From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/etc/xerpop.x | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 sys/etc/xerpop.x (limited to 'sys/etc/xerpop.x') diff --git a/sys/etc/xerpop.x b/sys/etc/xerpop.x new file mode 100644 index 00000000..a4723508 --- /dev/null +++ b/sys/etc/xerpop.x @@ -0,0 +1,55 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include + +# XERPSH -- Push an error handler on the error "stack". All we really need +# do is keep track of the number of nested handlers. If an error condition +# already exists when we are called, an error has occurred which was not +# caught, probably because of a missing errchk declaration. + +procedure xerpsh() + +include "error.com" + +begin + if (xerflg) # error not caught + call erract (EA_FATAL) + nhandlers = nhandlers + 1 + xercod = OK +end + + +# XERPOP -- Pop an error handler, and return the error status flag (true if +# an error occurred). + +bool procedure xerpop() + +bool error_status +include "error.com" + +begin + nhandlers = nhandlers - 1 + error_status = xerflg + xerflg = false + + return (error_status) +end + + +# XERPOPI -- Integer version of XERPOP. + +int procedure xerpopi() + +bool error_status +include "error.com" + +begin + nhandlers = nhandlers - 1 + error_status = xerflg + xerflg = false + + if (error_status) + return (1) + else + return (0) +end -- cgit