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-rw-r--r--usr/src/lib/libshell/misc/ERRATA.txt697
1 files changed, 574 insertions, 123 deletions
diff --git a/usr/src/lib/libshell/misc/ERRATA.txt b/usr/src/lib/libshell/misc/ERRATA.txt
index 23a8ef17c9..dc860d14fb 100644
--- a/usr/src/lib/libshell/misc/ERRATA.txt
+++ b/usr/src/lib/libshell/misc/ERRATA.txt
@@ -33,7 +33,7 @@
######## Errata #001: ########
The usage of |posix_spawn()| has been manually disabled because there seems to be a
race condition which cases sporadic failures like this:
--- snip --.
+-- snip --
$ builtin | fgrep sum | fgrep sum
/usr/ast/bin/sum
/usr/bin/sum
@@ -44,8 +44,8 @@ The following files have been changed:
-- snip --
Index: src/lib/libast/sparcv9/include/ast/ast_lib.h
===================================================================
---- src/lib/libast/sparcv9/include/ast/ast_lib.h (revision 888)
-+++ src/lib/libast/sparcv9/include/ast/ast_lib.h (working copy)
+--- usr/src/lib/libast/sparcv9/include/ast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/sparcv9/include/ast/ast_lib.h (working copy)
@@ -160,7 +160,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -57,8 +57,8 @@ Index: src/lib/libast/sparcv9/include/ast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/sparcv9/src/lib/libast/ast_lib.h
===================================================================
---- src/lib/libast/sparcv9/src/lib/libast/ast_lib.h (revision 888)
-+++ src/lib/libast/sparcv9/src/lib/libast/ast_lib.h (working copy)
+--- usr/src/lib/libast/sparcv9/src/lib/libast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/sparcv9/src/lib/libast/ast_lib.h (working copy)
@@ -139,7 +139,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -70,8 +70,8 @@ Index: src/lib/libast/sparcv9/src/lib/libast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/sparcv9/src/lib/libast/FEATURE/lib
===================================================================
---- src/lib/libast/sparcv9/src/lib/libast/FEATURE/lib (revision 888)
-+++ src/lib/libast/sparcv9/src/lib/libast/FEATURE/lib (working copy)
+--- usr/src/lib/libast/sparcv9/src/lib/libast/FEATURE/lib (revision 888)
++++ usr/src/lib/libast/sparcv9/src/lib/libast/FEATURE/lib (working copy)
@@ -139,7 +139,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -83,8 +83,8 @@ Index: src/lib/libast/sparcv9/src/lib/libast/FEATURE/lib
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/sparc/include/ast/ast_lib.h
===================================================================
---- src/lib/libast/sparc/include/ast/ast_lib.h (revision 888)
-+++ src/lib/libast/sparc/include/ast/ast_lib.h (working copy)
+--- usr/src/lib/libast/sparc/include/ast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/sparc/include/ast/ast_lib.h (working copy)
@@ -171,7 +171,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -96,8 +96,8 @@ Index: src/lib/libast/sparc/include/ast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/sparc/src/lib/libast/ast_lib.h
===================================================================
---- src/lib/libast/sparc/src/lib/libast/ast_lib.h (revision 888)
-+++ src/lib/libast/sparc/src/lib/libast/ast_lib.h (working copy)
+--- usr/src/lib/libast/sparc/src/lib/libast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/sparc/src/lib/libast/ast_lib.h (working copy)
@@ -150,7 +150,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -109,8 +109,8 @@ Index: src/lib/libast/sparc/src/lib/libast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/sparc/src/lib/libast/FEATURE/lib
===================================================================
---- src/lib/libast/sparc/src/lib/libast/FEATURE/lib (revision 888)
-+++ src/lib/libast/sparc/src/lib/libast/FEATURE/lib (working copy)
