diff options
Diffstat (limited to 'libjava/prims.cc')
| -rw-r--r-- | libjava/prims.cc | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/libjava/prims.cc b/libjava/prims.cc index 8d9cc6d97d7..8208995460e 100644 --- a/libjava/prims.cc +++ b/libjava/prims.cc @@ -1,6 +1,6 @@ // prims.cc - Code for core of runtime environment. -/* Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation +/* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation This file is part of libgcj. @@ -122,11 +122,26 @@ void (*_Jv_JVMPI_Notify_THREAD_END) (JVMPI_Event *event); #endif +/* Unblock a signal. Unless we do this, the signal may only be sent + once. */ +static void +unblock_signal (int signum) +{ +#ifdef _POSIX_VERSION + sigset_t sigs; + + sigemptyset (&sigs); + sigaddset (&sigs, signum); + sigprocmask (SIG_UNBLOCK, &sigs, NULL); +#endif +} + #ifdef HANDLE_SEGV SIGNAL_HANDLER (catch_segv) { java::lang::NullPointerException *nullp = new java::lang::NullPointerException; + unblock_signal (SIGSEGV); MAKE_THROW_FRAME (nullp); throw nullp; } @@ -137,6 +152,7 @@ SIGNAL_HANDLER (catch_fpe) { java::lang::ArithmeticException *arithexception = new java::lang::ArithmeticException (JvNewStringLatin1 ("/ by zero")); + unblock_signal (SIGFPE); #ifdef HANDLE_DIVIDE_OVERFLOW HANDLE_DIVIDE_OVERFLOW; #else @@ -1137,3 +1153,21 @@ _Jv_remJ (jlong dividend, jlong divisor) return dividend % divisor; } + + + +// Return true if SELF_KLASS can access a field or method in +// OTHER_KLASS. The field or method's access flags are specified in +// FLAGS. +jboolean +_Jv_CheckAccess (jclass self_klass, jclass other_klass, jint flags) +{ + using namespace java::lang::reflect; + return ((self_klass == other_klass) + || ((flags & Modifier::PUBLIC) != 0) + || (((flags & Modifier::PROTECTED) != 0) + && other_klass->isAssignableFrom (self_klass)) + || (((flags & Modifier::PRIVATE) == 0) + && _Jv_ClassNameSamePackage (self_klass->name, + other_klass->name))); +} |