* callproc.c: Arrange for synchronous processes to get SIGINT the
first time the user quits, or SIGKILL if the user quits again. #include "syssignal.h". (call_process_kill): New function. (call_process_cleanup): Send SIGINT to the subprocess, and then arrange to call call_process_kill if the user quits while we wait for it to terminate. (Fcall_process, Fcall_process_region): Doc fix.
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