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authoraph <aph@138bc75d-0d04-0410-961f-82ee72b054a4>2003-08-20 14:32:16 +0000
committeraph <aph@138bc75d-0d04-0410-961f-82ee72b054a4>2003-08-20 14:32:16 +0000
commitab79053868e99d47cf38fc1c8b2f3aa7a0396452 (patch)
tree0f0961327cbca972ac26d251678fc862ba6d927a /libjava/prims.cc
parent79bdd5ffbdff5ef603a8d4ddac847c6cf0784592 (diff)
downloadgcc-ab79053868e99d47cf38fc1c8b2f3aa7a0396452.tar.gz
2003-08-19 Andrew Haley <aph@redhat.com>
* prims.cc (unblock_signal): New function. (SIGNAL_HANDLER): Use it. (SIGNAL_HANDLER): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@70598 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/prims.cc')
-rw-r--r--libjava/prims.cc16
1 files changed, 16 insertions, 0 deletions
diff --git a/libjava/prims.cc b/libjava/prims.cc
index 9f8477334da..8208995460e 100644
--- a/libjava/prims.cc
+++ b/libjava/prims.cc
@@ -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