Mercurial > ecos
view packages/language/c/libc/current/include/setjmp.inl @ 64:c38311975d4f ecos-sw-2000-01-28
Merge from eCos master repository on 2000-01-28-04:28:11-GMT
| author | jlarmour |
|---|---|
| date | Fri, 28 Jan 2000 04:59:39 +0000 |
| parents | 443894e2e912 |
| children | bf00f99aec69 |
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#ifndef CYGONCE_LIBC_SETJMP_INL #define CYGONCE_LIBC_SETJMP_INL //=========================================================================== // // setjmp.inl // // Inline functions for ANSI standard non-local jumps // //=========================================================================== //####COPYRIGHTBEGIN#### // // ------------------------------------------- // The contents of this file are subject to the Red Hat eCos Public License // Version 1.0 (the "License"); you may not use this file except in // compliance with the License. You may obtain a copy of the License at // http://sourceware.cygnus.com/ecos // // Software distributed under the License is distributed on an // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the // License for the specific language governing rights and limitations under // the License. // // The Original Code is eCos - Embedded Configurable Operating System, // released September 30, 1998. // // The Initial Developer of the Original Code is Red Hat. // Portions created by Red Hat are // Copyright (C) 1998, 1999, 2000 Red Hat, Inc. // All Rights Reserved. // ------------------------------------------- // //####COPYRIGHTEND#### //=========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jlarmour // Contributors: jlarmour // Date: 1998-02-13 // Purpose: // Description: Inline functions to implement ANSI standard non-local jumps as // per ANSI para 7.6 // Usage: Do not include this file, #include <setjmp.h> instead // //####DESCRIPTIONEND#### // //=========================================================================== // CONFIGURATION #include <pkgconf/libc.h> // Configuration header // Include the C library? #ifdef CYGPKG_LIBC // INCLUDES #include <cyg/infra/cyg_type.h> // Common type definitions and support #include <cyg/infra/cyg_trac.h> // Common tracing code #include <cyg/infra/cyg_ass.h> // Common assertion code #include <setjmp.h> // Header for this file, just in case #include <cyg/hal/hal_arch.h> // HAL architecture specific implementation // INLINE FUNCTIONS CYGPRI_LIBC_INLINE void longjmp( jmp_buf cyg_buf, int cyg_val) { CYG_REPORT_FUNCNAME( "longjmp" ); CYG_REPORT_FUNCARG2( "&cyg_buf=%08x, cyg_val=%d", &cyg_buf, cyg_val ); // ANSI says that if we are passed cyg_val==0, then we change it to 1 if (cyg_val == 0) ++cyg_val; // we let the HAL do the work HAL_REORDER_BARRIER(); // prevent any chance of optimisation re-ordering hal_longjmp( cyg_buf, cyg_val ); HAL_REORDER_BARRIER(); // prevent any chance of optimisation re-ordering #ifdef CYGDBG_USE_ASSERTS CYG_ASSERT( 0, "longjmp should not have reached this point!" ); #else for (;;) CYG_EMPTY_STATEMENT; #endif } // longjmp() #endif // ifdef CYGPKG_LIBC #endif // CYGONCE_LIBC_SETJMP_INL multiple inclusion protection // EOF setjmp.inl
