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Give compiler hint about inline functions

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Motivation:

Some of the methods are frequently called and so should be inlined if possible.

Modifications:

Give the compiler a hint that we want to inline these methods.

Result:

Better performance if inlined.
This commit is contained in:
Norman Maurer 2015-02-05 12:58:34 +01:00
parent f762b4bb68
commit 7a3d91f43d
1 changed files with 18 additions and 19 deletions
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37
transport-native-epoll/src/main/c/io_netty_channel_epoll_Native.c
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@ -89,25 +89,25 @@ static int socketType;
static const char* ip4prefix = "::ffff:";
// util methods
void throwRuntimeException(JNIEnv* env, char* message) {
static inline void throwRuntimeException(JNIEnv* env, char* message) {
(*env)->ThrowNew(env, runtimeExceptionClass, message);
}
void throwIOException(JNIEnv* env, char* message) {
static inline void throwIOException(JNIEnv* env, char* message) {
(*env)->ThrowNew(env, ioExceptionClass, message);
}
void throwClosedChannelException(JNIEnv* env) {
static inline void throwClosedChannelException(JNIEnv* env) {
jobject exception = (*env)->NewObject(env, closedChannelExceptionClass, closedChannelExceptionMethodId);
(*env)->Throw(env, exception);
}
void throwOutOfMemoryError(JNIEnv* env) {
static inline void throwOutOfMemoryError(JNIEnv* env) {
jclass exceptionClass = (*env)->FindClass(env, "java/lang/OutOfMemoryError");
(*env)->ThrowNew(env, exceptionClass, "");
}
char* exceptionMessage(char* msg, int error) {
static inline char* exceptionMessage(char* msg, int error) {
char* err = strerror(error);
char* result = malloc(strlen(msg) + strlen(err) + 1);
strcpy(result, msg);
@ -115,9 +115,8 @@ char* exceptionMessage(char* msg, int error) {
return result;
}
jint epollCtl(JNIEnv* env, jint efd, int op, jint fd, jint flags) {
static inline jint epollCtl(JNIEnv* env, jint efd, int op, jint fd, jint flags) {
uint32_t events = flags;
struct epoll_event ev = {
.data.fd = fd,
.events = events
@ -126,7 +125,7 @@ jint epollCtl(JNIEnv* env, jint efd, int op, jint fd, jint flags) {
return epoll_ctl(efd, op, fd, &ev);
}
jint getOption(JNIEnv* env, jint fd, int level, int optname, void* optval, socklen_t optlen) {
static inline jint getOption(JNIEnv* env, jint fd, int level, int optname, void* optval, socklen_t optlen) {
int code;
code = getsockopt(fd, level, optname, optval, &optlen);
if (code == 0) {
@ -137,7 +136,7 @@ jint getOption(JNIEnv* env, jint fd, int level, int optname, void* optval, sockl
return code;
}
int setOption(JNIEnv* env, jint fd, int level, int optname, const void* optval, socklen_t len) {
static inline int setOption(JNIEnv* env, jint fd, int level, int optname, const void* optval, socklen_t len) {
int rc = setsockopt(fd, level, optname, optval, len);
if (rc < 0) {
int err = errno;
@ -174,7 +173,7 @@ jobject createInetSocketAddress(JNIEnv* env, struct sockaddr_storage addr) {
return socketAddr;
}
jbyteArray createInetSocketAddressArray(JNIEnv* env, struct sockaddr_storage addr) {
static jbyteArray createInetSocketAddressArray(JNIEnv* env, struct sockaddr_storage addr) {
int port;
if (addr.ss_family == AF_INET) {
struct sockaddr_in* s = (struct sockaddr_in*) &addr;
@ -236,7 +235,7 @@ jbyteArray createInetSocketAddressArray(JNIEnv* env, struct sockaddr_storage add
}
}
jobject createDatagramSocketAddress(JNIEnv* env, struct sockaddr_storage addr, int len) {
