1 // SPDX-License-Identifier: GPL-2.0-only
8  *  Copyright (C) 2002-2003 Stephen Rothwell, IBM Corporation
22 #include <linux/posix-timers.h>
33  * blocked set of signals to the supplied signal set
35 static inline void compat_sig_setmask(sigset_t *blocked, compat_sigset_word set)  in compat_sig_setmask()  argument
37 	memcpy(blocked->sig, &set, sizeof(set));  in compat_sig_setmask()
47 	old_set = current->blocked.sig[0];  in COMPAT_SYSCALL_DEFINE3()
51 			return -EFAULT;  in COMPAT_SYSCALL_DEFINE3()
54 		new_blocked = current->blocked;  in COMPAT_SYSCALL_DEFINE3()
66 		default:  in COMPAT_SYSCALL_DEFINE3()
67 			return -EINVAL;  in COMPAT_SYSCALL_DEFINE3()
75 			return -EFAULT;  in COMPAT_SYSCALL_DEFINE3()
87 	r32.ru_utime.tv_sec = r->ru_utime.tv_sec;  in put_compat_rusage()
88 	r32.ru_utime.tv_usec = r->ru_utime.tv_usec;  in put_compat_rusage()
89 	r32.ru_stime.tv_sec = r->ru_stime.tv_sec;  in put_compat_rusage()
90 	r32.ru_stime.tv_usec = r->ru_stime.tv_usec;  in put_compat_rusage()
91 	r32.ru_maxrss = r->ru_maxrss;  in put_compat_rusage()
92 	r32.ru_ixrss = r->ru_ixrss;  in put_compat_rusage()
93 	r32.ru_idrss = r->ru_idrss;  in put_compat_rusage()
94 	r32.ru_isrss = r->ru_isrss;  in put_compat_rusage()
95 	r32.ru_minflt = r->ru_minflt;  in put_compat_rusage()
96 	r32.ru_majflt = r->ru_majflt;  in put_compat_rusage()
97 	r32.ru_nswap = r->ru_nswap;  in put_compat_rusage()
98 	r32.ru_inblock = r->ru_inblock;  in put_compat_rusage()
99 	r32.ru_oublock = r->ru_oublock;  in put_compat_rusage()
100 	r32.ru_msgsnd = r->ru_msgsnd;  in put_compat_rusage()
101 	r32.ru_msgrcv = r->ru_msgrcv;  in put_compat_rusage()
102 	r32.ru_nsignals = r->ru_nsignals;  in put_compat_rusage()
103 	r32.ru_nvcsw = r->ru_nvcsw;  in put_compat_rusage()
104 	r32.ru_nivcsw = r->ru_nivcsw;  in put_compat_rusage()
106 		return -EFAULT;  in put_compat_rusage()
132 		return -ENOMEM;  in COMPAT_SYSCALL_DEFINE3()
151 		return -EINVAL;  in COMPAT_SYSCALL_DEFINE3()
152 	if (len & (sizeof(compat_ulong_t)-1))  in COMPAT_SYSCALL_DEFINE3()
153 		return -EINVAL;  in COMPAT_SYSCALL_DEFINE3()
156 		return -ENOMEM;  in COMPAT_SYSCALL_DEFINE3()
163 			ret = -EFAULT;  in COMPAT_SYSCALL_DEFINE3()
184 		__get_user(event->sigev_value.sival_int,  in get_compat_sigevent()
185 			&u_event->sigev_value.sival_int) ||  in get_compat_sigevent()
186 		__get_user(event->sigev_signo, &u_event->sigev_signo) ||  in get_compat_sigevent()
187 		__get_user(event->sigev_notify, &u_event->sigev_notify) ||  in get_compat_sigevent()
188 		__get_user(event->sigev_notify_thread_id,  in get_compat_sigevent()
189 			&u_event->sigev_notify_thread_id))  in get_compat_sigevent()
190 		? -EFAULT : 0;  in get_compat_sigevent()
203 		return -EFAULT;  in compat_get_bitmap()
210 		nr_compat_longs -= 2;  in compat_get_bitmap()
219 	return -EFAULT;  in compat_get_bitmap()
232 		return -EFAULT;  in compat_put_bitmap()
238 		nr_compat_longs -= 2;  in compat_put_bitmap()
246 	return -EFAULT;  in compat_put_bitmap()
255 		return -EFAULT;  in get_compat_sigset()
257 	case 4: set->sig[3] = v.sig[6] | (((long)v.sig[7]) << 32 );  in get_compat_sigset()
259 	case 3: set->sig[2] = v.sig[4] | (((long)v.sig[5]) << 32 );  in get_compat_sigset()
261 	case 2: set->sig[1] = v.sig[2] | (((long)v.sig[3]) << 32 );  in get_compat_sigset()
263 	case 1: set->sig[0] = v.sig[0] | (((long)v.sig[1]) << 32 );  in get_compat_sigset()
267 		return -EFAULT;  in get_compat_sigset()