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--- ext/os/lib.rs.orig 2023-01-13 13:12:37 UTC
+++ ext/os/lib.rs
@@ -4,6 +4,7 @@ use std::env;
use std::collections::HashMap;
use std::collections::HashSet;
use std::env;
+use std::path::PathBuf;
use std::sync::Arc;
use std::sync::atomic::AtomicI32;
use std::sync::atomic::Ordering;
@@ -112,7 +113,8 @@ fn op_exec_path() -> Result<String, OsError> {
#[op2]
#[string]
fn op_exec_path() -> Result<String, OsError> {
- let current_exe = env::current_exe().unwrap();
+ let current_exe =
+ env::current_exe().unwrap_or_else(|_| PathBuf::from("PREFIX/bin/deno"));
// normalize path so it doesn't include '.' or '..' components
let path = normalize_path(Cow::Owned(current_exe));
@@ -660,6 +662,46 @@ fn rss() -> u64 {
} else {
0
}
+}
+
+#[cfg(target_os = "freebsd")]
+fn rss() -> usize {
+ // Uses FreeBSD's KERN_PROC_PID sysctl(2)
+ // to retrieve information about the current
+ // process, part of which is the RSS (ki_rssize)
+ let pid = unsafe { libc::getpid() };
+ // SAFETY: libc call (get system page size)
+ let pagesize = unsafe { libc::sysconf(libc::_SC_PAGESIZE) } as usize;
+ // KERN_PROC_PID returns a struct libc::kinfo_proc
+ let mut kinfoproc = std::mem::MaybeUninit::<libc::kinfo_proc>::uninit();
+ let mut size = std::mem::size_of_val(&kinfoproc) as libc::size_t;
+ let mut mib = [
+ libc::CTL_KERN,
+ libc::KERN_PROC,
+ libc::KERN_PROC_PID,
+ pid,
+ ];
+ // SAFETY: libc call, mib has been statically initialized,
+ // kinfoproc is a valid pointer to a libc::kinfo_proc struct
+ let res = unsafe {
+ libc::sysctl(
+ mib.as_mut_ptr(),
+ mib.len() as _,
+ kinfoproc.as_mut_ptr() as *mut libc::c_void,
+ &mut size,
+ std::ptr::null_mut(),
+ 0,
+ )
+ };
+
+ if res == 0 {
+ // SAFETY: sysctl returns 0 on success and kinfoproc is initialized
+ // ki_rssize contains size in pages -> multiply with pagesize to
+ // get size in bytes.
+ pagesize * unsafe { (*kinfoproc.as_mut_ptr()).ki_rssize as usize }
+ } else {
+ 0
+ }
}
#[cfg(windows)]
|
