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From 5ee7d4623d10374107de171c796f76054c676c75 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Mon, 16 Nov 2020 10:36:43 -0800
Subject: [PATCH] Disable use of __NR_io_getevents when not defined
Architectures like riscv32 do not define this syscall, therefore return
ENOSYS on such architectures
Upstream-Status: Submitted [https://github.com/andersson/diag/pull/5]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
router/watch.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/router/watch.c
+++ b/router/watch.c
@@ -102,10 +102,17 @@ static long io_destroy(aio_context_t ctx
return syscall(__NR_io_destroy, ctx);
}
-static long io_getevents(aio_context_t ctx, long min_nr, long nr,
- struct io_event *events, struct timespec *tmo)
+static long io_getevents(__attribute__((unused)) aio_context_t ctx,
+ __attribute__((unused)) long min_nr,
+ __attribute__((unused)) long nr,
+ __attribute__((unused)) struct io_event *events,
+ __attribute__((unused)) struct timespec *tmo)
{
+#ifdef __NR_io_getevents
return syscall(__NR_io_getevents, ctx, min_nr, nr, events, tmo);
+#else
+ return -ENOSYS;
+#endif
}
static long io_setup(unsigned nr_reqs, aio_context_t *ctx)
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