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author | Ian Lance Taylor <iant@golang.org> | 2019-03-13 18:56:37 -0700 |
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committer | Ian Lance Taylor <iant@golang.org> | 2019-03-15 03:37:49 +0000 |
commit | 0a7bc8f430e3e4017910780a898a5f20d337895b (patch) | |
tree | 05de8f86002d9e9313331d1c917fe88925625b81 /src/runtime/defs_freebsd_arm.go | |
parent | 829c140f149dba8933dea0cead3a78de4c83b529 (diff) | |
download | go-git-0a7bc8f430e3e4017910780a898a5f20d337895b.tar.gz |
runtime: introduce and consistently use setNsec for timespec
The general code for setting a timespec value sometimes used set_nsec
and sometimes used a combination of set_sec and set_nsec. Standardize
on a setNsec function that takes a number of nanoseconds and splits
them up to set the tv_sec and tv_nsec fields. Consistently mark
setNsec as go:nosplit, since it has to be that way on some systems
including Darwin and GNU/Linux. Consistently use timediv on 32-bit
systems to help stay within split-stack limits on processors that
don't have a 64-bit division instruction.
Change-Id: I6396bb7ddbef171a96876bdeaf7a1c585a6d725b
Reviewed-on: https://go-review.googlesource.com/c/go/+/167389
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Diffstat (limited to 'src/runtime/defs_freebsd_arm.go')
-rw-r--r-- | src/runtime/defs_freebsd_arm.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/runtime/defs_freebsd_arm.go b/src/runtime/defs_freebsd_arm.go index 0c21ea6cff..cc8c924c37 100644 --- a/src/runtime/defs_freebsd_arm.go +++ b/src/runtime/defs_freebsd_arm.go @@ -163,8 +163,9 @@ type timespec struct { pad_cgo_0 [4]byte } -func (ts *timespec) set_sec(x int64) { - ts.tv_sec = x +//go:nosplit +func (ts *timespec) setNsec(ns int64) { + ts.tv_sec = int64(timediv(ns, 1e9, &ts.tv_nsec)) } type timeval struct { |