From 0ba19b02591a32458df09756ba58c5aaeded2257 Mon Sep 17 00:00:00 2001
From: Christine Dodrill <me@christine.website>
Date: Mon, 27 Mar 2017 21:30:31 -0700
Subject: [PATCH] vendor gopreload

---
 vendor-log                                |  1 +
 vendor/github.com/Xe/gopreload/doc.go     |  7 ++++++
 vendor/github.com/Xe/gopreload/preload.go | 26 +++++++++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 vendor/github.com/Xe/gopreload/doc.go
 create mode 100644 vendor/github.com/Xe/gopreload/preload.go

diff --git a/vendor-log b/vendor-log
index ca61de4..eeeba56 100644
--- a/vendor-log
+++ b/vendor-log
@@ -94,3 +94,4 @@ a1a5df8f92af764f378f07d6a3dd8eb3f7aa190a	github.com/xtaci/smux
 6c23252515492caf9b228a9d5cabcdbde29f7f82	golang.org/x/net/internal/netreflect
 6c23252515492caf9b228a9d5cabcdbde29f7f82	golang.org/x/net/ipv4
 8bf1e9bacbf65b10c81d0f4314cf2b1ebef728b5	github.com/streamrail/concurrent-map
+a00a8beb369cafd88bb7b32f31fc4ff3219c3565	github.com/Xe/gopreload
diff --git a/vendor/github.com/Xe/gopreload/doc.go b/vendor/github.com/Xe/gopreload/doc.go
new file mode 100644
index 0000000..720c5c1
--- /dev/null
+++ b/vendor/github.com/Xe/gopreload/doc.go
@@ -0,0 +1,7 @@
+/*
+Package gopreload is a bit of a hack to emulate the behavior of LD_PRELOAD [ld-preload].
+This allows you to have automatically starting instrumentation, etc.
+
+[ld-preload]: http://man7.org/linux/man-pages/man8/ld.so.8.html (see LD_PRELOAD section)
+*/
+package gopreload
diff --git a/vendor/github.com/Xe/gopreload/preload.go b/vendor/github.com/Xe/gopreload/preload.go
new file mode 100644
index 0000000..1b5a0c9
--- /dev/null
+++ b/vendor/github.com/Xe/gopreload/preload.go
@@ -0,0 +1,26 @@
+//+build linux,go1.8
+
+package gopreload
+
+import (
+	"log"
+	"os"
+	"plugin"
+	"strings"
+)
+
+func init() {
+	gpv := os.Getenv("GO_PRELOAD")
+	if gpv == "" {
+		return
+	}
+
+	for _, elem := range strings.Split(gpv, ",") {
+		log.Printf("gopreload: trying to open: %s", elem)
+		_, err := plugin.Open(elem)
+		if err != nil {
+			log.Printf("%v from GO_PRELOAD cannot be loaded: %v", elem, err)
+			continue
+		}
+	}
+}