Update libc crate to 0.2.55

This change updates the libc crate to version 0.2.55.

Import subrepo libc/:libc at caf17a0641d29dc624621177f5756804dd180c13

28 files changed, 127 insertions, 33 deletions

diff --git a/libc/ci/docker/aarch64-linux-android/Dockerfile b/libc/ci/docker/aarch64-linux-android/Dockerfile
index 5fc83aa..1458423 100644
--- a/libc/ci/docker/aarch64-linux-android/Dockerfile
+++ b/libc/ci/docker/aarch64-linux-android/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:19.04
 
 RUN dpkg --add-architecture i386 && \
     apt-get update && \
@@ -9,7 +9,7 @@ RUN dpkg --add-architecture i386 && \
   python \
   unzip \
   expect \
-  openjdk-9-jre \
+  openjdk-11-jre \
   libstdc++6:i386 \
   libpulse0 \
   gcc \
diff --git a/libc/ci/docker/aarch64-unknown-linux-gnu/Dockerfile b/libc/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
index 18214a3..716a445 100644
--- a/libc/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/aarch64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-aarch64-linux-gnu libc6-dev-arm64-cross qemu-user
diff --git a/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile b/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile
index fbc47d9..143a960 100644
--- a/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/aarch64-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
diff --git a/libc/ci/docker/arm-linux-androideabi/Dockerfile b/libc/ci/docker/arm-linux-androideabi/Dockerfile
index a3fc64b..acc784e 100644
--- a/libc/ci/docker/arm-linux-androideabi/Dockerfile
+++ b/libc/ci/docker/arm-linux-androideabi/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:19.04
 
 RUN dpkg --add-architecture i386 && \
     apt-get update && \
@@ -9,7 +9,7 @@ RUN dpkg --add-architecture i386 && \
   python \
   unzip \
   expect \
-  openjdk-9-jre \
+  openjdk-11-jre \
   libstdc++6:i386 \
   libpulse0 \
   gcc \
diff --git a/libc/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile b/libc/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile
index 9fe71dc..bcdbb22 100644
--- a/libc/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile
+++ b/libc/ci/docker/arm-unknown-linux-gnueabihf/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates \
   gcc-arm-linux-gnueabihf libc6-dev-armhf-cross qemu-user
diff --git a/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile b/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
index 0d493ca..e29e854 100644
--- a/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
+++ b/libc/ci/docker/arm-unknown-linux-musleabihf/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
diff --git a/libc/ci/docker/asmjs-unknown-emscripten/Dockerfile b/libc/ci/docker/asmjs-unknown-emscripten/Dockerfile
index 3088fc5..6c08340 100644
--- a/libc/ci/docker/asmjs-unknown-emscripten/Dockerfile
+++ b/libc/ci/docker/asmjs-unknown-emscripten/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:19.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/libc/ci/docker/i686-linux-android/Dockerfile b/libc/ci/docker/i686-linux-android/Dockerfile
index f0836c3..59ea2d7 100644
--- a/libc/ci/docker/i686-linux-android/Dockerfile
+++ b/libc/ci/docker/i686-linux-android/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:19.04
 
