The addition of child_init_modules() and child_exit_modules() has made child
initialization a critical section. We can't service a USR1, TERM, or HUP request during this period because all our data structures could be in some unknown state. So block_alarms() the whole way through. Fix a segfault caused by terminating before allocating pchild. This won't occur with the above fix in place, but seems a reasonable precaution should there be a need to call clean_child_exit() before pchild is allocated. Fix various cases where exit() was called rather than clean_child_exit(). git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80207 13f79535-47bb-0310-9956-ffa450edef68
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