asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset, unsigned int sigsetsize) { int ret; sigset_t set; mm_segment_t old_fs = get_fs(); set_fs (KERNEL_DS); ret = sys_rt_sigpending((sigset_t __user *)&set, sigsetsize); set_fs (old_fs); if (!ret && put_sigset(&set, uset)) return -EFAULT; return ret; }
asmlinkage long sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize) { sigset_t s; compat_sigset_t s32; int ret; mm_segment_t old_fs = get_fs(); set_fs (KERNEL_DS); ret = sys_rt_sigpending((sigset_t __user *) &s, sigsetsize); set_fs (old_fs); if (!ret) { switch (_NSIG_WORDS) { case 4: s32.sig[7] = (s.sig[3] >> 32); s32.sig[6] = s.sig[3]; case 3: s32.sig[5] = (s.sig[2] >> 32); s32.sig[4] = s.sig[2]; case 2: s32.sig[3] = (s.sig[1] >> 32); s32.sig[2] = s.sig[1]; case 1: s32.sig[1] = (s.sig[0] >> 32); s32.sig[0] = s.sig[0]; } if (copy_to_user (set, &s32, sizeof(compat_sigset_t))) return -EFAULT; } return ret; }