+--- usr/src/lib/libast/sparc/src/lib/libast/FEATURE/lib (revision 888)
++++ usr/src/lib/libast/sparc/src/lib/libast/FEATURE/lib (working copy)
@@ -150,7 +150,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -122,8 +122,8 @@ Index: src/lib/libast/sparc/src/lib/libast/FEATURE/lib
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/i386/include/ast/ast_lib.h
===================================================================
---- src/lib/libast/i386/include/ast/ast_lib.h (revision 888)
-+++ src/lib/libast/i386/include/ast/ast_lib.h (working copy)
+--- usr/src/lib/libast/i386/include/ast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/i386/include/ast/ast_lib.h (working copy)
@@ -171,7 +171,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -135,8 +135,8 @@ Index: src/lib/libast/i386/include/ast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/i386/src/lib/libast/ast_lib.h
===================================================================
---- src/lib/libast/i386/src/lib/libast/ast_lib.h (revision 888)
-+++ src/lib/libast/i386/src/lib/libast/ast_lib.h (working copy)
+--- usr/src/lib/libast/i386/src/lib/libast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/i386/src/lib/libast/ast_lib.h (working copy)
@@ -150,7 +150,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -148,8 +148,8 @@ Index: src/lib/libast/i386/src/lib/libast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/i386/src/lib/libast/FEATURE/lib
===================================================================
---- src/lib/libast/i386/src/lib/libast/FEATURE/lib (revision 888)
-+++ src/lib/libast/i386/src/lib/libast/FEATURE/lib (working copy)
+--- usr/src/lib/libast/i386/src/lib/libast/FEATURE/lib (revision 888)
++++ usr/src/lib/libast/i386/src/lib/libast/FEATURE/lib (working copy)
@@ -150,7 +150,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -161,8 +161,8 @@ Index: src/lib/libast/i386/src/lib/libast/FEATURE/lib
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/amd64/include/ast/ast_lib.h
===================================================================
---- src/lib/libast/amd64/include/ast/ast_lib.h (revision 888)
-+++ src/lib/libast/amd64/include/ast/ast_lib.h (working copy)
+--- usr/src/lib/libast/amd64/include/ast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/amd64/include/ast/ast_lib.h (working copy)
@@ -160,7 +160,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -174,8 +174,8 @@ Index: src/lib/libast/amd64/include/ast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/amd64/src/lib/libast/ast_lib.h
===================================================================
---- src/lib/libast/amd64/src/lib/libast/ast_lib.h (revision 888)
-+++ src/lib/libast/amd64/src/lib/libast/ast_lib.h (working copy)
+--- usr/src/lib/libast/amd64/src/lib/libast/ast_lib.h (revision 888)
++++ usr/src/lib/libast/amd64/src/lib/libast/ast_lib.h (working copy)
@@ -139,7 +139,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -187,8 +187,8 @@ Index: src/lib/libast/amd64/src/lib/libast/ast_lib.h
#define _hdr_string 1 /* #include <string.h> ok */
Index: src/lib/libast/amd64/src/lib/libast/FEATURE/lib
===================================================================
---- src/lib/libast/amd64/src/lib/libast/FEATURE/lib (revision 888)
-+++ src/lib/libast/amd64/src/lib/libast/FEATURE/lib (working copy)
+--- usr/src/lib/libast/amd64/src/lib/libast/FEATURE/lib (revision 888)
++++ usr/src/lib/libast/amd64/src/lib/libast/FEATURE/lib (working copy)
@@ -139,7 +139,7 @@
#define _hdr_unistd 1 /* #include <unistd.h> ok */
#define _lib_vfork 1 /* vfork exists and it works */
@@ -202,6 +202,160 @@ Index: src/lib/libast/amd64/src/lib/libast/FEATURE/lib
######## Errata #002: ########
+The usage of |mmap()| has been manually enabled to improve I/O performance.
