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sigsuspend restore sigmask

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This commit is contained in:
Tomoki Shirasawa
2014-09-09 13:54:36 +09:00
parent d6aef3aa2c
commit cee647aee4
1 changed files with 3 additions and 0 deletions
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3
kernel/syscall.c
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@@ -1648,6 +1648,7 @@ static int
do_sigsuspend(struct process *proc, const sigset_t *set) do_sigsuspend(struct process *proc, const sigset_t *set)
{ {
__sigset_t wset; __sigset_t wset;
__sigset_t bset;
int flag; int flag;
struct sig_pending *pending; struct sig_pending *pending;
struct list_head *head; struct list_head *head;
@@ -1656,6 +1657,7 @@ do_sigsuspend(struct process *proc, const sigset_t *set)
wset = set->__val[0]; wset = set->__val[0];
wset &= ~__sigmask(SIGKILL); wset &= ~__sigmask(SIGKILL);
wset &= ~__sigmask(SIGSTOP); wset &= ~__sigmask(SIGSTOP);
bset = proc->sigmask.__val[0];
proc->sigmask.__val[0] = wset; proc->sigmask.__val[0] = wset;
for(;;){ for(;;){
@@ -1688,6 +1690,7 @@ do_sigsuspend(struct process *proc, const sigset_t *set)
list_del(&pending->list); list_del(&pending->list);
ihk_mc_spinlock_unlock(lock, flag); ihk_mc_spinlock_unlock(lock, flag);
proc->sigmask.__val[0] = bset;
do_signal(-EINTR, NULL, proc, pending); do_signal(-EINTR, NULL, proc, pending);
break; break;
} }