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NAME
PR_GET_IO_FLUSHER - get the IO_FLUSHER state
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
bash
#include <linux/prctl.h>\n /* Definition of \nPR_*\n constants */
\n#include <sys/prctl.h>bash
int prctl(PR_GET_IO_FLUSHER, 0L, 0L, 0L, 0L);DESCRIPTION
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
On success, this call returns the boolean value described above. On error, -1 is returned, and errno is set to indicate the error.
STANDARDS
Linux.
HISTORY
Linux 5.6.
SEE ALSO
prctl(2), PR_SET_IO_FLUSHER(2const)