PERFORCE change 104235 for review
Roman Divacky
rdivacky at FreeBSD.org
Wed Aug 16 14:34:27 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=104235
Change 104235 by rdivacky at rdivacky_witten on 2006/08/16 14:34:20
Make ssouhlal happy and dont lock/unlock in getpid()/exit_group()
Affected files ...
.. //depot/projects/soc2006/rdivacky_linuxolator/compat/linux/linux_misc.c#17 edit
Differences ...
==== //depot/projects/soc2006/rdivacky_linuxolator/compat/linux/linux_misc.c#17 (text+ko) ====
@@ -1334,16 +1334,14 @@
struct linux_emuldata *em;
char osrel[LINUX_MAX_UTSNAME];
- em = em_find(td->td_proc, EMUL_UNLOCKED);
-
- KASSERT(em != NULL, ("getpid: emuldata not found.\n"));
-
linux_get_osrelease(td, osrel);
- if (strlen(osrel) >= 3 && osrel[2] == '6')
+ if (strlen(osrel) >= 3 && osrel[2] == '6') {
+ em = em_find(td->td_proc, EMUL_UNLOCKED);
+ KASSERT(em != NULL, ("getpid: emuldata not found.\n"));
td->td_retval[0] = em->shared->group_pid;
- else
+ EMUL_UNLOCK(&emul_lock);
+ } else
td->td_retval[0] = td->td_proc->p_pid;
- EMUL_UNLOCK(&emul_lock);
return (0);
}
@@ -1475,12 +1473,11 @@
printf(ARGS(exit_group, "%i"), args->error_code);
#endif
- td_em = em_find(td->td_proc, EMUL_UNLOCKED);
-
- KASSERT(td_em != NULL, ("exit_group: emuldata not found.\n"));
-
linux_get_osrelease(td, osrel);
if (strlen(osrel) >= 3 && osrel[2] == '6') {
+ td_em = em_find(td->td_proc, EMUL_UNLOCKED);
+
+ KASSERT(td_em != NULL, ("exit_group: emuldata not found.\n"));
EMUL_SHARED_RLOCK(&emul_shared_lock);
LIST_FOREACH_SAFE(em, &td_em->shared->threads, threads, tmp_em) {
@@ -1496,8 +1493,8 @@
}
EMUL_SHARED_RUNLOCK(&emul_shared_lock);
+ EMUL_UNLOCK(&emul_lock);
}
- EMUL_UNLOCK(&emul_lock);
exit1(td, W_EXITCODE(args->error_code,0));
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