+The following files have been changed:
+-- snip --
+Index: usr/src/lib/libast/sparcv9/include/ast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/sparcv9/include/ast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/sparcv9/include/ast/ast_mmap.h (working copy)
+@@ -28,6 +28,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/sparcv9/src/lib/libast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/sparcv9/src/lib/libast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/sparcv9/src/lib/libast/ast_mmap.h (working copy)
+@@ -7,6 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/sparcv9/src/lib/libast/FEATURE/mmap
+===================================================================
+--- usr/src/lib/libast/sparcv9/src/lib/libast/FEATURE/mmap (revision 1701)
++++ usr/src/lib/libast/sparcv9/src/lib/libast/FEATURE/mmap (working copy)
+@@ -7,6 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/sparc/include/ast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/sparc/include/ast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/sparc/include/ast/ast_mmap.h (working copy)
+@@ -28,7 +28,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
+-#define _mmap_worthy 1 /* mmap is good */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/sparc/src/lib/libast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/sparc/src/lib/libast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/sparc/src/lib/libast/ast_mmap.h (working copy)
+@@ -7,7 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
+-#define _mmap_worthy 1 /* mmap is good */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/sparc/src/lib/libast/FEATURE/mmap
+===================================================================
+--- usr/src/lib/libast/sparc/src/lib/libast/FEATURE/mmap (revision 1701)
++++ usr/src/lib/libast/sparc/src/lib/libast/FEATURE/mmap (working copy)
+@@ -7,7 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
+-#define _mmap_worthy 1 /* mmap is good */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/i386/include/ast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/i386/include/ast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/i386/include/ast/ast_mmap.h (working copy)
+@@ -28,6 +28,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/i386/src/lib/libast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/i386/src/lib/libast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/i386/src/lib/libast/ast_mmap.h (working copy)
+@@ -7,6 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/i386/src/lib/libast/FEATURE/mmap
+===================================================================
+--- usr/src/lib/libast/i386/src/lib/libast/FEATURE/mmap (revision 1701)
++++ usr/src/lib/libast/i386/src/lib/libast/FEATURE/mmap (working copy)
+@@ -7,6 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/amd64/include/ast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/amd64/include/ast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/amd64/include/ast/ast_mmap.h (working copy)
+@@ -28,6 +28,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/amd64/src/lib/libast/ast_mmap.h
+===================================================================
+--- usr/src/lib/libast/amd64/src/lib/libast/ast_mmap.h (revision 1701)
++++ usr/src/lib/libast/amd64/src/lib/libast/ast_mmap.h (working copy)
+@@ -7,6 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+Index: usr/src/lib/libast/amd64/src/lib/libast/FEATURE/mmap
+===================================================================
+--- usr/src/lib/libast/amd64/src/lib/libast/FEATURE/mmap (revision 1701)
++++ usr/src/lib/libast/amd64/src/lib/libast/FEATURE/mmap (working copy)
+@@ -7,6 +7,7 @@
+ #define _lib_mmap64 1 /* mmap64 interface and implementation work */
+ #define _mmap_anon 1 /* use mmap MAP_ANON to get raw memory */
+ #define _mmap_devzero 1 /* use mmap on /dev/zero to get raw memory */
++#define _mmap_worthy 2 /* mmap is good */
+
+ /* some systems get it wrong but escape concise detection */
+ #ifndef _NO_MMAP
+-- snip --
+
+
+######## Errata #003: ########
A workaround was added for a problem with the "multiline" editor mode which
occurs when the edit line becomes longer than the terminal's width and the
terminal cursor is not at position 0 when PS1 is send to the terminal.
@@ -217,118 +371,415 @@ PS1 set by /etc/ksh.kshrc, this causes the shell to move to the beginning
of the next line if the terminal cursor is not at position 0.
-######## Errata #003: ########
-A fix was backported to cure sporadic VSC test suite failures. The failures are
-generated when command substitutions+functions are executed in a nested manner
-- sometimes the return code is non-zero even if the called function explicitly
-contains a "return 0"-statement.
+######## Errata #004: ########
+A workaround has been added for a probem with the AST "tail" builtin which
+causes "tail" to sleep too long when polling for data in "follow" mode.
The following files have been changed:
-- snip --
-Index: src/lib/libshell/common/sh/jobs.c
+Index: src/lib/libcmd/common/tail.c
===================================================================
---- src/lib/libshell/common/sh/jobs.c (revision 1284)
-+++ src/lib/libshell/common/sh/jobs.c (working copy)
-@@ -1224,6 +1224,8 @@
- job_lock();
- if(pid > 1)
- {
-+ if(pid==sh.spid)
-+ sh.spid = 0;
- if(!(pw=job_bypid(pid)))
+--- usr/src/lib/libcmd/common/tail.c (revision 1701)
++++ usr/src/lib/libcmd/common/tail.c (working copy)
+@@ -636,7 +636,14 @@
{
- /* check to see whether job status has been saved */
+ if (sfsync(sfstdout))
+ error(ERROR_system(1), "write error");
++#if 0
+ sleep(1);
++#else
++ {
++ struct timespec rqt = { 0L, 1000000000L/4L };
++ (void)nanosleep(&rqt, NULL);
++ }
++#endif
+ n = 0;
+ pp = 0;
+ while (fp)
-- snip --
-######## Errata #004: ########
-A fix was backported to cure a hang in a command substitution when the
-amount of data exceeds a certain amount of data (this was causing
-the hang in CR #6800929 ("snv_106 ksh93 update breaks Install(1M)")).
