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[SCM] gawk branch, gawk-5.2-stable, updated. gawk-4.1.0-4969-g8ef27c83
|
From: |
Arnold Robbins |
|
Subject: |
[SCM] gawk branch, gawk-5.2-stable, updated. gawk-4.1.0-4969-g8ef27c83 |
|
Date: |
Thu, 1 Dec 2022 14:54:50 -0500 (EST) |
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, gawk-5.2-stable has been updated
via 8ef27c83a23fea93cca0b4efc12521a5bb5b186f (commit)
from e0b7737930f8a677d3c509f8ce72b9130965ec0a (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=8ef27c83a23fea93cca0b4efc12521a5bb5b186f
commit 8ef27c83a23fea93cca0b4efc12521a5bb5b186f
Author: Arnold D. Robbins <arnold@skeeve.com>
Date: Thu Dec 1 21:54:12 2022 +0200
Disallow using / not using -M for multiple invocations with PMA.
diff --git a/ChangeLog b/ChangeLog
index 0ae42e69..01923d60 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2022-12-01 Arnold D. Robbins <arnold@skeeve.com>
+
+ Disallow using / not using -M across invocations of gawk with
+ a persistent heap.
+
+ * awk.h (pma_mpfr_check): Add declaration.
+ * symbol.c (pma_mpfr_check): New function. Enhance root pointer
+ structure.
+ * main.c (parse_args): Call pma_mpfr_check() if using persisent
+ malloc.
+
2022-11-23 Arnold D. Robbins <arnold@skeeve.com>
* msg.c: Update to GPL 3. Thanks to Corinna Vinschen for
diff --git a/awk.h b/awk.h
index 5cdc53d3..221634dd 100644
--- a/awk.h
+++ b/awk.h
@@ -1794,6 +1794,7 @@ extern NODE **function_list(bool sort);
extern void print_vars(NODE **table, Func_print print_func, FILE *fp);
extern bool check_param_names(void);
extern bool is_all_upper(const char *name);
+extern void pma_mpfr_check(void);
/* floatcomp.c */
#ifdef HAVE_UINTMAX_T
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 2652982c..1d753f97 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2022-12-01 Arnold D. Robbins <arnold@skeeve.com>
+
+ * gawktexi.in (Persistent Memory): Document that using / not using
+ -M across invocations doesn't work and issues a fatal error message.
+
2022-11-17 Arnold D. Robbins <arnold@skeeve.com>
* 5.2.1: Release tar ball made.
diff --git a/doc/gawk.info b/doc/gawk.info
index a2e84c77..937784cc 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -22171,12 +22171,12 @@ so:
If you see the 'PMA' with a version indicator, then it's supported.
As of this writing, persistent memory has only been tested on
-GNU/Linux, Cygwin, Solaris 2.11, macOS systems,(1) FreeBSD 13.1 and
-OpenBSD 7.1. On all others, persistent memory is disabled by default.
-You can force it to be enabled by exporting the shell variable
-'REALLY_USE_PERSIST_MALLOC' with a nonempty value before running
-'configure' (*note Quick Installation::). If you do so and all the
-tests pass, please let the maintainer know.
+GNU/Linux, Cygwin, Solaris 2.11, Intel architecture macOS systems,
+FreeBSD 13.1 and OpenBSD 7.1. On all others, persistent memory is
+disabled by default. You can force it to be enabled by exporting the
+shell variable 'REALLY_USE_PERSIST_MALLOC' with a nonempty value before
+running 'configure' (*note Quick Installation::). If you do so and all
+the tests pass, please let the maintainer know.
To use persistent memory, follow these steps:
@@ -22242,9 +22242,8 @@ the different verbosity levels are.
run, do not use it on any subsequent runs.
Mixing and matching MPFR mode and regular mode with the same
- backing file will lead to strange results and/or core dumps.
- 'gawk' does not currently detect such a situation and may not do so
- in the future either.
+ backing file is not allowed. 'gawk' detects such a situation and
+ issues a fatal error message.
Additionally, the GNU/Linux CIFS filesystem is known to not work
well with the PMA allocator. Don't use a backing file on a CIFS
@@ -22311,14 +22310,11 @@ otherwise undocumented.
persistent functions.
