1 /* atomic operation tests */
3 #include "silcruntime.h"
5 int main(int argc, char **argv)
7 SilcBool success = FALSE;
11 SilcAtomicPointer refptr;
16 if (argc > 1 && !strcmp(argv[1], "-d")) {
18 silc_log_debug_hexdump(TRUE);
19 silc_log_set_debug_string("*atomic*,*errno*");
22 silc_atomic_init8(&ref8, 1);
23 silc_atomic_init16(&ref16, 1);
24 silc_atomic_init32(&ref32, 1);
25 silc_atomic_init_pointer(&refptr, SILC_32_TO_PTR(0xdeadbeef));
27 ret8 = silc_atomic_add_int8(&ref8, 7);
28 SILC_LOG_DEBUG(("ref8: 1 + 7 = %d (8)", ret8));
29 ret8 = silc_atomic_add_int8(&ref8, 3);
30 SILC_LOG_DEBUG(("ref8: 8 + 3 = %d (11)", ret8));
31 ret8 = silc_atomic_sub_int8(&ref8, 10);
32 SILC_LOG_DEBUG(("ref8: 11 - 10 = %d (1)", ret8));
34 ret16 = silc_atomic_add_int16(&ref16, 1);
35 SILC_LOG_DEBUG(("ref16: 1 + 1 = %d (2)", ret16));
36 ret16 = silc_atomic_add_int16(&ref16, 31020);
37 SILC_LOG_DEBUG(("ref16: 2 + 31020 = %d (31022)", ret16));
38 ret16 = silc_atomic_add_int16(&ref16, 34000);
39 SILC_LOG_DEBUG(("ref16: 31022 + 34000 = %d (65022)", ret16));
40 ret16 = silc_atomic_sub_int16(&ref16, 0);
41 SILC_LOG_DEBUG(("ref16: 65022 - 0 = %d (65022)", ret16));
42 ret16 = silc_atomic_sub_int16(&ref16, (SilcInt16)0xffff);
43 SILC_LOG_DEBUG(("ref16: 65022 - 0xffff = %d (65023) (underflow)", ret16));
45 SILC_LOG_DEBUG(("Current value: %d (-513)",
46 (SilcInt16)silc_atomic_get_int16(&ref16)));
48 SILC_LOG_DEBUG(("Swapping -513 with 57392"));
49 if (!silc_atomic_cas16(&ref16, silc_atomic_get_int16(&ref16), 57392))
51 SILC_LOG_DEBUG(("Current value: %d (57392)",
52 silc_atomic_get_int16(&ref16)));
53 SILC_LOG_DEBUG(("Swapping 57392 with -500"));
54 if (!silc_atomic_cas16(&ref16, silc_atomic_get_int16(&ref16), -500))
56 SILC_LOG_DEBUG(("Current value: %d (-500)",
57 (SilcInt16)silc_atomic_get_int16(&ref16)));
59 ret32 = silc_atomic_add_int32(&ref32, 1);
60 SILC_LOG_DEBUG(("ref32: 1 + 1 = %d (2)", ret32));
61 ret32 = silc_atomic_add_int32(&ref32, 310200);
62 SILC_LOG_DEBUG(("ref32: 2 + 310200 = %d (310202)", ret32));
63 ret32 = silc_atomic_add_int32(&ref32, 34000000);
64 SILC_LOG_DEBUG(("ref32: 310202 + 34000000 = %d (34310202)", ret32));
65 ret32 = silc_atomic_sub_int32(&ref32, 0);
66 SILC_LOG_DEBUG(("ref32: 34310202 - 0 = %d (34310202)", ret32));
67 ret32 = silc_atomic_sub_int32(&ref32, 0xfffffff);
68 SILC_LOG_DEBUG(("ref32: 34310202 - 0xfffffff = %d (-234125253) "
69 "(underflow)", ret32));
71 SILC_LOG_DEBUG(("Current value: %d (-234125253)",
72 silc_atomic_get_int32(&ref32)));
74 SILC_LOG_DEBUG(("Swapping -234125253 with 76327681"));
75 if (!silc_atomic_cas32(&ref32, silc_atomic_get_int32(&ref32), 76327681))
77 SILC_LOG_DEBUG(("Current value: %d (76327681)",
78 silc_atomic_get_int32(&ref32)));
80 SILC_LOG_DEBUG(("Current ptr: %p (0xdeadbeef)",
81 silc_atomic_get_pointer(&refptr)));
82 SILC_LOG_DEBUG(("Swapping %p with NULL", silc_atomic_get_pointer(&refptr)));
83 if (!silc_atomic_cas_pointer(&refptr,
84 silc_atomic_get_pointer(&refptr), NULL))
86 SILC_LOG_DEBUG(("Current ptr: %p (NULL)",
87 silc_atomic_get_pointer(&refptr)));
89 SILC_LOG_DEBUG(("Setting val 34322111 (32-bit)"));
90 silc_atomic_set_int32(&ref32, 34322111);
91 if (silc_atomic_get_int32(&ref32) != 34322111)
93 SILC_LOG_DEBUG(("Setting val 1432211119 (32-bit)"));
94 silc_atomic_set_int32(&ref32, 1432211119);
95 if (silc_atomic_get_int32(&ref32) != 1432211119)
97 SILC_LOG_DEBUG(("Setting val 23422 (16-bit)"));
98 silc_atomic_set_int16(&ref16, 23422);
99 if (silc_atomic_get_int16(&ref16) != 23422)
101 SILC_LOG_DEBUG(("Setting val 124 (8-bit)"));
102 silc_atomic_set_int8(&ref8, 124);
103 if (silc_atomic_get_int8(&ref8) != 124)
106 silc_atomic_uninit8(&ref8);
107 silc_atomic_uninit16(&ref16);
108 silc_atomic_uninit32(&ref32);
109 silc_atomic_uninit_pointer(&refptr);
114 SILC_LOG_DEBUG(("Testing was %s", success ? "SUCCESS" : "FAILURE"));
115 fprintf(stderr, "Testing was %s\n", success ? "SUCCESS" : "FAILURE");