Matches in DBpedia 2014 for { ?s ?p sync is a standard system call in the Unix operating system, which commits to disk all data in the kernel filesystem buffers, i.e., data which has been scheduled for writing via low-level I/O system calls. Note that higher-level I/O layers such as stdio may maintain separate buffers of their own.As a function in C, the sync call is typically declared as void sync(void) in <unistd.h>. The system call is also available via a command line utility also called sync, and similarly named functions in other languages such as Perl.The related system call fsync<tt> commits just the buffered data relating to a specified file descriptor. <tt>fdatasync is also available to write out just the changes made to the data in the file, and not necessarily the file's related metadata.Unix systems typically run some kind of flush or update daemon, which calls the sync function on a regular basis. On some systems, the cron daemon does this, and on Linux it's handled by the pdflush daemon. Buffers are also flushed when filesystems are unmounted or remounted read-only, for example prior to system shutdown.. }
Showing items 1 to 1 of
1
with 100 items per page.
- Sync_(Unix) abstract "sync is a standard system call in the Unix operating system, which commits to disk all data in the kernel filesystem buffers, i.e., data which has been scheduled for writing via low-level I/O system calls. Note that higher-level I/O layers such as stdio may maintain separate buffers of their own.As a function in C, the sync call is typically declared as void sync(void) in <unistd.h>. The system call is also available via a command line utility also called sync, and similarly named functions in other languages such as Perl.The related system call fsync<tt> commits just the buffered data relating to a specified file descriptor. <tt>fdatasync is also available to write out just the changes made to the data in the file, and not necessarily the file's related metadata.Unix systems typically run some kind of flush or update daemon, which calls the sync function on a regular basis. On some systems, the cron daemon does this, and on Linux it's handled by the pdflush daemon. Buffers are also flushed when filesystems are unmounted or remounted read-only, for example prior to system shutdown.".