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signal (part 2) sigpending

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This commit is contained in:
Tomoki Shirasawa
2014-01-07 19:52:06 +09:00
parent a8c249ddaf
commit 0465cc16b9
4 changed files with 200 additions and 55 deletions
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18
kernel/include/process.h
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@ -84,6 +84,18 @@ struct sig_handler {
struct k_sigaction action[_NSIG];
};
struct sig_pending {
struct list_head list;
sigset_t sigmask;
// TODO: siginfo
};
struct sig_shared {
ihk_spinlock_t lock;
ihk_atomic_t use;
struct list_head sigpending;
};
typedef void pgio_func_t(void *arg);
struct process {
@ -110,10 +122,10 @@ struct process {
int tid;
sigset_t sigmask;
int signal;
// sigset_t sigpend;
ihk_spinlock_t sigpendinglock;
struct list_head sigpending;
struct sig_shared *sigshared;
struct sig_handler *sighandler;
// ihk_mc_kernel_context_t sigctx;
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.)