Disable jemalloc on openbsd (#100)

Summary:

Support is experimental, users are reporting compilation issues

Differential Revision: D75877273

Author: michalmuskala

Cargo.toml

@@ -81,9 +81,7 @@ once_cell = "1.19.0"
 parking_lot = "0.12.3"
 paths = { git = "https://github.com/rust-lang/rust-analyzer", rev = "2024-08-12" }
 proc-macro2 = "1.0.86"
-profile = { features = [
-    "jemalloc",
-], git = "https://github.com/rust-lang/rust-analyzer", rev = "2024-08-12" }
+profile = { git = "https://github.com/rust-lang/rust-analyzer", rev = "2024-08-12" }
 quote = "1.0.36"
 range-set = "0.0.10"
 rayon = "1.10.0"

crates/elp/Cargo.toml

@@ -61,9 +61,10 @@ tracing.workspace = true
 vfs-notify.workspace = true
 vfs.workspace = true
 
-[target.'cfg(not(target_env = "msvc"))'.dependencies]
+[target.'cfg(not(any(target_env = "msvc", target_os = "openbsd")))'.dependencies]
 jemalloc-ctl.workspace = true
 jemallocator.workspace = true
+profile = { workspace = true, features = ["jemalloc"] }
 
 [dev-dependencies]
 expect-test.workspace = true

crates/elp/src/bin/main.rs

@@ -43,12 +43,12 @@ mod reporting;
 mod shell;
 
 // Use jemalloc as the global allocator
-#[cfg(not(target_env = "msvc"))]
+#[cfg(not(any(target_env = "msvc", target_os = "openbsd")))]
 use jemallocator::Jemalloc;
 
 use crate::args::Args;
 
-#[cfg(not(target_env = "msvc"))]
+#[cfg(not(any(target_env = "msvc", target_os = "openbsd")))]
 #[global_allocator]
 static GLOBAL: Jemalloc = Jemalloc;
 static EQWALIZER_SUPPORT_DIR: Dir = include_dir!("$EQWALIZER_SUPPORT_DIR");

crates/elp/src/memory_usage.rs

@@ -46,7 +46,7 @@ impl std::ops::Sub for MemoryUsage {
 
 impl MemoryUsage {
     pub fn now() -> MemoryUsage {
-        #[cfg(not(target_env = "msvc"))]
+        #[cfg(not(any(target_env = "msvc", target_os = "openbsd")))]
         {
             jemalloc_ctl::epoch::advance().unwrap();
             MemoryUsage {