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use MCS locks in signal handling code

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This commit is contained in:
Balazs Gerofi
2016-12-05 18:07:08 +09:00
parent 87d36a7752
commit a8c4ab221b
4 changed files with 81 additions and 57 deletions
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8
kernel/process.c
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@@ -277,10 +277,10 @@ create_thread(unsigned long user_pc)
dkprintf("fork(): sigshared\n");
ihk_atomic_set(&thread->sigcommon->use, 1);
ihk_mc_spinlock_init(&thread->sigcommon->lock);
mcs_rwlock_init(&thread->sigcommon->lock);
INIT_LIST_HEAD(&thread->sigcommon->sigpending);
ihk_mc_spinlock_init(&thread->sigpendinglock);
mcs_rwlock_init(&thread->sigpendinglock);
INIT_LIST_HEAD(&thread->sigpending);
thread->sigstack.ss_sp = NULL;
@@ -441,11 +441,11 @@ clone_thread(struct thread *org, unsigned long pc, unsigned long sp,
memcpy(thread->sigcommon->action, org->sigcommon->action,
sizeof(struct k_sigaction) * _NSIG);
ihk_atomic_set(&thread->sigcommon->use, 1);
ihk_mc_spinlock_init(&thread->sigcommon->lock);
mcs_rwlock_init(&thread->sigcommon->lock);
INIT_LIST_HEAD(&thread->sigcommon->sigpending);
// TODO: copy signalfd
}
ihk_mc_spinlock_init(&thread->sigpendinglock);
mcs_rwlock_init(&thread->sigpendinglock);
INIT_LIST_HEAD(&thread->sigpending);
thread->sigmask = org->sigmask;