Here\'s a very basic C snippet to open and read a file: int fd = open(\"test.txt\",O_RDONLY); char buf[128];
Can someone explain what the following assembly code does? int 开发者_开发问答0x80 int means interrupt, and the number 0x80 is the interrupt number.
So I am trying to execute some script from my php code. That lives in page blah.php <?ph开发者_如何学编程p
Im having a bit of trouble understanding the more complex system calls in assembly.I wrote a exec system call and it worked great
Ok I have two programs, and one calls another using 开发者_如何学Goexecutable from another. I am running it on Ubuntu terminal
I know 开发者_开发知识库what dup / dup2 does, but I have no idea when it would be used. Any practical examples?
i try to write a system call. I followed these steps: linux/arch/x86/kernel/syscall_table_32.S ---->. long sys mycall
If you don\'t pass the CLONE_VM flag to clone(), then the new process shares memory with the original. Can this be used to make two distinct applications (two main()\'s) run in the same process? Ideal
When I wait on a specific running process group that is a child process, WIFEXITED returns true saying the process exited?Is this the way it works? Seems there is something I am not understanding....
How does Windows switch to supervisor mode during a system call? I heard something about a \"trap 0\", but that doesn\'t even seem like an x86 instruction. I stepped through some sys开发者_C百科tem ca