Merge pull request #5 from jjs-dev/musl

Fix building on musl

Author: MikailBag

.github/workflows/rust.yml

@@ -33,6 +33,19 @@ jobs:
         run: |
           rm -rf .cargo
           cargo clippy --workspace -- -Dclippy::all
+  check-platform-support:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1.0.6
+        with:
+          toolchain: stable
+      - name: Remove cargo config
+        run: rm -rf .cargo
+      - name: Check musl
+        run: |
+          rustup target add x86_64-unknown-linux-musl
+          cargo check --workspace --target x86_64-unknown-linux-musl
   tests:
     runs-on: ubuntu-latest
     steps:

src/linux/zygote.rs

@@ -303,17 +303,15 @@ fn timed_wait(pid: Pid, timeout: Option<time::Duration>) -> crate::Result<Option
         end_r = 0;
         end_w = 0;
         setup_pipe(&mut end_r, &mut end_w)?;
-        let waiter_pid;
+        let mut waiter_pid: libc::pthread_t = unsafe { std::mem::zeroed() };
         {
             let mut arg = WaiterArg { res_fd: end_w, pid };
-            let mut wpid = 0;
             let ret = libc::pthread_create(
-                &mut wpid as *mut _,
+                &mut waiter_pid as *mut _,
                 ptr::null(),
                 timed_wait_waiter,
                 &mut arg as *mut WaiterArg as *mut c_void,
             );
-            waiter_pid = wpid;
             if ret != 0 {
                 errno::set_errno(errno::Errno(ret));
                 err_exit("pthread_create");