cpp: Use #pragma once instead of #ifndef guards
[ghc.git] / includes / rts / Signals.h
1 /* -----------------------------------------------------------------------------
2 *
3 * (c) The GHC Team, 1998-2009
4 *
5 * RTS signal handling
6 *
7 * Do not #include this file directly: #include "Rts.h" instead.
8 *
9 * To understand the structure of the RTS headers, see the wiki:
10 * http://ghc.haskell.org/trac/ghc/wiki/Commentary/SourceTree/Includes
11 *
12 * ---------------------------------------------------------------------------*/
13
14 #pragma once
15
16 /* NB. #included in Haskell code, no prototypes in here. */
17
18 /* arguments to stg_sig_install() */
19 #define STG_SIG_DFL (-1)
20 #define STG_SIG_IGN (-2)
21 #define STG_SIG_ERR (-3)
22 #define STG_SIG_HAN (-4)
23 #define STG_SIG_RST (-5)