+######## Errata #005: ########
+The POSIX "cksum"/CRC and AT&T "sum" codepaths in libsum have been reworked
+and then backpoprted to address a performance regression on some
+machine/architecture combinations.
The following files have been changed:
-- snip --
-Index: src/lib/libshell/common/include/defs.h
+Index: usr/src/lib/libsum/common/sum-crc.c
===================================================================
---- src/lib/libshell/common/include/defs.h (revision 1391)
-+++ src/lib/libshell/common/include/defs.h (working copy)
-@@ -166,6 +166,7 @@
- char winch; \
- char indebug; /* set when in debug trap */ \
- unsigned char lastsig; /* last signal received */ \
-+ char subshare; /* set when in ${..} comsub */ \
- char *readscript; /* set before reading a script */ \
- int *inpipe; /* input pipe pointer */ \
- int *outpipe; /* output pipe pointer */ \
-Index: src/lib/libshell/common/sh/subshell.c
-===================================================================
---- src/lib/libshell/common/sh/subshell.c (revision 1391)
-+++ src/lib/libshell/common/sh/subshell.c (working copy)
-@@ -89,6 +89,7 @@
- int coutpipe;
- int cpipe;
- int nofork;
-+ char subshare;
- } *subshell_data;
+--- usr/src/lib/libsum/common/sum-crc.c (revision 1724)
++++ usr/src/lib/libsum/common/sum-crc.c (working copy)
+@@ -48,7 +48,8 @@
+ Crcnum_t init;
+ Crcnum_t done;
+ Crcnum_t xorsize;
+- Crcnum_t tab[256];
++ const Crcnum_t *tab; /* use |const| to give the compiler a hint that the data won't change */
++ Crcnum_t tabdata[256];
+ unsigned int addsize;
+ unsigned int rotate;
+ } Crc_t;
+@@ -56,6 +57,62 @@
+ #define CRC(p,s,c) (s = (s >> 8) ^ (p)->tab[(s ^ (c)) & 0xff])
+ #define CRCROTATE(p,s,c) (s = (s << 8) ^ (p)->tab[((s >> 24) ^ (c)) & 0xff])
- static int subenv;
-@@ -477,7 +478,9 @@
- sp->bckpid = shp->bckpid;
- if(comsub)
- sh_stats(STAT_COMSUB);
-- if(!comsub || (comsub==1 && !sh_isoption(SH_SUBSHARE)))
-+ sp->subshare = shp->subshare;
-+ shp->subshare = comsub==2 || (comsub==1 && sh_isoption(SH_SUBSHARE));
-+ if(!comsub || !shp->subshare)
++static const
++Crcnum_t posix_cksum_tab[256] = {
++ 0x00000000U,
++ 0x04c11db7U, 0x09823b6eU, 0x0d4326d9U, 0x130476dcU, 0x17c56b6bU,
++ 0x1a864db2U, 0x1e475005U, 0x2608edb8U, 0x22c9f00fU, 0x2f8ad6d6U,
++ 0x2b4bcb61U, 0x350c9b64U, 0x31cd86d3U, 0x3c8ea00aU, 0x384fbdbdU,
++ 0x4c11db70U, 0x48d0c6c7U, 0x4593e01eU, 0x4152fda9U, 0x5f15adacU,
++ 0x5bd4b01bU, 0x569796c2U, 0x52568b75U, 0x6a1936c8U, 0x6ed82b7fU,
++ 0x639b0da6U, 0x675a1011U, 0x791d4014U, 0x7ddc5da3U, 0x709f7b7aU,
++ 0x745e66cdU, 0x9823b6e0U, 0x9ce2ab57U, 0x91a18d8eU, 0x95609039U,
++ 0x8b27c03cU, 0x8fe6dd8bU, 0x82a5fb52U, 0x8664e6e5U, 0xbe2b5b58U,
++ 0xbaea46efU, 0xb7a96036U, 0xb3687d81U, 0xad2f2d84U, 0xa9ee3033U,
