[gawk-diffs] [SCM] gawk branch, select, updated. gawk-4.1.0-72-g69b59a7

[Andrew J. Schorr]

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The branch, select has been updated
       via  69b59a73db108ede65e4dfce90fcfb10723e1feb (commit)
      from  faf3affc19f760a330153b22a8e56fc9a13a0cb6 (commit)

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=69b59a73db108ede65e4dfce90fcfb10723e1feb

commit 69b59a73db108ede65e4dfce90fcfb10723e1feb
Author: Andrew J. Schorr <address@hidden>
Date:   Sun Jul 7 13:18:41 2013 -0400

    Patch the select extension's set_non_blocking function to check that fcntl 
and O_NONBLOCK are available.

diff --git a/extension/ChangeLog b/extension/ChangeLog
index 244940e..7642797 100644
--- a/extension/ChangeLog
+++ b/extension/ChangeLog
@@ -1,5 +1,11 @@
 2013-07-07         Andrew J. Schorr     <address@hidden>
 
+       * configure.ac (AC_CHECK_FUNCS): Check for fcntl.
+       * select.c (set_non_blocking): Check that fcntl and O_NONBLOCK are
+       available.
+
+2013-07-07         Andrew J. Schorr     <address@hidden>
+
        * select.c (signal_handler): On platforms lacking sigaction, reset
        the signal handler each time a signal is trapped to protect in case
        the system resets it to default.
diff --git a/extension/configh.in b/extension/configh.in
index aa5c71e..847a519 100644
--- a/extension/configh.in
+++ b/extension/configh.in
@@ -39,6 +39,9 @@
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
+/* Define to 1 if you have the `fcntl' function. */
+#undef HAVE_FCNTL
+
 /* Define to 1 if you have the `fdopendir' function. */
 #undef HAVE_FDOPENDIR
 
diff --git a/extension/configure b/extension/configure
index c9cb9a2..efae556 100755
--- a/extension/configure
+++ b/extension/configure
@@ -14017,7 +14017,7 @@ fi
 done
 
 
-for ac_func in fdopendir fnmatch gettimeofday \
+for ac_func in fcntl fdopendir fnmatch gettimeofday \
                getdtablesize kill nanosleep select sigaction sigprocmask \
                GetSystemTimeAsFileTime
 do :
diff --git a/extension/configure.ac b/extension/configure.ac
index aca856a..9571f8d 100644
--- a/extension/configure.ac
+++ b/extension/configure.ac
@@ -70,7 +70,7 @@ AC_HEADER_MAJOR
 AC_CHECK_HEADERS(dirent.h fnmatch.h limits.h time.h sys/time.h sys/select.h \
                sys/param.h signal.h)
 
-AC_CHECK_FUNCS(fdopendir fnmatch gettimeofday \
+AC_CHECK_FUNCS(fcntl fdopendir fnmatch gettimeofday \
                getdtablesize kill nanosleep select sigaction sigprocmask \
                GetSystemTimeAsFileTime)
 
diff --git a/extension/select.c b/extension/select.c
index 072a562..9aefaea 100644
--- a/extension/select.c
+++ b/extension/select.c
@@ -481,6 +481,7 @@ do_select(int nargs, awk_value_t *result)
 static int
 set_non_blocking(int fd)
 {
+#if defined(HAVE_FCNTL) && defined(O_NONBLOCK)
        int flags;
 
        if (((flags = fcntl(fd, F_GETFL)) == -1) ||
@@ -489,6 +490,10 @@ set_non_blocking(int fd)
                return -1;
        }
        return 0;
+#else
+       update_ERRNO_string(_("set_non_blocking: not supported on this 
platform"));
+       return -1;
+#endif
 }
 
 /*  do_set_non_blocking --- Set a file to be non-blocking */

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

Summary of changes:
 extension/ChangeLog    |    6 ++++++
 extension/configh.in   |    3 +++
 extension/configure    |    2 +-
 extension/configure.ac |    2 +-
 extension/select.c     |    5 +++++
 5 files changed, 16 insertions(+), 2 deletions(-)


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