As noted earlier, support for persistent memory is _experimental_.
-If it becomes burdensome,(2) then the feature will be removed.
+If it becomes burdensome,(1) then the feature will be removed.
---------- Footnotes ----------
- (1) For reasons explained in 'README_d/README.macosx', 'gawk' is
-always built as an Intel architecture executable, even on M1 systems.
-
- (2) Meaning, there are too many bug reports, or too many strange
+ (1) Meaning, there are too many bug reports, or too many strange
differences in behavior from when 'gawk' is run normally.
@@ -37832,7 +37828,7 @@ Index
* Kahrs, Jürgen <1>: Contributors. (line 71)
* Kasal, Stepan: Acknowledgments. (line 60)
* Kelly, Terence: Persistent Memory. (line 71)
-* Kelly, Terence <1>: Persistent Memory. (line 117)
+* Kelly, Terence <1>: Persistent Memory. (line 116)
* Kelly, Terence <2>: Feature History. (line 508)
* Kenobi, Obi-Wan: Undocumented. (line 6)
* Kernighan, Brian: History. (line 17)
@@ -39628,245 +39624,244 @@ Ref: Two-way I/O-Footnote-2885054
Node: TCP/IP Networking885136
Node: Profiling888212
Node: Persistent Memory897518
-Ref: Persistent Memory-Footnote-1905824
-Ref: Persistent Memory-Footnote-2905963
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-Node: Advanced Features Summary907577
-Node: Internationalization909749
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-Node: I18N Example930731
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-Node: Basic Data Typing1356194
-Node: Glossary1359522
-Node: Copying1391409
-Node: GNU Free Documentation License1428952
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+Ref: Persistent Memory-Footnote-1905781
+Node: Extension Philosophy905908
+Node: Advanced Features Summary907395
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+Ref: table-predefined-precision-strings1019536
+Node: Setting the rounding mode1021367
+Ref: table-gawk-rounding-modes1021741
+Ref: Setting the rounding mode-Footnote-11025673
+Node: Arbitrary Precision Integers1025852
+Ref: Arbitrary Precision Integers-Footnote-11029027
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+Node: Extension Intro1039084
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+Ref: General Data Types-Footnote-11062813
+Node: Memory Allocation Functions1063112
+Ref: Memory Allocation Functions-Footnote-11067613
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+Node: Notes1317328
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+Node: Implementation Limitations1339517
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+Node: Extension New Mechanism Goals1343446
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+Node: Notes summary1349718
+Node: Basic Concepts1350876
+Node: Basic High Level1351557
+Ref: figure-general-flow1351839
+Ref: figure-process-flow1352525
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+Node: Basic Data Typing1356012
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+Node: Copying1391227
+Node: GNU Free Documentation License1428770
+Node: Index1453890
End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index def8dc8a..5ff6b507 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -31076,9 +31076,7 @@ If you see the @samp{PMA} with a version indicator,
then it's supported.
@cindex @env{REALLY_USE_PERSIST_MALLOC} environment variable
@cindex environment variables @subentry @env{REALLY_USE_PERSIST_MALLOC}
As of this writing, persistent memory has only been tested on GNU/Linux,
-Cygwin, Solaris 2.11, macOS systems,@footnote{For reasons explained in
-@file{README_d/README.macosx}, @command{gawk} is always built as an Intel
-architecture executable, even on M1 systems.}
+Cygwin, Solaris 2.11, Intel architecture macOS systems,
FreeBSD 13.1 and OpenBSD 7.1.
On all others, persistent memory is disabled by default. You can force
it to be enabled by exporting the shell variable
@@ -31179,10 +31177,9 @@ of a program using persistent memory, you @emph{must}
continue
to use it on all subsequent runs. Similarly, if you don't use @option{-M}
on the first run, do not use it on any subsequent runs.
-Mixing and matching MPFR mode and regular mode with the same
-backing file will lead to strange results and/or core dumps.
-@command{gawk} does not currently detect such a situation and
-may not do so in the future either.
+Mixing and matching MPFR mode and regular mode with the same backing
+file is not allowed. @command{gawk} detects such a situation and issues
+a fatal error message.
Additionally, the GNU/Linux CIFS filesystem is known to not
work well with the PMA allocator.
