'Fcntl fd' presentation slideshows

CSE 7348 - class 12

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CSE 7348 - class 12

611 views • 52 slides

558 views • 28 slides

Daemon Processes

Daemon Processes. Long lived utility processes Often started at system boot and ended when system shuts down Run in the background with no controlling terminal. Daemon Processes. Coding rules (see page 425) Call umask and set the file mode creation mask to 0 Call fork and let the parent die

470 views • 25 slides

Non-blocking I/O

Non-blocking I/O. We can use fcntl() (file control) function to set some flags about the file that is opened. one of these flags sets if the operations on the file will blocked or non-blocked. It is set in the following way in Unix. int flags; int fd; /* file descripter */

190 views • 6 slides