개요

• 솔라나라에 설명된 어플리케이션에 대해 맨 페이지를 찾아 출력한다.
• MAN 페이지에 대한 설명은 윈디하나의 솔라나라: MAN 페이지을 참고하자.
• svcadm(8)을 검색하려면 섹션에서 8 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.

p_candebug(9)

P_CANDEBUG(9)            BSD Kernel Developer's Manual           P_CANDEBUG(9)

NAME
     p_candebug — determine debuggability of a process

SYNOPSIS
     #include <sys/param.h>
     #include <sys/proc.h>

     int
     p_candebug(struct thread *td, struct proc *p);

DESCRIPTION
     This function can be used to determine if a given process p is debuggable
     by the thread td.

SYSCTL VARIABLES
     The following sysctl(8) variables directly influence the behaviour of
     p_candebug():

     kern.securelevel
             Debugging of the init process is not allowed if this variable is
             1 or greater.

     security.bsd.unprivileged_proc_debug
             Must be set to a non-zero value to allow unprivileged processes
             access to the kernel's debug facilities.

RETURN VALUES
     The p_candebug() function returns 0 if the process denoted by p is debug‐
     gable by thread td, or a non-zero error return value otherwise.

ERRORS
     [EACCESS]          The MAC subsystem denied debuggability.

     [EAGAIN]           Process p is in the process of being exec()'ed.

     [EPERM]            Thread td lacks super-user credentials and process p
                        is executing a set-user-ID or set-group-ID executable.

     [EPERM]            Thread td lacks super-user credentials and process p's
                        group set is not a subset of td's effective group set.

     [EPERM]            Thread td lacks super-user credentials and process p's
                        user IDs do not match thread td's effective user ID.

     [EPERM]            Process p denotes the initial process initproc() and
                        the sysctl(8) variable kern.securelevel is greater
                        than zero.

     [ESRCH]            Process p is not visible to thread td as determined by
                        cr_seeotheruids(9) or cr_seeothergids(9).

     [ESRCH]            Thread td has been jailed and process p does not
                        belong to the same jail as td.

     [ESRCH]            The MAC subsystem denied debuggability.

SEE ALSO
     jail(2), sysctl(8), cr_seeothergids(9), cr_seeotheruids(9), mac(9),
     p_cansee(9), prison_check(9)

BSD                            November 19, 2006                           BSD