Module: xenomai-3
Branch: next
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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