80 	unsigned int set_size;  in main()  local
82 	for (set_size = big_size; set_size; set_size >>= 1) {  in main()
83 		if (!k_sigprocmask(SIG_SETMASK, NULL, NULL, set_size))  in main()
86 			" = -1 EINVAL (%m)\n", set_size);  in main()
88 	if (!set_size)  in main()
91 		set_size);  in main()
93 	void *const k_set = tail_alloc(set_size);  in main()
94 	void *const old_set = tail_alloc(set_size);  in main()
97 	memset(k_set, 0, set_size);  in main()
98 	if (k_sigprocmask(SIG_SETMASK, k_set, NULL, set_size))  in main()
100 	tprintf("rt_sigprocmask(SIG_SETMASK, [], NULL, %u) = 0\n", set_size);  in main()
102 	if (k_sigprocmask(SIG_UNBLOCK, k_set - set_size, old_set, set_size))  in main()
104 	tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[], [], %u) = 0\n", set_size);  in main()
106 	assert(k_sigprocmask(SIG_SETMASK, k_set - set_size,  in main()
107 			     old_set, set_size << 1) == -1);  in main()
109 		k_set - set_size, old_set, set_size << 1);  in main()
111 	iterate("~[]", k_set - set_size, old_set, set_size >> 1);  in main()
115 	memcpy(k_set, libc_set, set_size);  in main()
117 	if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size))  in main()
119 	tprintf("rt_sigprocmask(SIG_BLOCK, [HUP], [], %u) = 0\n", set_size);  in main()
123 	memcpy(k_set, libc_set, set_size);  in main()
125 	if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size))  in main()
128 		set_size);  in main()
131 	memcpy(k_set, libc_set, set_size);  in main()
133 	if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size))  in main()
136 		set_size);  in main()
144 	memcpy(k_set, libc_set, set_size);  in main()
146 	if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size))  in main()
149 		"[HUP INT QUIT ALRM TERM]", set_size);  in main()
151 	if (k_sigprocmask(SIG_SETMASK, NULL, old_set, set_size))  in main()
154 		"[HUP INT QUIT ALRM TERM]", set_size);  in main()
156 	assert(k_sigprocmask(SIG_SETMASK, k_set + (set_size >> 1), NULL,  in main()
157 			     set_size) == -1);  in main()
159 		k_set + (set_size >> 1), set_size);  in main()
161 	assert(k_sigprocmask(SIG_SETMASK, k_set, old_set + (set_size >> 1),  in main()
162 			     set_size) == -1);  in main()
165 		old_set + (set_size >> 1), set_size);  in main()