cosmic-files/src/main.rs

#[cfg(feature = "jemalloc")]
use tikv_jemallocator::Jemalloc;

#[cfg(feature = "jemalloc")]
#[global_allocator]
static GLOBAL: Jemalloc = Jemalloc;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Prevents glibc from hoarding memory via memory fragmentation.
    #[cfg(all(not(feature = "jemalloc"), target_env = "gnu"))]
    unsafe {
        libc::mallopt(libc::M_MMAP_THRESHOLD, 65536);
    }

    cosmic_files::main()
}