sanchayanmaity/minix
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Don't allow sys_kill to SELF alltogether.

Browse source
This commit is contained in:
Ben Gras 2007-02-23 13:01:55 +00:00
parent a9f2f36f46
commit 238ae978ba
1 changed files with 1 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
kernel/system/do_kill.c
View file

@ -30,22 +30,15 @@ message *m_ptr; /* pointer to request message */
int sig_nr = m_ptr->SIG_NUMBER;
proc_nr_e= m_ptr->SIG_ENDPT;
if (proc_nr_e == SELF)
proc_nr_e= m_ptr->m_source;
if (!isokendpt(proc_nr_e, &proc_nr)) return(EINVAL);
if (sig_nr > _NSIG) return(EINVAL);
if (iskerneln(proc_nr)) return(EPERM);
/* Set pending signal to be processed by the PM. */
cause_sig(proc_nr, sig_nr);
if (sig_nr == SIGKILL) {
if (sig_nr == SIGKILL)
clear_endpoint(proc_addr(proc_nr));
if(m_ptr->SIG_ENDPT == SELF)
return EDONTREPLY;
}
return(OK);
}