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move rt_sigaction to device dependent

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fix call kill(getpid(), ) after sigaction aborted
This commit is contained in:
Tomoki Shirasawa
2014-05-16 09:50:06 +09:00
parent ac65e6c869
commit 3e830521c1
3 changed files with 59 additions and 45 deletions
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3
kernel/include/process.h
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@ -178,9 +178,6 @@ struct process {
struct list_head sigpending;
struct sig_shared *sigshared;
struct sig_handler *sighandler;
char sigstack[512]; // TODO: 1. move to user stack
// TODO: 2. backup FR and MMX regs
unsigned long sigrc; // return code of rt_sigreturn (x86_64: rax reg.)
struct rlimit rlimit_stack;
pgio_func_t *pgio_fp;

29
kernel/syscall.c
View File

@ -105,7 +105,6 @@ static void send_syscall(struct syscall_request *req, int cpu, int pid)
{
struct ikc_scd_packet packet;
struct syscall_response *res;
unsigned long fin;
struct syscall_params *scp;
struct ihk_ikc_channel_desc *syscall_channel;
@ -1289,34 +1288,6 @@ do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
return 0;
}
SYSCALL_DECLARE(rt_sigaction)
{
struct process *proc = cpu_local_var(current);
int sig = ihk_mc_syscall_arg0(ctx);
const struct sigaction *act = (const struct sigaction *)ihk_mc_syscall_arg1(ctx);
struct sigaction *oact = (struct sigaction *)ihk_mc_syscall_arg2(ctx);
size_t sigsetsize = ihk_mc_syscall_arg3(ctx);
struct k_sigaction new_sa, old_sa;
int rc;
if (sigsetsize != sizeof(sigset_t))
return -EINVAL;
if(act)
if(copy_from_user(proc, &new_sa.sa, act, sizeof new_sa.sa)){
goto fault;
}
rc = do_sigaction(sig, act? &new_sa: NULL, oact? &old_sa: NULL);
if(rc == 0 && oact)
if(copy_to_user(proc, oact, &old_sa.sa, sizeof old_sa.sa)){
goto fault;
}
return rc;
fault:
return -EFAULT;
}
SYSCALL_DECLARE(rt_sigprocmask)
{
int how = ihk_mc_syscall_arg0(ctx);