5 * assume we don't have _get either, if _set isn't defined
7 #ifndef __NR_ioprio_set
9 #define __NR_ioprio_set 289
10 #define __NR_ioprio_get 290
11 #elif defined(__powerpc__) || defined(__powerpc64__)
12 #define __NR_ioprio_set 273
13 #define __NR_ioprio_get 274
14 #elif defined(__x86_64__)
15 #define __NR_ioprio_set 251
16 #define __NR_ioprio_get 252
17 #elif defined(__ia64__)
18 #define __NR_ioprio_set 1274
19 #define __NR_ioprio_get 1275
20 #elif defined(__alpha__)
21 #define __NR_ioprio_set 442
22 #define __NR_ioprio_get 443
23 #elif defined(__s390x__) || defined(__s390__)
24 #define __NR_ioprio_set 282
25 #define __NR_ioprio_get 283
27 #error "Unsupported arch"
31 #ifndef __NR_fadvise64
33 #define __NR_fadvise64 250
34 #elif defined(__powerpc__) || defined(__powerpc64__)
35 #define __NR_fadvise64 233
36 #elif defined(__x86_64__)
37 #define __NR_fadvise64 221
38 #elif defined(__ia64__)
39 #define __NR_fadvise64 1234
40 #elif defined(__alpha__)
41 #define __NR_fadvise64 413
42 #elif defined(__s390x__) || defined(__s390__)
43 #define __NR_fadvise64 253
45 #error "Unsupported arch"
49 #if defined(__i386__) || defined(__x86_64)
50 #define nop __asm__ __volatile__("rep;nop": : :"memory")
51 #elif defined defined(__powerpc__) || defined(__powerpc64__)
52 #define nop do { } while (0)
53 #elif defined(__ia64__)
54 #define nop asm volatile ("hint @pause" ::: "memory");
55 #elif defined(__alpha__)
56 #define nop do { } while (0)
57 #elif defined(__s390x__) || defined(__s390__)
58 #define nop asm volatile ("diag 0,0,68" : : : "memory")
60 #error "Unsupported arch"