++ 0xa4ad16eaU, 0xa06c0b5dU, 0xd4326d90U, 0xd0f37027U, 0xddb056feU,
++ 0xd9714b49U, 0xc7361b4cU, 0xc3f706fbU, 0xceb42022U, 0xca753d95U,
++ 0xf23a8028U, 0xf6fb9d9fU, 0xfbb8bb46U, 0xff79a6f1U, 0xe13ef6f4U,
++ 0xe5ffeb43U, 0xe8bccd9aU, 0xec7dd02dU, 0x34867077U, 0x30476dc0U,
++ 0x3d044b19U, 0x39c556aeU, 0x278206abU, 0x23431b1cU, 0x2e003dc5U,
++ 0x2ac12072U, 0x128e9dcfU, 0x164f8078U, 0x1b0ca6a1U, 0x1fcdbb16U,
++ 0x018aeb13U, 0x054bf6a4U, 0x0808d07dU, 0x0cc9cdcaU, 0x7897ab07U,
++ 0x7c56b6b0U, 0x71159069U, 0x75d48ddeU, 0x6b93dddbU, 0x6f52c06cU,
++ 0x6211e6b5U, 0x66d0fb02U, 0x5e9f46bfU, 0x5a5e5b08U, 0x571d7dd1U,
++ 0x53dc6066U, 0x4d9b3063U, 0x495a2dd4U, 0x44190b0dU, 0x40d816baU,
++ 0xaca5c697U, 0xa864db20U, 0xa527fdf9U, 0xa1e6e04eU, 0xbfa1b04bU,
++ 0xbb60adfcU, 0xb6238b25U, 0xb2e29692U, 0x8aad2b2fU, 0x8e6c3698U,
++ 0x832f1041U, 0x87ee0df6U, 0x99a95df3U, 0x9d684044U, 0x902b669dU,
++ 0x94ea7b2aU, 0xe0b41de7U, 0xe4750050U, 0xe9362689U, 0xedf73b3eU,
++ 0xf3b06b3bU, 0xf771768cU, 0xfa325055U, 0xfef34de2U, 0xc6bcf05fU,
++ 0xc27dede8U, 0xcf3ecb31U, 0xcbffd686U, 0xd5b88683U, 0xd1799b34U,
++ 0xdc3abdedU, 0xd8fba05aU, 0x690ce0eeU, 0x6dcdfd59U, 0x608edb80U,
++ 0x644fc637U, 0x7a089632U, 0x7ec98b85U, 0x738aad5cU, 0x774bb0ebU,
++ 0x4f040d56U, 0x4bc510e1U, 0x46863638U, 0x42472b8fU, 0x5c007b8aU,
++ 0x58c1663dU, 0x558240e4U, 0x51435d53U, 0x251d3b9eU, 0x21dc2629U,
++ 0x2c9f00f0U, 0x285e1d47U, 0x36194d42U, 0x32d850f5U, 0x3f9b762cU,
++ 0x3b5a6b9bU, 0x0315d626U, 0x07d4cb91U, 0x0a97ed48U, 0x0e56f0ffU,
++ 0x1011a0faU, 0x14d0bd4dU, 0x19939b94U, 0x1d528623U, 0xf12f560eU,
++ 0xf5ee4bb9U, 0xf8ad6d60U, 0xfc6c70d7U, 0xe22b20d2U, 0xe6ea3d65U,
++ 0xeba91bbcU, 0xef68060bU, 0xd727bbb6U, 0xd3e6a601U, 0xdea580d8U,
++ 0xda649d6fU, 0xc423cd6aU, 0xc0e2d0ddU, 0xcda1f604U, 0xc960ebb3U,
++ 0xbd3e8d7eU, 0xb9ff90c9U, 0xb4bcb610U, 0xb07daba7U, 0xae3afba2U,
++ 0xaafbe615U, 0xa7b8c0ccU, 0xa379dd7bU, 0x9b3660c6U, 0x9ff77d71U,
++ 0x92b45ba8U, 0x9675461fU, 0x8832161aU, 0x8cf30badU, 0x81b02d74U,
++ 0x857130c3U, 0x5d8a9099U, 0x594b8d2eU, 0x5408abf7U, 0x50c9b640U,
++ 0x4e8ee645U, 0x4a4ffbf2U, 0x470cdd2bU, 0x43cdc09cU, 0x7b827d21U,
++ 0x7f436096U, 0x7200464fU, 0x76c15bf8U, 0x68860bfdU, 0x6c47164aU,
++ 0x61043093U, 0x65c52d24U, 0x119b4be9U, 0x155a565eU, 0x18197087U,
++ 0x1cd86d30U, 0x029f3d35U, 0x065e2082U, 0x0b1d065bU, 0x0fdc1becU,
++ 0x3793a651U, 0x3352bbe6U, 0x3e119d3fU, 0x3ad08088U, 0x2497d08dU,
++ 0x2056cd3aU, 0x2d15ebe3U, 0x29d4f654U, 0xc5a92679U, 0xc1683bceU,
++ 0xcc2b1d17U, 0xc8ea00a0U, 0xd6ad50a5U, 0xd26c4d12U, 0xdf2f6bcbU,
++ 0xdbee767cU, 0xe3a1cbc1U, 0xe760d676U, 0xea23f0afU, 0xeee2ed18U,
++ 0xf0a5bd1dU, 0xf464a0aaU, 0xf9278673U, 0xfde69bc4U, 0x89b8fd09U,
++ 0x8d79e0beU, 0x803ac667U, 0x84fbdbd0U, 0x9abc8bd5U, 0x9e7d9662U,
