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PR_GET_IO_FLUSHER(2const) — Linux manual page

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | STANDARDS | HISTORY | SEE ALSO | COLOPHON 

PR_GET_IO_FLUSHER(2const)                       PR_GET_IO_FLUSHER(2const)

NAME         top

       PR_GET_IO_FLUSHER - get the IO_FLUSHER state

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

       #include <linux/prctl.h>  /* Definition of PR_* constants */
       #include <sys/prctl.h>

       int prctl(PR_GET_IO_FLUSHER, 0L, 0L, 0L, 0L);

DESCRIPTION         top

       Return the IO_FLUSHER state of the caller.  A value of 1 indicates
       that the caller is in the IO_FLUSHER state; 0 indicates that the
       caller is not in the IO_FLUSHER state.

       The calling process must have the CAP_SYS_RESOURCE capability.

RETURN VALUE         top

       On success, this call returns the boolean value described above.
       On error, -1 is returned, and errno is set to indicate the error.

STANDARDS         top

       Linux.

HISTORY         top

       Linux 5.6.

SEE ALSO         top

       prctl(2), PR_SET_IO_FLUSHER(2const)

COLOPHON         top

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Linux man-pages 6.15            2025-05-17      PR_GET_IO_FLUSHER(2const)

Pages that refer to this page: prctl(2),  PR_SET_IO_FLUSHER(2const)

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