Unix Programming
in [Programming]
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Porting Tru64 to HP-UX Hello All Encountered a problem when recompiling working production code from a Alpha Tru64 platform on an Itanium HP-UX platform. The problem seems to be related to how I am using NULL, have read the man pages but are unable to determine exactly why I am experiencing this problem. Below is a code extract, the... 10 Apr 2008 04:31
How to read inputs from another terminal? Hi, I want to write a program which run on terminal A but get inputs and write outputs from/to another terminal B. Two terminals will running bash shell. I wrote some test code, but have not managed to make it work. --- rwtty.c ---- #include <sys/types.h> #include <fcntl.h> #include <unistd.h> #include... 12 Apr 2008 11:06
need help urgently Hi, I have written a script in tcl and expect i have to send more than 1024B data to a switch. I can send that with multiple send commands with one expect but I want to use 1 send command only but i am unable to send that much. I am using linux machine to run this script. One of my friend said that it is a limit... 8 Apr 2008 21:18
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process replication i want to replicate process address space and copy it into other process,so that if i kill one process the other process should have the exact running state of the killed process. The two processes are not running in the same machine, they are in two diffrent machines or two cpus in the same machine, so this proces... 8 Apr 2008 01:13
File access race Hello, I need to create a suid-root chown program. Not to create a security hole, I want it to drop the permissins on the file so that nobody gets more permissions than he had before. The code is something like: chmod(file_name, safe_mode); chown(file_name, user, group); However, there's a race condition be... 8 Apr 2008 10:00
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Have a terminal program always output/input to/from ttyS0 Hi, I am writting a text mode UI program which use ncurses library. Because this program will running on an embedded deveice, hence at times I need to: 1, start it from a remote teminal runing on a telnet connection, but has the UI program acts exactly like it were started from local terminal ttyS0, that is,... 8 Apr 2008 20:30
Avoiding blocking writes on FIFOs Hello everyone, I am trying to avoid a blocking write(), by using appropriate mechanisms to tell me if things can block. mknod("/tmp/foo", S_IFIFO, S_IRUSR | S_IWUSR); int fd = open("/tmp/foo", O_WRONLY); struct pollfd { .fd = fd, .events = POLLOUT, } pfd; poll(&pfd, 1, 0); if (pfd.revents & ... 7 Apr 2008 15:09 |