mariadb/mysql-test/main/log_errchk.test

#
--source include/not_windows.inc
--source include/not_embedded.inc

# 
# Bug#14757009 : WHEN THE GENERAL_LOG IS A SOCKET AND THE READER GOES AWAY,
#                MYSQL QUITS WORKING.
#
# MDEV-6870 Not possible to use FIFO file as a general_log file
#

--let $gen_log_file= $MYSQLTEST_VARDIR/tmp/general_log.fifo
--let $slow_query_log_file= $MYSQLTEST_VARDIR/tmp/slow_log.fifo
--let GREP_FILE=$MYSQLTEST_VARDIR/log/mysqld.1.err

--exec mkfifo $gen_log_file
--exec mkfifo $slow_query_log_file

--echo # Case 1: Setting fifo file to general_log_file and slow_query_log_file
--echo #         system variable.
# Setting fifo file to general log reports an error because the other end is closed
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
--error ER_WRONG_VALUE_FOR_VAR
--eval SET GLOBAL general_log_file="$gen_log_file";

--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
--error ER_WRONG_VALUE_FOR_VAR
--eval SET GLOBAL slow_query_log_file="$slow_query_log_file";

--echo # Case 2: Starting server with fifo file as general log file
--echo #         and slow query log file.
# Restart server with fifo file as general log file.
--write_line wait $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--shutdown_server
--source include/wait_until_disconnected.inc
--enable_reconnect
# Write file to make mysql-test-run.pl start up the server again
--write_line "restart: --general-log-file=$gen_log_file --slow-query-log-file=$slow_query_log_file" $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
--source include/wait_until_connected_again.inc

# Error 6 is reported, because the other end is closed
call mtr.add_suppression("Could not use .* for logging \\(error 6\\)");
call mtr.add_suppression("File '.*' not found \\(Errcode: 6 ");
--perl
  my $file= $ENV{'GREP_FILE'};
  my $pattern= "for logging \\(error 6\\)\\. Turning logging off for the whole duration";
  open(FILE, "$file") or die("Unable to open $file: $!\n");
  my $count = 0;
  while (<FILE>) {
    if ($_ =~ m/$pattern/) {
      $count++;
      break;
    }
  }
  if ($count >= 2){
    print "Setting fifo file as general log file and slow query log failed.\n";
  } else {
    print "test failed.\n";
  }
  close(FILE);
EOF

# Cleanup
--remove_file $gen_log_file
--remove_file $slow_query_log_file