|
|
|
|
|
|||||||
| Forums | Portal | Register | Forum Rules | FAQ | Contribute | Members List | Arcade | Search | Today's Posts | Mark Forums Read |
| High Level Programming Post questions about C, C++, Java, SQL, and other programming languages here. |
More UNIX and Linux Forum Topics You Might Find Helpful
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| How to select Shell | mvictorvijayan | Shell Programming and Scripting | 2 | 09-12-2007 01:58 AM |
| ls while read loop - internal read picking up wrong input | dkieran | Shell Programming and Scripting | 2 | 05-14-2007 12:02 PM |
| Out put with select date. Help !!! | sabercats | Shell Programming and Scripting | 4 | 02-27-2006 01:52 PM |
| how to select a value randomly | norsk hedensk | Shell Programming and Scripting | 1 | 10-28-2003 01:39 PM |
| Multiple fds in select() | amatsaka | High Level Programming | 1 | 11-13-2002 06:10 AM |
 |
|
|
Submit Tools | LinkBack | Thread Tools | Display Modes |
11-19-2002
|
|||
|
|||
select() and read()
Hi,
Could you please tell me how can I know which position a given read descriptor ocuppies in the descriptors table. I know that, for instance, 'stdin' ocuppies position [0]... what about the others descriptors that I create usings pipes or sockets?? Thanks! P.S.: Sorry for my bad English 
|
| Forum Sponsor | ||
|
|
|
11-19-2002
|
||||
|
||||
|
pipe() returns an array with two file descriptors. socket() returns a single file descriptor. When you say that stdin is 0, that means that it is file descriptor 0. All of the system calls in sector 2 of the manual deal with file descriptors.
If you do an fopen(), on the other hand, you do not get a file descriptor, you get a pointer to a FILE structure. To convert that into an fd, just use fileno().
|
Linear Mode
