Mercurial > hg > truffle
diff src/os/linux/vm/os_linux.cpp @ 2191:d70fe6ab4436
6588413: Use -fvisibility=hidden for gcc compiles
Summary: Add option for gcc 4 and above, define JNIEXPORT and JNIIMPORT to visibility=default, add for jio_snprintf and others since -fvisibility=hidden overrides --version-script definitions.
Reviewed-by: kamg, never
author | coleenp |
---|---|
date | Tue, 01 Feb 2011 11:23:19 -0500 |
parents | 34d64ad817f4 |
children | 9cd8a2c2d584 |
line wrap: on
line diff
--- a/src/os/linux/vm/os_linux.cpp Thu Jan 27 16:11:27 2011 -0800 +++ b/src/os/linux/vm/os_linux.cpp Tue Feb 01 11:23:19 2011 -0500 @@ -2509,8 +2509,10 @@ return end; } -extern "C" void numa_warn(int number, char *where, ...) { } -extern "C" void numa_error(char *where) { } +// Something to do with the numa-aware allocator needs these symbols +extern "C" JNIEXPORT void numa_warn(int number, char *where, ...) { } +extern "C" JNIEXPORT void numa_error(char *where) { } +extern "C" JNIEXPORT int fork1() { return fork(); } // If we are running with libnuma version > 2, then we should @@ -3483,7 +3485,7 @@ // Note that the VM will print warnings if it detects conflicting signal // handlers, unless invoked with the option "-XX:+AllowUserSignalHandlers". // -extern "C" int +extern "C" JNIEXPORT int JVM_handle_linux_signal(int signo, siginfo_t* siginfo, void* ucontext, int abort_if_unrecognized); @@ -4678,44 +4680,6 @@ } } -extern "C" { - -/** - * NOTE: the following code is to keep the green threads code - * in the libjava.so happy. Once the green threads is removed, - * these code will no longer be needed. - */ -int -jdk_waitpid(pid_t pid, int* status, int options) { - return waitpid(pid, status, options); -} - -int -fork1() { - return fork(); -} - -int -jdk_sem_init(sem_t *sem, int pshared, unsigned int value) { - return sem_init(sem, pshared, value); -} - -int -jdk_sem_post(sem_t *sem) { - return sem_post(sem); -} - -int -jdk_sem_wait(sem_t *sem) { - return sem_wait(sem); -} - -int -jdk_pthread_sigmask(int how , const sigset_t* newmask, sigset_t* oldmask) { - return pthread_sigmask(how , newmask, oldmask); -} - -} // Refer to the comments in os_solaris.cpp park-unpark. //