PR_FSTATVFS(3PROC) Process Control Library Functions PR_FSTATVFS(3PROC)

NAME


pr_fstatvfs - inject fstatvfs system call into victim process

SYNOPSIS


Process Control Library (libproc, -lproc)
#include <libproc.h>

int
pr_fstatvfs(struct ps_prochandle *P, int fd, statvfs_t *buf);

DESCRIPTION


The pr_fstatvfs() function injects the fstatvfs(2) system call into the
target process P by means of the agent LWP. If the process handle P is
NULL then this is equivalent to calling fstatvfs(2) on the currently
running process.

The arguments fd and buf have the same meaning as in fstatvfs(2). See
fstatvfs(2) for the full description and purpose of the fstatvfs system
call and its arguments.

The pr_fstatvfs() function only works on active processes. Process handles
that correspond to core files, zombie processes, or ELF objects do not
support system call injection.

RETURN VALUES


Upon successful completion, the pr_fstatvfs() function's return value is
that described in fstatvfs(2). Otherwise, -1 is returned and errno is set
to ENOSYS to indicate that the system call could not be injected.

ERRORS


For the full list of errors see the ERRORS section in fstatvfs(2).

The pr_fstatvfs() function will fail if:

ENOSYS An error occurred while trying to invoke the agent LWP
and inject a system call in the process handle P or the
process handle P does not support system call injection.

INTERFACE STABILITY


Uncommitted

MT-LEVEL
See LOCKING in libproc(3LIB).

SEE ALSO


fstatvfs(2), libproc(3LIB), proc(4)

illumos May 11, 2016 illumos