 RUN dpkg --add-architecture i386 && \
     apt-get update && \
@@ -9,7 +9,7 @@ RUN dpkg --add-architecture i386 && \
   python \
   unzip \
   expect \
-  openjdk-9-jre \
+  openjdk-11-jre \
   libstdc++6:i386 \
   libpulse0 \
   gcc \
diff --git a/libc/ci/docker/i686-unknown-linux-gnu/Dockerfile b/libc/ci/docker/i686-unknown-linux-gnu/Dockerfile
index 03f3e8e..5563a7b 100644
--- a/libc/ci/docker/i686-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/i686-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:19.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc-multilib libc6-dev ca-certificates
diff --git a/libc/ci/docker/i686-unknown-linux-musl/Dockerfile b/libc/ci/docker/i686-unknown-linux-musl/Dockerfile
index b726e4d..c085c10 100644
--- a/libc/ci/docker/i686-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/i686-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN dpkg --add-architecture i386
 RUN apt-get update
diff --git a/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile b/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile
index c66abd4..9f1bcaf 100644
--- a/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/mips-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/libc/ci/docker/mips-unknown-linux-musl/Dockerfile b/libc/ci/docker/mips-unknown-linux-musl/Dockerfile
index dde22fd..7f2764c 100644
--- a/libc/ci/docker/mips-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/mips-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates qemu-system-mips curl \
diff --git a/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile b/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
index b9921fc..b97cdb4 100644
--- a/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
+++ b/libc/ci/docker/mips64-unknown-linux-gnuabi64/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile b/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
index 434c908..7f79452 100644
--- a/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
+++ b/libc/ci/docker/mips64el-unknown-linux-gnuabi64/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/libc/ci/docker/mipsel-unknown-linux-musl/Dockerfile b/libc/ci/docker/mipsel-unknown-linux-musl/Dockerfile
index 037bf64..03e8357 100644
--- a/libc/ci/docker/mipsel-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/mipsel-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates qemu-system-mips curl \
diff --git a/libc/ci/docker/powerpc-unknown-linux-gnu/Dockerfile b/libc/ci/docker/powerpc-unknown-linux-gnu/Dockerfile
index 106ada4..9fa05af 100644
--- a/libc/ci/docker/powerpc-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/powerpc-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
@@ -7,4 +7,5 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 ENV CARGO_TARGET_POWERPC_UNKNOWN_LINUX_GNU_LINKER=powerpc-linux-gnu-gcc \
     CARGO_TARGET_POWERPC_UNKNOWN_LINUX_GNU_RUNNER="qemu-ppc -L /usr/powerpc-linux-gnu" \
+    CC=powerpc-linux-gnu-gcc \
     PATH=$PATH:/rust/bin
diff --git a/libc/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile b/libc/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile
index a6ab66a..ab40789 100644
--- a/libc/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/powerpc64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/libc/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile b/libc/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile
index 627123e..4dcd632 100644
--- a/libc/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/powerpc64le-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev qemu-user ca-certificates \
diff --git a/libc/ci/docker/s390x-unknown-linux-gnu/Dockerfile b/libc/ci/docker/s390x-unknown-linux-gnu/Dockerfile
index 861f4f9..75c11c1 100644
--- a/libc/ci/docker/s390x-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/s390x-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         curl ca-certificates \
diff --git a/libc/ci/docker/sparc64-unknown-linux-gnu/Dockerfile b/libc/ci/docker/sparc64-unknown-linux-gnu/Dockerfile
index d9edaab..d1f4503 100644
--- a/libc/ci/docker/sparc64-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/sparc64-unknown-linux-gnu/Dockerfile
@@ -1,14 +1,11 @@
-FROM debian:stretch
+FROM ubuntu:19.04
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
         curl ca-certificates \
         gcc libc6-dev \
         gcc-sparc64-linux-gnu libc6-dev-sparc64-cross \
         qemu-system-sparc64 openbios-sparc seabios ipxe-qemu \
-        p7zip-full cpio linux-libc-dev-sparc64-cross linux-headers-4.9.0-3-common
-
-# Put linux/module.h into the right spot as it is not shipped by debian
-RUN cp /usr/src/linux-headers-4.9.0-3-common/include/uapi/linux/module.h /usr/sparc64-linux-gnu/include/linux/
+        p7zip-full cpio linux-libc-dev-sparc64-cross
 