++ 0x933eb0bbU, 0x97ffad0cU, 0xafb010b1U, 0xab710d06U, 0xa6322bdfU,
++ 0xa2f33668U, 0xbcb4666dU, 0xb8757bdaU, 0xb5365d03U, 0xb1f740b4U
++};
++
+ static Sum_t*
+ crc_open(const Method_t* method, const char* name)
+ {
+@@ -73,62 +130,80 @@
+ sum->method = (Method_t*)method;
+ sum->name = name;
+ }
+- polynomial = 0xedb88320;
+- s = name;
+- while (*(t = s))
++
++ if(!strcmp(name, "crc-0x04c11db7-rotate-done-size"))
{
- sp->shpwd = shp->pwd;
- sp->pwd = (shp->pwd?strdup(shp->pwd):0);
-@@ -677,6 +680,7 @@
- shp->cpipe[1] = sp->cpipe;
- shp->coutpipe = sp->coutpipe;
+- for (t = s, v = 0; *s && *s != '-'; s++)
+- if (*s == '=' && !v)
+- v = s;
+- i = (v ? v : s) - t;
+- if (isdigit(*t) || v && i >= 4 && strneq(t, "poly", 4) && (t = v + 1))
+- polynomial = strtoul(t, NiL, 0);
+- else if (strneq(t, "done", i))
+- sum->done = v ? strtoul(v + 1, NiL, 0) : ~sum->done;
+- else if (strneq(t, "init", i))
+- sum->init = v ? strtoul(v + 1, NiL, 0) : ~sum->init;
+- else if (strneq(t, "rotate", i))
+- sum->rotate = 1;
+- else if (strneq(t, "size", i))
+- {
+- sum->addsize = 1;
+- if (v)
+- sum->xorsize = strtoul(v + 1, NiL, 0);
+- }
+- if (*s == '-')
+- s++;
++ sum->init=0;
++ sum->done=0xffffffff;
++ sum->xorsize=0x0;
++ sum->addsize=0x1;
++ sum->rotate=1;
++
++ /* Optimized codepath for POSIX cksum to save startup time */
++ sum->tab=posix_cksum_tab;
}
-+ shp->subshare = sp->subshare;
- if(shp->subshell)
- SH_SUBSHELLNOD->nvalue.s = --shp->subshell;
- if(sp->sig)
-Index: src/lib/libshell/common/sh/xec.c
-===================================================================
---- src/lib/libshell/common/sh/xec.c (revision 1391)
-+++ src/lib/libshell/common/sh/xec.c (working copy)
-@@ -1406,7 +1406,12 @@
- pid_t savepgid = job.curpgid;
- job.curpgid = 0;
- if(shp->subshell)
-- sh_subtmpfile(1);
+- if (sum->rotate)
++ else
+ {
+- Crcnum_t t;
+- Crcnum_t p[8];
+-
+- p[0] = polynomial;
+- for (i = 1; i < 8; i++)
+- p[i] = (p[i-1] << 1) ^ ((p[i-1] & 0x80000000) ? polynomial : 0);
+- for (i = 0; i < elementsof(sum->tab); i++)
++ polynomial = 0xedb88320;
++ s = name;
++ while (*(t = s))
+ {
+- t = 0;
+- x = i;
+- for (j = 0; j < 8; j++)
++ for (t = s, v = 0; *s && *s != '-'; s++)
++ if (*s == '=' && !v)
++ v = s;
++ i = (v ? v : s) - t;
++ if (isdigit(*t) || v && i >= 4 && strneq(t, "poly", 4) && (t = v + 1))
++ polynomial = strtoul(t, NiL, 0);
++ else if (strneq(t, "done", i))
++ sum->done = v ? strtoul(v + 1, NiL, 0) : ~sum->done;
++ else if (strneq(t, "init", i))
++ sum->init = v ? strtoul(v + 1, NiL, 0) : ~sum->init;
++ else if (strneq(t, "rotate", i))
++ sum->rotate = 1;
++ else if (strneq(t, "size", i))
+ {
+- if (x & 1)
+- t ^= p[j];
+- x >>= 1;
++ sum->addsize = 1;