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index 66b7dce6..8ef44e19 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -29958,9 +29958,7 @@ If you see the @samp{PMA} with a version indicator,
then it's supported.
@cindex @env{REALLY_USE_PERSIST_MALLOC} environment variable
@cindex environment variables @subentry @env{REALLY_USE_PERSIST_MALLOC}
As of this writing, persistent memory has only been tested on GNU/Linux,
-Cygwin, Solaris 2.11, macOS systems,@footnote{For reasons explained in
-@file{README_d/README.macosx}, @command{gawk} is always built as an Intel
-architecture executable, even on M1 systems.}
+Cygwin, Solaris 2.11, Intel architecture macOS systems,
FreeBSD 13.1 and OpenBSD 7.1.
On all others, persistent memory is disabled by default. You can force
it to be enabled by exporting the shell variable
@@ -30061,10 +30059,9 @@ of a program using persistent memory, you @emph{must}
continue
to use it on all subsequent runs. Similarly, if you don't use @option{-M}
on the first run, do not use it on any subsequent runs.
-Mixing and matching MPFR mode and regular mode with the same
-backing file will lead to strange results and/or core dumps.
-@command{gawk} does not currently detect such a situation and
-may not do so in the future either.
+Mixing and matching MPFR mode and regular mode with the same backing
+file is not allowed. @command{gawk} detects such a situation and issues
+a fatal error message.
Additionally, the GNU/Linux CIFS filesystem is known to not
work well with the PMA allocator.
diff --git a/main.c b/main.c
index ef0ab023..9443f5bc 100644
--- a/main.c
+++ b/main.c
@@ -1854,6 +1854,9 @@ parse_args(int argc, char **argv)
out:
do_optimize = (do_optimize && ! do_pretty_print);
+ if (using_persistent_malloc)
+ pma_mpfr_check();
+
return;
}
diff --git a/symbol.c b/symbol.c
index b74208d7..65e710e4 100644
--- a/symbol.c
+++ b/symbol.c
@@ -66,6 +66,16 @@ init_the_tables(void)
installing_specials = false;
}
+// using persistent memory, manage the root pointer
+// which holds this struct:
+struct root_pointers {
+ NODE *global_table;
+ NODE *func_table;
+ NODE *symbol_table;
+ bool first;
+ int mpfr;
+} *root_pointers = NULL;
+
/* init_symbol_table --- make sure the symbol tables are initialized */
void
@@ -77,14 +87,6 @@ init_symbol_table()
return;
}
- // using persistent memory, get the root pointer
- // which holds this struct:
- struct root_pointers {
- NODE *global_table;
- NODE *func_table;
- NODE *symbol_table;
- } *root_pointers = NULL;
-
root_pointers = (struct root_pointers *) pma_get_root();
if (root_pointers == NULL) {
@@ -98,6 +100,8 @@ init_symbol_table()
root_pointers->global_table = global_table;
root_pointers->func_table = func_table;
root_pointers->symbol_table = symbol_table;
+ root_pointers->first = true;
+ root_pointers->mpfr = 0;
pma_set_root(root_pointers);
} else {
// this is the next time, get the saved pointers and put them
back in place
@@ -112,6 +116,22 @@ init_symbol_table()
}
}
+/* pma_mpfr_check --- check that -M is same between invocations */
+
+void
+pma_mpfr_check(void)
+{
+ if (root_pointers->first) {
+ root_pointers->first = false;
+ root_pointers->mpfr = do_mpfr;
+ pma_set_root(root_pointers);
+ return;
+ }
+
+ if (root_pointers->mpfr != do_mpfr)
+ fatal(_("current setting of -M/--bignum does not match saved
setting in PMA backing file"));
+}
+
/*
* install_symbol:
* Install a global name in the symbol table, even if it is already there.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 11 ++
awk.h | 1 +
doc/ChangeLog | 5 +
doc/gawk.info | 503 ++++++++++++++++++++++++++++----------------------------
doc/gawk.texi | 11 +-
doc/gawktexi.in | 11 +-
main.c | 3 +
symbol.c | 36 +++-
8 files changed, 305 insertions(+), 276 deletions(-)
hooks/post-receive
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