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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 );
}
}
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