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Ctrl-C cannot kill my program after it calls system(). It's happening in a bigger program that uses UDP, etc. But I can reproduce it in the tiny program below. The following test program shows the problem. You can kill it with ctrl-c during the first sleep, but you cannot kill it during the second sleep. It will exit correctly after 5 seconds. #include <stdio.h> int main() { printf("sleeping for 5 secs...\n"); sleep(5); system("echo the hostname is: `hostname`"); printf("sleeping for 5 secs...\n"); sleep(5); } I noticed lots of discussion about signals in the archives, but nothing related to signals and system(). -jra
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