++ if (v)
++ sum->xorsize = strtoul(v + 1, NiL, 0);
+ }
+- sum->tab[i] = t;
++ if (*s == '-')
++ s++;
+ }
+- }
+- else
+- {
+- for (i = 0; i < elementsof(sum->tab); i++)
++ if (sum->rotate)
+ {
+- x = i;
+- for (j = 0; j < 8; j++)
+- x = (x>>1) ^ ((x & 1) ? polynomial : 0);
+- sum->tab[i] = x;
++ Crcnum_t t;
++ Crcnum_t p[8];
++
++ p[0] = polynomial;
++ for (i = 1; i < 8; i++)
++ p[i] = (p[i-1] << 1) ^ ((p[i-1] & 0x80000000) ? polynomial : 0);
++ for (i = 0; i < elementsof(sum->tabdata); i++)
+ {
-+ if(shp->subshare)
-+ sh_subtmpfile(0);
-+ else
-+ sh_subfork();
++ t = 0;
++ x = i;
++ for (j = 0; j < 8; j++)
++ {
++ if (x & 1)
++ t ^= p[j];
++ x >>= 1;
++ }
++ sum->tabdata[i] = t;
+ }
- shp->inpipe = pvo;
- shp->outpipe = pvn;
- pvo[1] = -1;
--- snip --
-
-
-######## Errata #005: ########
-A fix was backported for CR #6807179 to cure an unneccesary
-|libc::getpwnam()| lookup when the shell encountered a
-"~(modifer)pattern"-shell pattern (the leading '~' triggered a
-(unneccesary) tilde expansion).
-The following files have been changed:
--- snip --
---- src/lib/libshell/common/sh/macro.c Wed Feb 18 11:53:56 2009 +0800
-+++ src/lib/libshell/common/sh/macro.c Wed Feb 18 21:45:00 2009 +0100
-@@ -439,7 +439,7 @@
- mp->sp = NIL(Sfio_t*);
- mp->quote = newquote;
- first = cp = fcseek(0);
-- if(!mp->quote && *cp=='~')
-+ if(!mp->quote && *cp=='~' && cp[1]!=LPAREN)
- tilde = stktell(stkp);
- /* handle // operator specially */
- if(mp->pattern==2 && *cp=='/')
-
+ }
++ else
++ {
++ for (i = 0; i < elementsof(sum->tabdata); i++)
++ {
++ x = i;
++ for (j = 0; j < 8; j++)
++ x = (x>>1) ^ ((x & 1) ? polynomial : 0);
++ sum->tabdata[i] = x;
++ }
++ }
++
++ sum->tab=sum->tabdata;
+ }
++
+ return (Sum_t*)sum;
+ }
+
+@@ -141,11 +216,77 @@
+ return 0;
+ }
+
++#if defined(__SUNPRO_C) || defined(__GNUC__)
++
++#if defined(__SUNPRO_C)
++# include <sun_prefetch.h>
++# define sum_prefetch(addr) sun_prefetch_read_many((void *)(addr))
++#elif defined(__GNUC__)
++# define sum_prefetch(addr) __builtin_prefetch((addr), 0, 3)
++#else
++# error Unknown compiler
++#endif
++
++#define CBLOCK_SIZE (64)
++#pragma unroll(16)
++
+ static int
+ crc_block(Sum_t* p, const void* s, size_t n)
+ {
+ Crc_t* sum = (Crc_t*)p;
+ register Crcnum_t c = sum->sum;
++ register const unsigned char* b = (const unsigned char*)s;
++ register const unsigned char* e = b + n;
++ unsigned short i;
++
++ sum_prefetch(b);
++
++ if (sum->rotate)
++ {
++ while (n > CBLOCK_SIZE)
++ {
++ sum_prefetch(b+CBLOCK_SIZE);
++ for(i=0 ; i < CBLOCK_SIZE ; i++)
++ {
++ CRCROTATE(sum, c, *b++);
++ }
++
++ n-=CBLOCK_SIZE;
++ }
++
++ while (b < e)
++ {
++ CRCROTATE(sum, c, *b++);
++ }
++ }
++ else
++ {
++ while (n > CBLOCK_SIZE)
++ {
