Re: socket/IP on Linux
Arnaldo: Sorry, I have to bother you again with another Linux socket question. Suppose that I have a Linux IP socket connected for a TCP connection and the socket is set as a non-blocking one with fcntl(). Even the socket is set as non-blocking, is it really possible to perform Non-Blocking Close on this socket? i.e., can I make the int=close(fd) a non-blocking call? The answer seems No to me based on my study. I am not totally sure though. If the answer is Yes, how? Please help, thanks a lot, Jingping --- Arnaldo Carvalho de Melo [EMAIL PROTECTED] wrote: On 10/5/06, Jingping Lin [EMAIL PROTECTED] wrote: Hello, Linux Kernel: For a project I will work on for mobile, I am looking into the IP stacks on Linux. I have a few questions to bother you: No bothering, so far, please see the below answers and try to check them all before bothering again 8) 1. is socket.c the file handling the socket interface? One of them 2. which function is for opening a socket? It looks like sock_map_fd() is the one for opening/creating a socket? Is that correct? The Linux IP Stacks Commentary book suggested the function is int socket() which I didn't find in socket.c though. Perhaps it is suggesting that you create the socket in userspace using the libc socket(2) function (see 'man socket') and then passing it thru some ioctl if you want to use kernel_sendmsg (make tags ; vi -t kernel_sendmsg) from kernelspace? 3. Do you have documentations discussing in details the implemented socket interfaces? Humm, I guess you can grep the sources for in kernel socket usage? Thanks a lot in advance for your help, Best Regards, - Arnaldo __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: socket/IP on Linux
On 10/5/06, Jingping Lin [EMAIL PROTECTED] wrote: Hello, Linux Kernel: For a project I will work on for mobile, I am looking into the IP stacks on Linux. I have a few questions to bother you: No bothering, so far, please see the below answers and try to check them all before bothering again 8) 1. is socket.c the file handling the socket interface? One of them 2. which function is for opening a socket? It looks like sock_map_fd() is the one for opening/creating a socket? Is that correct? The Linux IP Stacks Commentary book suggested the function is int socket() which I didn't find in socket.c though. Perhaps it is suggesting that you create the socket in userspace using the libc socket(2) function (see 'man socket') and then passing it thru some ioctl if you want to use kernel_sendmsg (make tags ; vi -t kernel_sendmsg) from kernelspace? 3. Do you have documentations discussing in details the implemented socket interfaces? Humm, I guess you can grep the sources for in kernel socket usage? Thanks a lot in advance for your help, Best Regards, - Arnaldo - To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
socket/IP on Linux
Hello, Linux Kernel: For a project I will work on for mobile, I am looking into the IP stacks on Linux. I have a few questions to bother you: 1. is socket.c the file handling the socket interface? 2. which function is for opening a socket? It looks like sock_map_fd() is the one for opening/creating a socket? Is that correct? The Linux IP Stacks Commentary book suggested the function is int socket() which I didn't find in socket.c though. 3. Do you have documentations discussing in details the implemented socket interfaces? Thanks a lot in advance for your help, Jingping __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe from this list: send the line unsubscribe netdev in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
