mirror of https://github.com/BOINC/boinc.git
156 lines
3.9 KiB
C
156 lines
3.9 KiB
C
/** @file util.h
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*
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* Utilities common for the producer and consumer side JNI libraries
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*
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* Author: Gábor Gombás
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*/
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#ifndef UTIL_H
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#define UTIL_H
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#include "jni_proto.h"
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#ifndef __GNUC__
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#define __attribute__((x))
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#endif
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#define G_GNUC_UNUSED __attribute__((__unused__))
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#define G_GNUC_INTERNAL __attribute__((__visibility__("internal")))
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#define G_GNUC_PRINTF(x, y) __attribute((__format__(__printf__, x, y)))
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/**********************************************************************
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* Data type definitions
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*/
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/* This is used to obey strict aliasing rules and shut up gcc warnings */
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union getenvarg
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{
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JNIEnv *env;
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void *ptr;
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};
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/**********************************************************************
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* Constants
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*/
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/* Macros used for class definitions:
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*
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* CLASS_<cls> The fully qualified name of the class (using '/',
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* not '.')
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* CTOR_<cls> The signature of the class' constructor
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* SIG_<cls>_<meth> The signature of method <meth> of class <cls>
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*/
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/* Native Java classes */
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#define CLASS_ArrayList \
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"java/util/ArrayList"
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#define CTOR_ArrayList \
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"(I)V"
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#define SIG_ArrayList_add \
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"(ILjava/lang/Object;)V"
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#define CLASS_Boolean \
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"java/lang/Boolean"
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#define CTOR_Boolean \
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"(Z)V"
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#define SIG_Boolean_booleanValue \
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"()Z"
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#define SIG_Class_getName \
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"()Ljava/lang/String;"
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#define CLASS_ClassNotFoundException \
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"java/lang/ClassNotFoundException"
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#define CLASS_Double \
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"java/lang/Double"
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#define CTOR_Double \
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"(D)V"
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#define SIG_Double_doubleValue \
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"()D"
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#define CLASS_IllegalArgumentException \
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"java/lang/IllegalArgumentException"
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#define CLASS_Integer \
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"java/lang/Integer"
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#define CTOR_Integer \
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"(I)V"
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#define SIG_Integer_intValue \
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"()I"
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#define CLASS_Long \
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"java/lang/Long"
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#define CTOR_Long \
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"(J)V"
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#define SIG_Long_longValue \
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"()J"
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#define CLASS_NullPointerException \
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"java/lang/NullPointerException"
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#define CLASS_System \
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"java/lang/System"
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#define SIG_System_getProperty \
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"(Ljava/lang/String;)Ljava/lang/String;"
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/* Classes defined in package hu.sztaki.lpds.dc */
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#define CLASS_ClientEvent \
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"hu/sztaki/lpds/dc/client/Event"
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#define CTOR_ClientEvent \
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"(JI)V"
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#define CLASS_ClientVersion \
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"hu/sztaki/lpds/dc/client/Version"
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#define SIG_ClientVersion_getVersion \
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"()Ljava/lang/String;"
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#define CLASS_DCException \
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"hu/sztaki/lpds/dc/DCException"
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#define CTOR_DCException \
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"(ILjava/lang/String;)V"
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#define CLASS_RuntimeDCException \
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"hu/sztaki/lpds/dc/RuntimeDCException"
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#define CTOR_RuntimeDCException \
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"(Ljava/lang/String;Ljava/lang/Throwable;)V"
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/* Debugging classes */
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#define DBG_CONN (1 << 0)
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#define DBG_EVENT (1 << 1)
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#define DBG_EXCEPTION (1 << 2)
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/**********************************************************************
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* Macros
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*/
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#define RETURN_IF_EXCEPTION(env, x) do {\
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if ((*(env))->ExceptionCheck(env)) \
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return (x); \
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} while (0)
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#define GET_CTOR(env, name, cls, meth) \
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get_constructor(env, CLASS_ ## name, CTOR_ ## name, cls, meth)
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#define GET_METH(env, cls, clsname, methname) \
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get_method_id(env, cls, G_STRINGIFY(methname), \
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SIG_ ## clsname ## _ ## methname)
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/**********************************************************************
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* Prototypes
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*/
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void propagate_runtime(JNIEnv *env, const char *fmt, ...)
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G_GNUC_PRINTF(2, 3) G_GNUC_INTERNAL;
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void throw_exc(JNIEnv *env, const char *classname, const char *fmt, ...)
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G_GNUC_PRINTF(3, 4) G_GNUC_INTERNAL;
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void throw_dcexc(JNIEnv *env, int code, const char *fmt, ...)
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G_GNUC_PRINTF(3, 4) G_GNUC_INTERNAL;
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jclass find_class(JNIEnv *env, const char *classname) G_GNUC_INTERNAL;
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int get_constructor(JNIEnv *env, const char *class, const char *args,
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jclass *cls, jmethodID *meth) G_GNUC_INTERNAL;
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jmethodID get_method_id(JNIEnv *env, jclass cls, const char *methodname,
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const char *signature) G_GNUC_INTERNAL;
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int parse_debug_options(JNIEnv *env) G_GNUC_INTERNAL;
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/**********************************************************************
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* Global variables
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*/
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extern unsigned jni_debug G_GNUC_INTERNAL;
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#endif /* UTIL_H */
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