static jobject createDatagramSocketAddress(JNIEnv* env, struct sockaddr_storage addr, int len) {
char ipstr[INET6_ADDRSTRLEN];
int port;
jstring ipString;
@ -265,7 +264,7 @@ jobject createDatagramSocketAddress(JNIEnv* env, struct sockaddr_storage addr, i
return socketAddr;
}
int init_sockaddr(JNIEnv* env, jbyteArray address, jint scopeId, jint jport, struct sockaddr_storage* addr) {
static int init_sockaddr(JNIEnv* env, jbyteArray address, jint scopeId, jint jport, struct sockaddr_storage* addr) {
uint16_t port = htons((uint16_t) jport);
// Use GetPrimitiveArrayCritical and ReleasePrimitiveArrayCritical to signal the VM that we really would like
// to not do a memory copy here. This is ok as we not do any blocking action here anyway.
@ -308,7 +307,7 @@ static int socket_type() {
}
}
int init_in_addr(JNIEnv* env, jbyteArray address, struct in_addr* addr) {
static int init_in_addr(JNIEnv* env, jbyteArray address, struct in_addr* addr) {
// Use GetPrimitiveArrayCritical and ReleasePrimitiveArrayCritical to signal the VM that we really would like
// to not do a memory copy here. This is ok as we not do any blocking action here anyway.
// This is important as the VM may suspend GC for the time!
@ -667,7 +666,7 @@ JNIEXPORT void JNICALL Java_io_netty_channel_epoll_Native_epollCtlDel(JNIEnv* en
}
}
jint _write(JNIEnv* env, jclass clazz, jint fd, void* buffer, jint pos, jint limit) {
static inline jint _write(JNIEnv* env, jclass clazz, jint fd, void* buffer, jint pos, jint limit) {
ssize_t res;
int err;
do {
@ -694,7 +693,7 @@ JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_writeAddress0(JNIEnv*
return _write(env, clazz, fd, (void*) address, pos, limit);
}
jint _sendTo(JNIEnv* env, jint fd, void* buffer, jint pos, jint limit ,jbyteArray address, jint scopeId, jint port) {
static inline jint _sendTo(JNIEnv* env, jint fd, void* buffer, jint pos, jint limit ,jbyteArray address, jint scopeId, jint port) {
struct sockaddr_storage addr;
if (init_sockaddr(env, address, scopeId, port, &addr) == -1) {
return -1;
@ -790,7 +789,7 @@ JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_sendmmsg0(JNIEnv* env,
return (jint) res;
}
jobject recvFrom0(JNIEnv* env, jint fd, void* buffer, jint pos, jint limit) {
static inline jobject recvFrom0(JNIEnv* env, jint fd, void* buffer, jint pos, jint limit) {
struct sockaddr_storage addr;
socklen_t addrlen = sizeof(addr);
ssize_t res;
@ -831,7 +830,7 @@ JNIEXPORT jobject JNICALL Java_io_netty_channel_epoll_Native_recvFromAddress(JNI
return recvFrom0(env, fd, (void*) address, pos, limit);
}
jlong _writev(JNIEnv* env, jclass clazz, jint fd, struct iovec* iov, jint length) {
static inline jlong _writev(JNIEnv* env, jclass clazz, jint fd, struct iovec* iov, jint length) {
ssize_t res;
int err;
do {
@ -891,7 +890,7 @@ JNIEXPORT jlong JNICALL Java_io_netty_channel_epoll_Native_writevAddresses0(JNIE
return _writev(env, clazz, fd, iov, length);
}
jint _read(JNIEnv* env, jclass clazz, jint fd, void* buffer, jint pos, jint limit) {
static inline jint _read(JNIEnv* env, jclass clazz, jint fd, void* buffer, jint pos, jint limit) {
ssize_t res;
int err;
do {
@ -940,7 +939,7 @@ JNIEXPORT jint JNICALL Java_io_netty_channel_epoll_Native_shutdown0(JNIEnv* env,
return 0;
}
jint socket0(JNIEnv* env, jclass clazz, int type) {
static inline jint socket0(JNIEnv* env, jclass clazz, int type) {
// TODO: Maybe also respect -Djava.net.preferIPv4Stack=true
int fd = socket(socketType, type | SOCK_NONBLOCK, 0);
if (fd == -1) {