@skeeve.com>
diff --git a/m4/pma.m4 b/m4/pma.m4
index 0b720da5..2c9bfc39 100644
--- a/m4/pma.m4
+++ b/m4/pma.m4
@@ -7,34 +7,38 @@ dnl Decide whether or not to use the persistent memory
allocator
AC_DEFUN([GAWK_USE_PERSISTENT_MALLOC],
[
- AC_CHECK_FUNC([mmap])
- AC_CHECK_FUNC([munmap])
- if test $ac_cv_func_mmap = yes && test $ac_cv_func_munmap = yes
- then
- AC_DEFINE(USE_PERSISTENT_MALLOC, 1, [Define to 1 if we can use the pma
allocator])
- use_persistent_malloc=yes
- case $host_os in
- linux-*)
- case $CC in
- gcc | clang)
- LDFLAGS="${LDFLAGS} -no-pie"
- export LDFLAGS
+use_persistent_malloc=no
+if test "$SKIP_PERSIST_MALLOC" = no
+then
+ AC_CHECK_FUNC([mmap])
+ AC_CHECK_FUNC([munmap])
+ if test $ac_cv_func_mmap = yes && test $ac_cv_func_munmap = yes
+ then
+ AC_DEFINE(USE_PERSISTENT_MALLOC, 1, [Define to 1 if we can use
the pma allocator])
+ use_persistent_malloc=yes
+ case $host_os in
+ linux-*)
+ case $CC in
+ gcc | clang)
+ LDFLAGS="${LDFLAGS} -no-pie"
+ export LDFLAGS
+ ;;
+ *)
+ # tinycc and pcc don't support -no-pie flag
+ # their executables are non-PIE automatically
+ # so no need to do anything
+ ;;
+ esac
;;
+ # Other OS's go here...
*)
- # tinycc and pcc don't support -no-pie flag
- # their executables are non-PIE automatically
- # so no need to do anything
+ # For now, play it safe
+ use_persistent_malloc=no
;;
esac
- ;;
- # Other OS's go here...
- *)
- # For now, play it safe
+ else
use_persistent_malloc=no
- ;;
- esac
- else
- use_persistent_malloc=no
- fi
- AM_CONDITIONAL([USE_PERSISTENT_MALLOC], [test "$use_persistent_malloc" =
"yes"])
+ fi
+fi
+AM_CONDITIONAL([USE_PERSISTENT_MALLOC], [test "$use_persistent_malloc" =
"yes"])
])
diff --git a/main.c b/main.c
index 1abac2a7..b340328c 100644
--- a/main.c
+++ b/main.c
@@ -232,6 +232,8 @@ for PMA */
const char *initial_locale;
#endif
+ myname = gawk_name(argv[0]);
+
if (pma_init(1, persist_file) < 0) {
fatal(_("persistent memory allocator failed to initialize"));
}
@@ -252,8 +254,6 @@ for PMA */
mtrace();
#endif /* HAVE_MTRACE */
#endif /* HAVE_MCHECK_H */
-
- myname = gawk_name(argv[0]);
os_arg_fixup(&argc, &argv); /* emulate redirection, expand wildcards */
if (argc < 2)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 +
configure | 67 +++++---
configure.ac | 9 ++
doc/ChangeLog | 4 +
doc/gawk.info | 488 ++++++++++++++++++++++++++++----------------------------
doc/gawk.texi | 34 ++--
doc/gawktexi.in | 34 ++--
m4/ChangeLog | 2 +-
m4/pma.m4 | 54 ++++---
main.c | 4 +-
10 files changed, 380 insertions(+), 322 deletions(-)
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