1*4882a593SmuzhiyunFrom 455c4938f5822c017c7ff79dd2dca638b6410923 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Khem Raj <raj.khem@gmail.com>
3*4882a593SmuzhiyunDate: Sun, 15 Nov 2020 18:05:48 -0800
4*4882a593SmuzhiyunSubject: [PATCH] Disable use of __NR_io_getevents when not defined
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunArchitectures like riscv32 do not define this syscall, therefore return
7*4882a593SmuzhiyunENOSYS on such architectures
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunUpstream-Status: Pending
10*4882a593SmuzhiyunSigned-off-by: Khem Raj <raj.khem@gmail.com>
11*4882a593SmuzhiyunSigned-off-by: Stephan Mueller <smueller@chronox.de>
12*4882a593Smuzhiyun[Retrieved from:
13*4882a593Smuzhiyunhttps://github.com/smuellerDD/libkcapi/commit/455c4938f5822c017c7ff79dd2dca638b6410923]
14*4882a593SmuzhiyunSigned-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
15*4882a593Smuzhiyun---
16*4882a593Smuzhiyun lib/internal.h | 11 +++++++++--
17*4882a593Smuzhiyun 1 file changed, 9 insertions(+), 2 deletions(-)
18*4882a593Smuzhiyun
19*4882a593Smuzhiyundiff --git a/lib/internal.h b/lib/internal.h
20*4882a593Smuzhiyunindex 1237827..f765461 100644
21*4882a593Smuzhiyun--- a/lib/internal.h
22*4882a593Smuzhiyun+++ b/lib/internal.h
23*4882a593Smuzhiyun@@ -325,10 +325,17 @@ static inline int io_submit(aio_context_t ctx, long n,  struct iocb **iocb)
24*4882a593Smuzhiyun     return syscall(__NR_io_submit, ctx, n, iocb);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun-static inline int io_getevents(aio_context_t ctx, long min, long max,
28*4882a593Smuzhiyun-            struct io_event *events, struct timespec *timeout)
29*4882a593Smuzhiyun+static inline int io_getevents(__attribute__((unused)) aio_context_t ctx,
30*4882a593Smuzhiyun+            __attribute__((unused)) long min,
31*4882a593Smuzhiyun+            __attribute__((unused)) long max,
32*4882a593Smuzhiyun+            __attribute__((unused)) struct io_event *events,
33*4882a593Smuzhiyun+            __attribute__((unused)) struct timespec *timeout)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun+#ifdef __NR_io_getevents
36*4882a593Smuzhiyun     return syscall(__NR_io_getevents, ctx, min, max, events, timeout);
37*4882a593Smuzhiyun+#else
38*4882a593Smuzhiyun+    return -ENOSYS;
39*4882a593Smuzhiyun+#endif
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun /************************************************************
43