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-rw-r--r--src/backend/utils/init/miscinit.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/utils/init/miscinit.c b/src/backend/utils/init/miscinit.c
index 59532bbd80d..7eb7fe87f68 100644
--- a/src/backend/utils/init/miscinit.c
+++ b/src/backend/utils/init/miscinit.c
@@ -163,6 +163,14 @@ InitPostmasterChild(void)
/* Request a signal if the postmaster dies, if possible. */
PostmasterDeathSignalInit();
+
+ /* Don't give the pipe to subprograms that we execute. */
+#ifndef WIN32
+ if (fcntl(postmaster_alive_fds[POSTMASTER_FD_WATCH], F_SETFD, FD_CLOEXEC) < 0)
+ ereport(FATAL,
+ (errcode_for_socket_access(),
+ errmsg_internal("could not set postmaster death monitoring pipe to FD_CLOEXEC mode: %m")));
+#endif
}
/*