Use libc abort instead intrinsic abort when available

src/panic.rs

@@ -18,7 +18,7 @@ impl Drop for DropGuard {
         {
             drop_panic();
         }
-        core::intrinsics::abort();
+        crate::util::abort();
     }
 }
 
@@ -57,7 +57,7 @@ pub fn catch_unwind<R, F: FnOnce() -> R>(f: F) -> Result<R, Box<dyn Any + Send>>
                 {
                     foreign_exception();
                 }
-                core::intrinsics::abort();
+                crate::util::abort();
             }
             Some(e) => {
                 #[cfg(feature = "panic-handler")]

src/panic_handler.rs

@@ -80,7 +80,7 @@ fn do_panic(msg: Box<dyn Any + Send>) -> ! {
     if PANIC_COUNT.get() >= 1 {
         stack_trace();
         eprintln!("thread panicked while processing panic. aborting.");
-        core::intrinsics::abort();
+        crate::util::abort();
     }
     PANIC_COUNT.set(1);
     if check_env() {
@@ -88,7 +88,7 @@ fn do_panic(msg: Box<dyn Any + Send>) -> ! {
     }
     let code = crate::panic::begin_panic(Box::new(msg));
     eprintln!("failed to initiate panic, error {}", code.0);
-    core::intrinsics::abort();
+    crate::util::abort();
 }
 
 #[panic_handler]

src/panic_handler_dummy.rs

@@ -2,5 +2,5 @@ use core::panic::PanicInfo;
 
 #[panic_handler]
 fn panic(_info: &PanicInfo<'_>) -> ! {
-    core::intrinsics::abort();
+    crate::util::abort();
 }

src/util.rs

@@ -23,3 +23,19 @@ pub use libc::c_int;
 #[cfg(not(feature = "libc"))]
 #[allow(non_camel_case_types)]
 pub type c_int = i32;
+
+#[cfg(all(
+    any(feature = "panicking", feature = "panic-handler-dummy"),
+    feature = "libc"
+))]
+pub fn abort() -> ! {
+    unsafe { libc::abort() };
+}
+
+#[cfg(all(
+    any(feature = "panicking", feature = "panic-handler-dummy"),
+    not(feature = "libc")
+))]
+pub fn abort() -> ! {
+    core::intrinsics::abort();
+}