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/* 
 * kmp_debug.c -- debug utilities for the Guide library 
 */ 
 
 
//===----------------------------------------------------------------------===// 
// 
//                     The LLVM Compiler Infrastructure 
// 
// This file is dual licensed under the MIT and the University of Illinois Open 
// Source Licenses. See LICENSE.txt for details. 
// 
//===----------------------------------------------------------------------===// 
 
 
#include "kmp.h" 
#include "kmp_debug.h" /* really necessary? */ 
#include "kmp_i18n.h" 
#include "kmp_io.h" 
 
#ifdef KMP_DEBUG 
void 
__kmp_debug_printf_stdout( char const * format, ... ) 
{ 
    va_list ap; 
    va_start( ap, format ); 
 
    __kmp_vprintf( kmp_out, format, ap ); 
 
    va_end(ap); 
} 
#endif 
 
void 
__kmp_debug_printf( char const * format, ... ) 
{ 
    va_list ap; 
    va_start( ap, format ); 
 
    __kmp_vprintf( kmp_err, format, ap ); 
 
    va_end( ap ); 
} 
 
#ifdef KMP_USE_ASSERT 
    int 
    __kmp_debug_assert( 
        char const *  msg, 
        char const *  file, 
        int           line 
    ) { 
 
        if ( file == NULL ) { 
            file = KMP_I18N_STR( UnknownFile ); 
        } else { 
            // Remove directories from path, leave only file name. File name is enough, there is no need 
            // in bothering developers and customers with full paths. 
            char const * slash = strrchr( file, '/' ); 
            if ( slash != NULL ) { 
                file = slash + 1; 
            }; // if 
        }; // if 
 
        #ifdef KMP_DEBUG 
            __kmp_acquire_bootstrap_lock( & __kmp_stdio_lock ); 
            __kmp_debug_printf( "Assertion failure at %s(%d): %s.\n", file, line, msg ); 
            __kmp_release_bootstrap_lock( & __kmp_stdio_lock ); 
            #ifdef USE_ASSERT_BREAK 
                #if KMP_OS_WINDOWS 
                    DebugBreak(); 
                #endif 
            #endif // USE_ASSERT_BREAK 
            #ifdef USE_ASSERT_STALL 
                /*    __kmp_infinite_loop(); */ 
                for(;;); 
            #endif // USE_ASSERT_STALL 
            #ifdef USE_ASSERT_SEG 
                { 
                    int volatile * ZERO = (int*) 0; 
                    ++ (*ZERO); 
                } 
            #endif // USE_ASSERT_SEG 
        #endif 
 
        __kmp_msg( 
            kmp_ms_fatal, 
            KMP_MSG( AssertionFailure, file, line ), 
            KMP_HNT( SubmitBugReport ), 
            __kmp_msg_null 
        ); 
 
        return 0; 
 
    } // __kmp_debug_assert 
 
#endif // KMP_USE_ASSERT 
 
/* Dump debugging buffer to stderr */ 
void 
__kmp_dump_debug_buffer( void ) 
{ 
    if ( __kmp_debug_buffer != NULL ) { 
        int i; 
        int dc = __kmp_debug_count; 
        char *db = & __kmp_debug_buffer[ (dc % __kmp_debug_buf_lines) * __kmp_debug_buf_chars ]; 
        char *db_end = & __kmp_debug_buffer[ __kmp_debug_buf_lines * __kmp_debug_buf_chars ]; 
        char *db2; 
 
        __kmp_acquire_bootstrap_lock( & __kmp_stdio_lock ); 
        __kmp_printf_no_lock( "\nStart dump of debugging buffer (entry=%d):\n", 
                 dc % __kmp_debug_buf_lines ); 
 
        for ( i = 0; i < __kmp_debug_buf_lines; i++ ) { 
 
            if ( *db != '\0' ) { 
                /* Fix up where no carriage return before string termination char */ 
                for ( db2 = db + 1; db2 < db + __kmp_debug_buf_chars - 1; db2 ++) { 
                    if ( *db2 == '\0' ) { 
                        if ( *(db2-1) != '\n' ) { *db2 = '\n'; *(db2+1) = '\0'; } 
                        break; 
                    } 
                } 
                /* Handle case at end by shortening the printed message by one char if necessary */ 
                if ( db2 == db + __kmp_debug_buf_chars - 1 && 
                     *db2 == '\0' && *(db2-1) != '\n' ) { 
                    *(db2-1) = '\n'; 
                } 
 
                __kmp_printf_no_lock( "%4d: %.*s", i, __kmp_debug_buf_chars, db ); 
                *db = '\0'; /* only let it print once! */ 
            } 
 
            db += __kmp_debug_buf_chars; 
            if ( db >= db_end ) 
                db = __kmp_debug_buffer; 
        } 
 
        __kmp_printf_no_lock( "End dump of debugging buffer (entry=%d).\n\n", 
                 ( dc+i-1 ) % __kmp_debug_buf_lines ); 
        __kmp_release_bootstrap_lock( & __kmp_stdio_lock ); 
    } 
}