++ sum_prefetch(b+CBLOCK_SIZE);
++ for(i=0 ; i < CBLOCK_SIZE ; i++)
++ {
++ CRC(sum, c, *b++);
++ }
++
++ n-=CBLOCK_SIZE;
++ }
++
++ while (b < e)
++ {
++ CRC(sum, c, *b++);
++ }
++ }
++
++ sum->sum = c;
++ return 0;
++}
++#else
++static int
++crc_block(Sum_t* p, const void* s, size_t n)
++{
++ Crc_t* sum = (Crc_t*)p;
++ register Crcnum_t c = sum->sum;
+ register unsigned char* b = (unsigned char*)s;
+ register unsigned char* e = b + n;
+
+@@ -158,6 +299,7 @@
+ sum->sum = c;
+ return 0;
+ }
++#endif /* defined(__SUNPRO_C) || defined(__GNUC__) */
+
+ static int
+ crc_done(Sum_t* p)
+Index: usr/src/lib/libsum/common/sum-att.c
+===================================================================
+--- usr/src/lib/libsum/common/sum-att.c (revision 1724)
++++ usr/src/lib/libsum/common/sum-att.c (working copy)
+@@ -35,10 +35,73 @@
+ #define att_data long_data
+ #define att_scale 512
+
++#if defined(__SUNPRO_C) || defined(__GNUC__)
++
++#if defined(__SUNPRO_C)
++# include <sun_prefetch.h>
++# define sum_prefetch(addr) sun_prefetch_read_many((void *)(addr))
++#elif defined(__GNUC__)
++# define sum_prefetch(addr) __builtin_prefetch((addr), 0, 3)
++#else
++# error Unknown compiler
++#endif
++
++#define CBLOCK_SIZE (64)
++#pragma unroll(16)
++
++/* Inmos transputer would love this algorithm */
+ static int
+ att_block(register Sum_t* p, const void* s, size_t n)
+ {
+ register uint32_t c = ((Integral_t*)p)->sum;
++ register const unsigned char* b = (const unsigned char*)s;
++ register const unsigned char* e = b + n;
++ register uint32_t s0, s1, s2, s3, s4, s5, s6, s7;
++ register unsigned int i;
++
++ s0=s1=s2=s3=s4=s5=s6=s7=0U;
++
++ sum_prefetch((void *)b);
++
++ while (n > CBLOCK_SIZE)
++ {
++ sum_prefetch((b+CBLOCK_SIZE));
++
++ /* Compiler will unroll for() loops per #pragma unroll */
++ for (i=0 ; i < (CBLOCK_SIZE/8) ; i++)
++ {
++ /*
++ * use s0-s7 to decouple calculations (this improves pipelining)
++ * because each operation is completely independent from it's
++ * siblings
++ */
++ s0+=b[0];
++ s1+=b[1];
++ s2+=b[2];
++ s3+=b[3];
++ s4+=b[4];
++ s5+=b[5];
++ s6+=b[6];
++ s7+=b[7];
++
++ b+=8;
++ n-=8;
++ }
++ }
++
++ c+=s0+s1+s2+s3+s4+s5+s6+s7;
++
++ while (b < e)
++ c += *b++;
++ ((Integral_t*)p)->sum = c;
++ return 0;
++}
++
++#else
++static int
++att_block(register Sum_t* p, const void* s, size_t n)
++{
++ register uint32_t c = ((Integral_t*)p)->sum;
+ register unsigned char* b = (unsigned char*)s;
+ register unsigned char* e = b + n;
+
+@@ -47,6 +110,7 @@
+ ((Integral_t*)p)->sum = c;
+ return 0;
+ }
++#endif /* defined(__SUNPRO_C) || defined(__GNUC__) */
+
+ static int
+ att_done(Sum_t* p)
-- snip --
-#EOF.
+# EOF.
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-21 01:35:05 +0000