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lib/emscripten/src/syscalls/mod.rs

@@ -39,6 +39,7 @@ use libc::{
     // writev,
     stat,
     write,
+    getuid,
     // readlink,
 };
 use wasmer_runtime_core::{
@@ -611,9 +612,12 @@ pub fn ___syscall197(ctx: &mut Ctx, _which: c_int, mut varargs: VarArgs) -> c_in
     0
 }
 
+// getuid
 pub fn ___syscall199(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {
-    debug!("emscripten::___syscall199 - stub");
-    -1
+    debug!("emscripten::___syscall199 (getuid)");
+    let uid = unsafe { getuid() as _ };
+    debug!("  => {}", uid);
+    uid
 }
 
 pub fn ___syscall209(_ctx: &mut Ctx, _one: i32, _two: i32) -> i32 {