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-rw-r--r--src/backend/tcop/postgres.c3
-rw-r--r--src/include/libpq/pqsignal.h3
2 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index 884748c9b12..f2e892374b0 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.577 2009/12/16 22:55:33 petere Exp $
+ * $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.578 2009/12/16 23:05:00 petere Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@@ -2538,6 +2538,7 @@ drop_unnamed_stmt(void)
void
quickdie(SIGNAL_ARGS)
{
+ sigaddset(&BlockSig, SIGQUIT); /* prevent nested calls */
PG_SETMASK(&BlockSig);
/*
diff --git a/src/include/libpq/pqsignal.h b/src/include/libpq/pqsignal.h
index 6061898b36b..90237f947a4 100644
--- a/src/include/libpq/pqsignal.h
+++ b/src/include/libpq/pqsignal.h
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/libpq/pqsignal.h,v 1.35 2009/12/16 22:55:34 petere Exp $
+ * $PostgreSQL: pgsql/src/include/libpq/pqsignal.h,v 1.36 2009/12/16 23:05:00 petere Exp $
*
* NOTES
* This shouldn't be in libpq, but the monitor and some other
@@ -38,6 +38,7 @@ extern int UnBlockSig,
int pqsigsetmask(int mask);
#endif
+#define sigaddset(set, signum) (*(set) |= (sigmask(signum)))
#define sigdelset(set, signum) (*(set) &= ~(sigmask(signum)))
#endif /* not HAVE_SIGPROCMASK */