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mcexec forward signal to MIC process.

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This commit is contained in:
Tomoki Shirasawa
2013-08-19 12:17:23 +09:00
parent 591f398768
commit 1d69225532
14 changed files with 148 additions and 37 deletions
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57
kernel/syscall.c
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@ -66,7 +66,7 @@ static char *syscall_name[] MCKERNEL_UNUSED = {
#undef SYSCALL_DELEGATED
};
void check_signal(unsigned long rc, unsigned long *regs);
void check_signal(long rc, unsigned long *regs);
#ifdef DCFA_KMOD
static void do_mod_exit(int status);
@ -830,26 +830,14 @@ SYSCALL_DECLARE(set_tid_address)
return cpu_local_var(current)->pid;
}
extern unsigned long do_kill(int pid, int sig);
SYSCALL_DECLARE(kill)
{
int pid = ihk_mc_syscall_arg0(ctx);
int sig = ihk_mc_syscall_arg1(ctx);
struct process *proc = cpu_local_var(current);
if(proc->pid == pid){
proc->signal = sig;
return 0;
}
if(pid <= 0) { return -EINVAL; }
// search pid
// check kill permission
if(sig == 0) {
return 0;
} else {
return -EPERM;
}
return do_kill(pid, sig);
}
// see linux-2.6.34.13/kernel/signal.c
@ -879,14 +867,16 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
{
struct process *proc = cpu_local_var(current);
struct k_sigaction *k;
// TODO: sigmask
int irqstate;
irqstate = ihk_mc_spinlock_lock(&proc->sighandler->lock);
k = proc->sighandler->action + sig - 1;
if(oact)
memcpy(oact, k, sizeof(struct k_sigaction));
if(act){
memcpy(k, act, sizeof(struct k_sigaction));
}
ihk_mc_spinlock_unlock(&proc->sighandler->lock, irqstate);
return 0;
}
@ -913,9 +903,38 @@ SYSCALL_DECLARE(rt_sigaction)
SYSCALL_DECLARE(rt_sigprocmask)
{
// kprintf("sys_rt_sigprocmask called. returning zero...\n");
return 0;
int how = ihk_mc_syscall_arg0(ctx);
const sigset_t *set = (const sigset_t *)ihk_mc_syscall_arg1(ctx);
sigset_t *oldset = (sigset_t *)ihk_mc_syscall_arg2(ctx);
// kprintf("sys_rt_sigprocmask called. returning zero...\n");
return 0;
}
SYSCALL_DECLARE(rt_sigpending)
{
return 0;
}
SYSCALL_DECLARE(rt_sigtimedwait)
{
return 0;
}
SYSCALL_DECLARE(rt_sigqueueinfo)
{
return 0;
}
SYSCALL_DECLARE(rt_sigsuspend)
{
return 0;
}
SYSCALL_DECLARE(sigaltstack)
{
return 0;
}
SYSCALL_DECLARE(madvise)
{
// kprintf("sys_madvise called. returning zero...\n");