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fix: differences in behavior of sigaction between Linux and Mckernel

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This commit is contained in:
Ken Sato
2018-03-01 09:44:44 +09:00
parent 7ad6f9595c
commit 140f813d77
3 changed files with 12 additions and 2 deletions
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7
kernel/syscall.c
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@ -3059,6 +3059,13 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
struct mcs_rwlock_node_irqsave mcs_rw_node;
ihk_mc_user_context_t ctx0;
if (!valid_signal(sig) || sig < 1) {
return -EINVAL;
}
if (act && (sig == SIGKILL || sig == SIGSTOP)) {
return -EINVAL;
}
mcs_rwlock_writer_lock(&thread->sigcommon->lock, &mcs_rw_node);
k = thread->sigcommon->action + sig - 1;
if(oact)