PR_GET_IO_FLUSHER - get the IO_FLUSHER state

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.

Linux 5.6.

Standard C library (libc, -lc)

PR_GET_IO_FLUSHER - get the IO_FLUSHER state

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

prctl(2), PR_SET_IO_FLUSHER(2const) Linux man-pages 6.9.1 2024-06-01 PR_GET_IO_FLUSHER(2const)

Linux.

#include<linux/prctl.h> /* Definition of PR_* constants */ #include<sys/prctl.h>intprctl(PR_GET_IO_FLUSHER,0L,0L,0L,0L);