[gawk-diffs] [SCM] gawk branch, gawk-4.2-stable, updated. gawk-4.1.0-2923-g8c0f1dc

[Arnold Robbins]

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The branch, gawk-4.2-stable has been updated
       via  8c0f1dcdd4a05a002ae01f586bc0b5386db903d4 (commit)
      from  29141665ddc8055d197652e59a512147f1dcf574 (commit)

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- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=8c0f1dcdd4a05a002ae01f586bc0b5386db903d4

commit 8c0f1dcdd4a05a002ae01f586bc0b5386db903d4
Author: Arnold D. Robbins <address@hidden>
Date:   Sat Feb 10 19:53:27 2018 +0200

    Do fflush(NULL) before abort(), for GLIBC 2.27.

diff --git a/ChangeLog b/ChangeLog
index b467eb2..087dd7c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2018-02-10         Arnold D. Robbins     <address@hidden>
+
+       * main.c, msg.c: Add a call to fflush(NULL) before each call
+       to abort(), since GLIBC 2.27 doesn't necessarily flush before
+       aborting.  Thanks to Nelson H.F. Beebe for the report.
+
 2018-02-09         Arnold D. Robbins     <address@hidden>
 
        * io.c (socketopen): Rearrange assigning the flags to use
diff --git a/main.c b/main.c
index 2860d24..25a628b 100644
--- a/main.c
+++ b/main.c
@@ -1226,6 +1226,8 @@ catchsig(int sig)
                set_loc(__FILE__, __LINE__);
                msg(_("fatal error: internal error"));
                /* fatal won't abort() if not compiled for debugging */
+               // GLIBC 2.27 doesn't necessarily flush on abort. Sigh.
+               fflush(NULL);
                abort();
        } else
                cant_happen();
@@ -1240,6 +1242,7 @@ catchsegv(void *fault_address, int serious)
 {
        set_loc(__FILE__, __LINE__);
        msg(_("fatal error: internal error: segfault"));
+       fflush(NULL);
        abort();
        /*NOTREACHED*/
        return 0;
@@ -1252,6 +1255,7 @@ catchstackoverflow(int emergency, stackoverflow_context_t 
scp)
 {
        set_loc(__FILE__, __LINE__);
        msg(_("fatal error: internal error: stack overflow"));
+       fflush(NULL);
        abort();
        /*NOTREACHED*/
        return;
diff --git a/msg.c b/msg.c
index b474698..20732bc 100644
--- a/msg.c
+++ b/msg.c
@@ -101,6 +101,8 @@ err(bool isfatal, const char *s, const char *emsg, va_list 
argp)
 
        if (isfatal) {
 #ifdef GAWKDEBUG
+               // GLIBC 2.27 doesn't necessarily flush on abort. Sigh.
+               fflush(NULL);
                abort();
 #endif
                gawk_exit(EXIT_FATAL);

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

Summary of changes:
 ChangeLog | 6 ++++++
 main.c    | 4 ++++
 msg.c     | 2 ++
 3 files changed, 12 insertions(+)


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