 COPY linux-sparc64.sh /
 RUN bash /linux-sparc64.sh
diff --git a/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile b/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile
index 59bf7d9..de8e353 100644
--- a/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile
+++ b/libc/ci/docker/wasm32-unknown-emscripten/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:19.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/libc/ci/docker/wasm32-wasi/Dockerfile b/libc/ci/docker/wasm32-wasi/Dockerfile
new file mode 100644
index 0000000..d963a44
--- /dev/null
+++ b/libc/ci/docker/wasm32-wasi/Dockerfile
@@ -0,0 +1,93 @@
+# In the first container we want to assemble the `wasi-sysroot` by compiling it
+# from source. This requires a clang 8.0+ compiler with enough wasm support and
+# then we're just running a standard `make` inside of what we clone.
+FROM ubuntu:18.04 as wasi-sysroot
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    ca-certificates \
+    clang \
+    cmake \
+    curl \
+    g++ \
+    git \
+    libc6-dev \
+    libclang-dev \
+    make \
+    ssh \
+    xz-utils
+
+# Fetch clang 8.0+ which is used to compile the wasi target and link our
+# programs together.
+RUN curl http://releases.llvm.org/8.0.0/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-18.04.tar.xz | tar xJf -
+RUN mv /clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-18.04 /wasmcc
+
+# Note that we're using `git reset --hard` to pin to a specific commit for
+# verification for now. The sysroot is currently in somewhat of a state of flux
+# and is expected to have breaking changes, so this is an attempt to mitigate
+# those breaking changes on `libc`'s own CI
+RUN git clone https://github.com/CraneStation/wasi-sysroot && \
+  cd wasi-sysroot && \
+  git reset --hard eee6ee7566e26f2535eb6088c8494a112ff423b9
+RUN make -C wasi-sysroot install -j $(nproc) WASM_CC=/wasmcc/bin/clang INSTALL_DIR=/wasi-sysroot
+
+# This is a small wrapper script which executes the actual clang binary in
+# `/wasmcc` and then is sure to pass the right `--sysroot` argument which we
+# just built above.
+COPY docker/wasm32-wasi/clang.sh /wasi-sysroot/bin/clang
+
+# In the second container we're going to build the `wasmtime` binary which is
+# used to execute wasi executables. This is a standard Rust project so we're
+# just checking out a known revision (which pairs with the sysroot one we
+# downlaoded above) and then we're building it with Cargo
+FROM ubuntu:18.04 as wasmtime
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    ca-certificates \
+    clang \
+    cmake \
+    curl \
+    g++ \
+    git \
+    libclang-dev \
+    make \
+    ssh
+
+RUN curl -sSf https://sh.rustup.rs |  sh -s -- -y
+ENV PATH=/root/.cargo/bin:$PATH
+
+RUN apt-get install -y --no-install-recommends python
+RUN git clone --recursive https://github.com/CraneStation/wasmtime wasmtime && \
+  cd wasmtime && \
+  git reset --hard 67edb00f29b62864b00179fe4bfa99bc29973285
+RUN cargo build --release --manifest-path wasmtime/Cargo.toml
+
+# And finally in the last image we're going to assemble everything together.
+# We'll install things needed at runtime for now and then copy over the
+# sysroot/wasmtime artifacts into their final location.
+FROM ubuntu:18.04
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    gcc \
+    libc6-dev \
+    libxml2 \
+    ca-certificates
+
+# Copy over clang we downloaded to link executables ...
+COPY --from=wasi-sysroot /wasmcc /wasmcc/
+# ... and the sysroot we built to link executables against ...
+COPY --from=wasi-sysroot /wasi-sysroot/ /wasi-sysroot/
+# ... and finally wasmtime to actually execute binaries
+COPY --from=wasmtime /wasmtime/target/release/wasmtime /usr/bin/
+
+# Of note here is our clang wrapper which just executes a normal clang
+# executable with the right sysroot, and then we're sure to turn off the
+# crt-static feature to ensure that the CRT that we're specifying with `clang`
+# is used.
+ENV CARGO_TARGET_WASM32_WASI_RUNNER=wasmtime \
+  CARGO_TARGET_WASM32_WASI_LINKER=/wasi-sysroot/bin/clang \
+  CC_wasm32_wasi=/wasi-sysroot/bin/clang \
+  PATH=$PATH:/rust/bin \
+  RUSTFLAGS=-Ctarget-feature=-crt-static
diff --git a/libc/ci/docker/wasm32-wasi/clang.sh b/libc/ci/docker/wasm32-wasi/clang.sh
new file mode 100755
index 0000000..6f29812
--- /dev/null
+++ b/libc/ci/docker/wasm32-wasi/clang.sh
@@ -0,0 +1,2 @@
+#!/usr/bin/env sh
+exec /wasmcc/bin/clang --target=wasm32-wasi --sysroot /wasi-sysroot "$@"
diff --git a/libc/ci/docker/x86_64-linux-android/Dockerfile b/libc/ci/docker/x86_64-linux-android/Dockerfile
index 0cfbc48..b0984c0 100644
--- a/libc/ci/docker/x86_64-linux-android/Dockerfile
+++ b/libc/ci/docker/x86_64-linux-android/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:19.04
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
diff --git a/libc/ci/docker/x86_64-rumprun-netbsd/runtest.rs b/libc/ci/docker/x86_64-rumprun-netbsd/runtest.rs
index 94b5946..7e96fbf 100644
--- a/libc/ci/docker/x86_64-rumprun-netbsd/runtest.rs
+++ b/libc/ci/docker/x86_64-rumprun-netbsd/runtest.rs
@@ -47,7 +47,8 @@ fn find_ok(input: &mut Read, tx: mpsc::Sender<()>) {
     for line in BufReader::new(input).lines() {
         let line = line.unwrap();
         println!("{}", line);
-        if line.starts_with("PASSED ") && line.contains(" tests") {
+        if (line.starts_with("PASSED ") && line.contains(" tests")) ||
+            line.starts_with("test result: ok"){
             tx.send(()).unwrap();
         }
     }
diff --git a/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile b/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
index 6ab9c92..0dbb191 100644
--- a/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
+++ b/libc/ci/docker/x86_64-unknown-linux-gnu/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:19.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc libc6-dev ca-certificates
diff --git a/libc/ci/docker/x86_64-unknown-linux-gnux32/Dockerfile b/libc/ci/docker/x86_64-unknown-linux-gnux32/Dockerfile
index 03f3e8e..5563a7b 100644
--- a/libc/ci/docker/x86_64-unknown-linux-gnux32/Dockerfile
+++ b/libc/ci/docker/x86_64-unknown-linux-gnux32/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:18.04
+FROM ubuntu:19.04
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc-multilib libc6-dev ca-certificates
diff --git a/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile b/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile
index 0a27709..59164d2 100644
--- a/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile
+++ b/libc/ci/docker/x86_64-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:17.10
+FROM ubuntu:19.04
 
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \