diff options
| author | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-16 02:18:47 +0200 |
|---|---|---|
| committer | Justus Winter <4winter@informatik.uni-hamburg.de> | 2015-08-20 19:59:30 +0200 |
| commit | b4fe3ce77c52ffb291aec4d29cf6c6731746ea99 (patch) | |
| tree | 163a2dd2feb14f7c13cbc693890b5c864b0d995f /kern | |
| parent | 35cab1dc03d4454a523c4611f7c770029c29da19 (diff) | |
codify locking contracts
Conflicts:
vm/vm_page.h
Diffstat (limited to 'kern')
| -rw-r--r-- | kern/exception.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kern/exception.c b/kern/exception.c index 6cb3bfb..911cf93 100644 --- a/kern/exception.c +++ b/kern/exception.c @@ -454,6 +454,8 @@ exception_raise( (sizeof(struct mach_exception) <= receiver->ith_msize) && ((receiver->ith_option & MACH_RCV_NOTIFY) == 0))) || !thread_handoff(self, exception_raise_continue, receiver)) { + imq_lock_steal(reply_mqueue); + imq_lock_steal(dest_mqueue); imq_unlock(reply_mqueue); imq_unlock(dest_mqueue); goto slow_exception_raise; @@ -461,6 +463,8 @@ exception_raise( counter(c_exception_raise_block++); assert(current_thread() == receiver); + imq_lock_steal(reply_mqueue); + imq_lock_steal(dest_mqueue); /* * We need to finish preparing self for its |