25 static int nerrs = 0;
37 	if (sigsetjmp(jmpbuf, 1) != 0) {  in try_outb()
41 			      : : [port] "Nd" (port), "a" (0));  in try_outb()
50 		printf("[FAIL]\toutb to 0x%02hx failed\n", port);  in expect_ok()
54 	printf("[OK]\toutb to 0x%02hx worked\n", port);  in expect_ok()
60 		printf("[FAIL]\toutb to 0x%02hx worked\n", port);  in expect_gp()
64 	printf("[OK]\toutb to 0x%02hx failed\n", port);  in expect_gp()
71 	CPU_SET(0, &cpuset);  in main()
72 	if (sched_setaffinity(0, sizeof(cpuset), &cpuset) != 0)  in main()
73 		err(1, "sched_setaffinity to CPU 0");  in main()
75 	expect_gp(0x80);  in main()
76 	expect_gp(0xed);  in main()
82 	printf("[RUN]\tenable 0x80\n");  in main()
83 	if (ioperm(0x80, 1, 1) != 0) {  in main()
84 		printf("[OK]\tioperm(0x80, 1, 1) failed (%d) -- try running as root\n",  in main()
86 		return 0;  in main()
88 	expect_ok(0x80);  in main()
89 	expect_gp(0xed);  in main()
91 	printf("[RUN]\tdisable 0x80\n");  in main()
92 	if (ioperm(0x80, 1, 0) != 0) {  in main()
93 		printf("[FAIL]\tioperm(0x80, 1, 0) failed (%d)", errno);  in main()
96 	expect_gp(0x80);  in main()
97 	expect_gp(0xed);  in main()
100 	if (ioperm(0x80, 1, 1) != 0) {  in main()
101 		printf("[FAIL]\tioperm(0x80, 1, 0) failed (%d)", errno);  in main()
109 	if (child == 0) {  in main()
111 		expect_ok(0x80);  in main()
112 		expect_gp(0xed);  in main()
113 		printf("[RUN]\tchild: Extend permissions to 0x81\n");  in main()
114 		if (ioperm(0x81, 1, 1) != 0) {  in main()
115 			printf("[FAIL]\tioperm(0x81, 1, 1) failed (%d)", errno);  in main()
118 		printf("[RUN]\tchild: Drop permissions to 0x80\n");  in main()
119 		if (ioperm(0x80, 1, 0) != 0) {  in main()
120 			printf("[FAIL]\tioperm(0x80, 1, 0) failed (%d)", errno);  in main()
123 		expect_gp(0x80);  in main()
124 		return 0;  in main()
127 		if (waitpid(child, &status, 0) != child ||  in main()
131 		} else if (WEXITSTATUS(status) != 0) {  in main()
139 	/* Verify that the child dropping 0x80 did not affect the parent */  in main()
141 	expect_ok(0x80);  in main()
145 	if (setresuid(1, 1, 1) != 0) {  in main()
147 		return 0;  in main()
150 	printf("[RUN]\tdisable 0x80\n");  in main()
151 	if (ioperm(0x80, 1, 0) != 0) {  in main()
152 		printf("[FAIL]\tioperm(0x80, 1, 0) failed (%d)", errno);  in main()
157 	printf("[RUN]\tenable 0x80 again\n");  in main()
158 	if (ioperm(0x80, 1, 1) == 0) {  in main()
163 	return 0;  in main()