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Jeff Trawick authored
AIX. On AIX, for processes like mod_cgid's script children where SIGCHLD is ignored, kill(pid,0) returns success for up to one second after the script child exits, based on when a daemon runs to clean up unnecessary process table entries. getpgid() can report the proper info (-1/ESRCH) immediately. One user had a page with a lot of embedded images created by CGIs, and the browser fetched them on a keepalive connection, and the cumulative delays were very noticeable by the clients. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@101716 13f79535-47bb-0310-9956-ffa450edef68
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