79 	unsigned int set_size;  in main()  local
81 	for (set_size = big_size; set_size; set_size >>= 1) {  in main()
82 		if (!k_sigprocmask(SIG_SETMASK, NULL, NULL, set_size))  in main()
85 			" = -1 EINVAL (%m)\n", set_size);  in main()
87 	if (!set_size)  in main()
90 		set_size);  in main()
92 	void *const k_set = tail_alloc(set_size);  in main()
93 	void *const old_set = tail_alloc(set_size);  in main()
96 	memset(k_set, 0, set_size);  in main()
97 	if (k_sigprocmask(SIG_SETMASK, k_set, NULL, set_size))  in main()
99 	tprintf("rt_sigprocmask(SIG_SETMASK, [], NULL, %u) = 0\n", set_size);  in main()
101 	if (k_sigprocmask(SIG_UNBLOCK, k_set - set_size, old_set, set_size))  in main()
103 	tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[], [], %u) = 0\n", set_size);  in main()
105 	assert(k_sigprocmask(SIG_SETMASK, k_set - set_size,  in main()
106 			     old_set, set_size << 1) == -1);  in main()
108 		k_set - set_size, old_set, set_size << 1);  in main()
110 	iterate("~[]", k_set - set_size, old_set, set_size >> 1);  in main()
114 	memcpy(k_set, libc_set, set_size);  in main()
116 	if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size))  in main()
118 	tprintf("rt_sigprocmask(SIG_BLOCK, [HUP], [], %u) = 0\n", set_size);  in main()
122 	memcpy(k_set, libc_set, set_size);  in main()
124 	if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size))  in main()
127 		set_size);  in main()
130 	memcpy(k_set, libc_set, set_size);  in main()
132 	if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size))  in main()
135 		set_size);  in main()
143 	memcpy(k_set, libc_set, set_size);  in main()
145 	if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size))  in main()
148 		"[HUP INT QUIT ALRM TERM]", set_size);  in main()
150 	if (k_sigprocmask(SIG_SETMASK, NULL, old_set, set_size))  in main()
153 		"[HUP INT QUIT ALRM TERM]", set_size);  in main()
155 	assert(k_sigprocmask(SIG_SETMASK, k_set + (set_size >> 1), NULL,  in main()
156 			     set_size) == -1);  in main()
158 		k_set + (set_size >> 1), set_size);  in main()
160 	assert(k_sigprocmask(SIG_SETMASK, k_set, old_set + (set_size >> 1),  in main()
161 			     set_size) == -1);  in main()
164 		old_set + (set_size >> 1), set_size);  in main()