[gawk-diffs] [SCM] gawk branch, master, updated. gawk-4.1.0-1971-gaf43bad

[Arnold Robbins]

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=af43bad53b2f05ba0d4403a59433f587a1e32b22

commit af43bad53b2f05ba0d4403a59433f587a1e32b22
Author: Arnold D. Robbins <address@hidden>
Date:   Mon Aug 29 05:58:49 2016 +0300

    Use fwrite_unlocked if it exists. Nice speedup in output.

diff --git a/ChangeLog b/ChangeLog
index 75d1bd3..023fa88 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2016-08-29         Aharon Robbins       <address@hidden>
+
+       * configure.ac (fwrite_unlocked): Check for it.
+       * awk.h (fwrite): Define to fwrite_unlocked if we have it.
+       * NEWS: Make note of speed improvement.
+
 2016-08-25         Arnold D. Robbins     <address@hidden>
 
        POSIX now says use strcmp for == and !=. Thanks to Chet Ramey
diff --git a/NEWS b/NEWS
index e4ec58f..7163ecf 100644
--- a/NEWS
+++ b/NEWS
@@ -76,6 +76,9 @@ Changes from 4.1.x to 4.2.0
 19. The extension API now provides a mechanism for generating nonfatal
     error messages.
 
+20. Gawk now uses fwrite_unlocked if it's available. The yields a 7% - 18%
+    improvement in raw output speed (gawk '{ print }' on a large file).
+
 Changes from 4.1.3 to 4.1.4
 ---------------------------
 
diff --git a/TODO b/TODO
index e9e5e19..bafb82c 100644
--- a/TODO
+++ b/TODO
@@ -15,8 +15,6 @@ TODO
 Minor Cleanups and Code Improvements
 ------------------------------------
 
-       Use fwrite_unlocked if available. Brings about 7% speedup for output.
-
        API:
                ??? #if !defined(GAWK) && !defined(GAWK_OMIT_CONVENIENCE_MACROS)
 
diff --git a/awk.h b/awk.h
index 2234abf..edd9cb9 100644
--- a/awk.h
+++ b/awk.h
@@ -178,6 +178,10 @@ extern void *memset_ulong(void *dest, int val, unsigned 
long l);
 #define memset memset_ulong
 #endif
 
+#ifdef HAVE_FWRITE_UNLOCKED
+#define fwrite fwrite_unlocked
+#endif /* HAVE_FWRITE_UNLOCKED */
+
 #if defined(__EMX__) || defined(__MINGW32__)
 #include "nonposix.h"
 #endif /* defined(__EMX__) || defined(__MINGW32__) */
diff --git a/configh.in b/configh.in
index 478f712..41f63d4 100644
--- a/configh.in
+++ b/configh.in
@@ -48,6 +48,9 @@
 /* Define to 1 if you have the `fmod' function. */
 #undef HAVE_FMOD
 
+/* Define to 1 if you have the `fwrite_unlocked' function. */
+#undef HAVE_FWRITE_UNLOCKED
+
 /* have getaddrinfo */
 #undef HAVE_GETADDRINFO
 
diff --git a/configure b/configure
index c995535..1fd6e4e 100755
--- a/configure
+++ b/configure
@@ -9811,6 +9811,7 @@ esac
 
 # Need the check for mkstemp and tmpfile for missing_d/snprintf.c.
 for ac_func in __etoa_l atexit btowc fmod getgrent getgroups grantpt \
+       fwrite_unlocked \
        isascii iswctype iswlower iswupper mbrlen \
        memcmp memcpy memcpy_ulong memmove memset \
        memset_ulong mkstemp posix_openpt setenv setlocale setsid sigprocmask \
diff --git a/configure.ac b/configure.ac
index bfe785d..518a739 100644
--- a/configure.ac
+++ b/configure.ac
@@ -264,6 +264,7 @@ esac
 
 # Need the check for mkstemp and tmpfile for missing_d/snprintf.c.
 AC_CHECK_FUNCS(__etoa_l atexit btowc fmod getgrent getgroups grantpt \
+       fwrite_unlocked \
        isascii iswctype iswlower iswupper mbrlen \
        memcmp memcpy memcpy_ulong memmove memset \
        memset_ulong mkstemp posix_openpt setenv setlocale setsid sigprocmask \

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog    |    6 ++++++
 NEWS         |    3 +++
 TODO         |    2 --
 awk.h        |    4 ++++
 configh.in   |    3 +++
 configure    |    1 +
 configure.ac |    1 +
 7 files changed, 18 insertions(+), 2 deletions(-)


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