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46 lines
1.7 KiB
Diff
46 lines
1.7 KiB
Diff
From 8c7419649d6e6fda8fa7d0e863084c78ac728628 Mon Sep 17 00:00:00 2001
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From: Alistair Francis <alistair.francis@wdc.com>
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Date: Wed, 28 Aug 2019 10:54:15 -0700
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Subject: [PATCH 3/3] runsv: Use 64 prefix syscall if we have to
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Some 32-bit architectures no longer have the 32-bit time_t syscalls.
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Instead they have suffixed syscalls that returns a 64-bit time_t. If
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the architecture doesn't have the non-suffixed syscall and is using a
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64-bit time_t let's use the suffixed syscall instead.
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This fixes build issues when building for RISC-V 32-bit with 5.1+ kernel
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headers.
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If an architecture only supports the suffixed syscalls, but is still
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using a 32-bit time_t report a compilation error. This avoids us have to
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deal with converting between 64-bit and 32-bit values. There are
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currently no architectures where this is the case.
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Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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Upstream-Status: Backport [https://git.busybox.net/busybox/commit/?id=ad27d44ebe950335616f37e36863469dc181b455]
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---
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runit/runsv.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/runit/runsv.c b/runit/runsv.c
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index ccc762d78..737909b0e 100644
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--- a/runit/runsv.c
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+++ b/runit/runsv.c
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@@ -55,7 +55,14 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* typically requiring -lrt. We just skip all this mess */
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static void gettimeofday_ns(struct timespec *ts)
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{
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+#if defined(__NR_clock_gettime)
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syscall(__NR_clock_gettime, CLOCK_REALTIME, ts);
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+#elif __TIMESIZE == 64
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+ syscall(__NR_clock_gettime64, CLOCK_REALTIME, ts);
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+#else
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+# error "We currently don't support architectures without " \
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+ "the __NR_clock_gettime syscall and 32-bit time_t"
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+#endif
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}
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#else
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static void gettimeofday_ns(struct timespec *ts)
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--
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2.22.0
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