Let's use one copy of this identical code, too.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4490 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/util/signal/Linux/com_threerings_util_signal_SignalManager.c

@@ -1,96 +0,0 @@
-/**
- * $Id: com_threerings_util_signal_SignalManager.c 3327 2005-02-03 01:02:58Z mdb $
- */
-
-#include <signal.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include <jni.h>
-#include "com_threerings_util_signal_SignalManager.h"
-
-static int writefd;
-
-typedef void (*sighandler_t)(int);
-static sighandler_t old_handlers[64];
-static sighandler_t handlers[64];
-
-static void
-signal_handler (int signo)
-{
-    write(writefd, &signo, sizeof(signo));
-    signal(SIGINT, signal_handler);
-}
-
-/**
- * Class:     com_threerings_util_signal_SignalManager
- * Method:    activateHandler
- * Signature: (I)V
- */
-JNIEXPORT void JNICALL
-Java_com_threerings_util_signal_SignalManager_activateHandler (
-    JNIEnv* env, jclass clazz, jint signo)
-{
-    old_handlers[signo] = signal(signo, signal_handler);
-    if (old_handlers[signo] == SIG_ERR) {
-        fprintf(stderr, "Error setting signal handler (%d): %s\n",
-                signo, strerror(errno));
-        old_handlers[signo] = 0;
-    } else {
-        handlers[signo] = signal_handler;
-    }
-}
-
-/**
- * Class:     com_threerings_util_signal_SignalManager
- * Method:    deactivateHandler
- * Signature: (I)V
- */
-JNIEXPORT void JNICALL
-Java_com_threerings_util_signal_SignalManager_deactivateHandler (
-    JNIEnv* env, jclass clazz, jint signo)
-{
-    if (old_handlers[signo] != 0) {
-        signal(signo, old_handlers[signo]);
-        old_handlers[signo] = 0;
-        handlers[signo] = 0;
-    }
-}
-
-/**
- * Class:     com_threerings_util_signal_SignalManager
- * Method:    dispatchSignals
- * Signature: ()V
- */
-JNIEXPORT void JNICALL
-Java_com_threerings_util_signal_SignalManager_dispatchSignals (
-    JNIEnv* env, jclass clazz)
-{
-    int filedes[2], readfd;
-    jint signo;
-    jmethodID mid = (*env)->GetStaticMethodID(
-        env, clazz, "signalReceived", "(I)V");
-
-    if (pipe(filedes) < 0) {
-        fprintf(stderr, "Failed to create signal pipe: %s\n", strerror(errno));
-        return;
-    }
-    readfd = filedes[0];
-    writefd = filedes[1];
-
-    while (1) {
-        int got = read(readfd, &signo, sizeof(int));
-        if (got < 0) {
-            fprintf(stderr, "Signal pipe read failed: %s\n", strerror(errno));
-        } else if (got == 0) {
-            fprintf(stderr, "Signal pipe read returned zero bytes.\n");
-        } else {
-            if (signo < 0 || signo >= 64 || handlers[signo] == 0) {
-                fprintf(stderr, "Received bogus signal (%d).\n", signo);
-            } else {
-                (*env)->CallStaticVoidMethod(env, clazz, mid, signo);
-            }
-        }
-    }
-}

src/java/com/threerings/util/signal/Linux/com_threerings_util_signal_SignalManager.c

@@ -0,0 +1 @@
+../FreeBSD/com_threerings_util_signal_SignalManager.c