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

Don't allow PM to sys_kill itself, this causes a race with RS calling waitpid during shutdown

Browse source
This commit is contained in:
Erik van der Kouwe 2010-06-18 13:49:07 +00:00
parent 8214e5e284
commit 11193f5fa4
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
servers/pm/signal.c
View file

@ -363,6 +363,11 @@ int ksig; /* non-zero means signal comes from kernel */
/* Handle system signals for system processes first. */
if(rmp->mp_flags & PRIV_PROC) {
/* Always skip signals for PM (only necessary when broadcasting). */
if(rmp->mp_endpoint == PM_PROC_NR) {
return;
}
/* System signals have always to go through the kernel first to let it
* pick the right signal manager. If PM is the assigned signal manager,
* the signal will come back and will actually be processed.
@ -372,11 +377,6 @@ int ksig; /* non-zero means signal comes from kernel */
return;
}
/* Always skip signals for PM (only necessary when broadcasting). */
if(rmp->mp_endpoint == PM_PROC_NR) {
return;
}
/* Print stacktrace if necessary. */
if(SIGS_IS_STACKTRACE(signo)) {
sys_sysctl_stacktrace(rmp->mp_endpoint);