handle UnsatisfiedLinkError in LinuxPOSIX constructor, resolves #187

jnr · Feb 6, 2024 · 75bb232 · 75bb232
1 parent 3b3e32f
commit 75bb232
Showing 1 changed file with 25 additions and 15 deletions.
diff --git a/src/main/java/jnr/posix/LinuxPOSIX.java b/src/main/java/jnr/posix/LinuxPOSIX.java
@@ -22,16 +22,26 @@ final class LinuxPOSIX extends BaseNativePOSIX implements Linux {
     LinuxPOSIX(LibCProvider libcProvider, POSIXHandler handler) {
         super(libcProvider, handler);
 
+        statVersion = getStatVersion();
+        if (statVersion == -1) {
+            use_fxstat64 = false;
+            use_lxstat64 = false;
+            use_xstat64 = false;
+        }
+    }
 
+    private int getStatVersion() {
         if (Platform.IS_32_BIT || "sparcv9".equals(Platform.ARCH) || Platform.ARCH.contains("mips64")) {
-            statVersion = 3;
+            return 3;
         } else {
             FileStat stat = allocateStat();
-
-            if (((LinuxLibC) libc()).__xstat64(0, "/dev/null", stat) < 0) {
-                statVersion = 1;
-            } else {
-                statVersion = 0;
+            try {
+                if (((LinuxLibC) libc()).__xstat64(0, "/dev/null", stat) < 0) {
+                    return 1;
+                }
+                return 0;
+            } catch (UnsatisfiedLinkError ex) {
+                return -1;
             }
         }
     }
@@ -44,16 +54,16 @@ public FileStat allocateStat() {
             if ("aarch64".equals(Platform.ARCH)) {
                 return new LinuxFileStatAARCH64(this);
             } else if ("sparcv9".equals(Platform.ARCH)) {
-		return new LinuxFileStatSPARCV9(this);
-	    } else if ("loongarch64".equals(Platform.ARCH)) {
-		return new LinuxFileStatLOONGARCH64(this);
-	    } else {
-		if (Platform.ARCH.contains("mips64")) {
-		    return new LinuxFileStatMIPS64(this);
-		}
+                return new LinuxFileStatSPARCV9(this);
+            } else if ("loongarch64".equals(Platform.ARCH)) {
+                return new LinuxFileStatLOONGARCH64(this);
+            } else {
+                if (Platform.ARCH.contains("mips64")) {
+                    return new LinuxFileStatMIPS64(this);
+                }
                 return new LinuxFileStat64(this);
-	    }
-	}
+            }
+        }
     }
 
     public MsgHdr allocateMsgHdr() {