My program goes through a loop like this: ... while(1){ read(sockfd,buf,sizeof(buf)); ... } 开发者_StackOverflowThe read function blocks when it is waiting for input, which happens to be from a soc
After pressing ctrl+c I get the following output. Regarding to the code, why does the line signal 2 was raised, exiting... appear several times even I pressed the keys only once?
for some reason, it used to work. but now i get a SIGFPE.....what\'s wrong? #include \"usefunc.h\" long factorial(long num) {
I\'m learning slow system call and signals. For the normal system, the slow system call (read from terminal device) can block forever.
I have a Mac OS X app (Cocoa), which spawns a C++ console helper app to do some work.The GUI spawns the helper via NSTask, and they communicate with each other via named pipes.This is all good.
Simple question; How do you read the return value of a function that is called as a signal handler? import signal
Process A forks say 4 child processes. exec() is used to replace the code of the children. The children initialize and have to wait for the parent to create all of the 4 of them.
I\'m getting acquainted with signals in C. I can\'t figure out wha开发者_JS百科t kind of signals SIGUSR1 and SIGUSR2 are and how can I trigger them. Can anyone please explain it to me?They are user-de
I have 2 开发者_StackOverflowlines near one another in a Perl script that could throw a __WARN__. If the first one throws, then I want to just return from the function and not try to continue.
There is a timer开发者_StackOverflow中文版 which sends out signal SIGALARM every 1 sec. A signal handler which sleeps
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