Module: xenomai-3
Branch: master
Commit: 48d54b272b0d8053200418659a6691d47c278265
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=48d54b272b0d8053200418659a6691d47c278265
Author: Philippe Gerum <r...@xenomai.org>
Date: Sun Sep 13 15:46:17 2015 +0200
cobalt/init: delay memory locking after binding
Non-supervisor members of the allowed group (xenomai.allowed_group)
are given the IPC_LOCK capability by the Cobalt binding syscall. So
make sure the binding takes place before the process eventually
attempts to lock its virtual address space to RAM.
---
lib/cobalt/init.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/lib/cobalt/init.c b/lib/cobalt/init.c
index 074d563..acad534 100644
--- a/lib/cobalt/init.c
+++ b/lib/cobalt/init.c
@@ -93,9 +93,6 @@ static void low_init(void)
struct cobalt_featinfo *f;
int ret;
- if (mlockall(MCL_CURRENT | MCL_FUTURE))
- early_panic("mlockall: %s", strerror(errno));
-
old_sigill_handler = signal(SIGILL, sigill_handler);
if (old_sigill_handler == SIG_ERR)
early_panic("signal(SIGILL): %s", strerror(errno));
@@ -121,6 +118,9 @@ static void low_init(void)
early_panic("binding failed: %s", strerror(-ret));
}
+ if (mlockall(MCL_CURRENT | MCL_FUTURE))
+ early_panic("mlockall: %s", strerror(errno));
+
cobalt_check_features(f);
cobalt_init_umm(f->vdso_offset);
cobalt_init_current_keys();
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