source: libcfa/src/bits/debug.cfa @ 8ddedf0

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 8ddedf0 was ec72861, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago

increase buffer size for printing stack trace

  • Property mode set to 100644
File size: 2.2 KB
RevLine 
[9d944b2]1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
[c2b9f21]7// debug.c --
[9d944b2]8//
9// Author           : Thierry Delisle
10// Created On       : Thu Mar 30 12:30:01 2017
[ec72861]11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sun Jul 14 22:17:35 2019
13// Update Count     : 4
[9d944b2]14//
15
16extern "C" {
17#include <stdio.h>
18#include <stdlib.h>
19#include <string.h>
20#include <errno.h>
21#include <stdarg.h>
22#include <unistd.h>
23}
24
[ec72861]25enum { buffer_size = 4096 };
[9d944b2]26static char buffer[ buffer_size ];
27
28extern "C" {
29
[36982fc]30        void __cfaabi_dbg_bits_write( const char *in_buffer, int len ) {
[9d944b2]31                // ensure all data is written
[6a5be52]32                for ( int count = 0, retcode; count < len; count += retcode ) {
[9d944b2]33                        in_buffer += count;
34
35                        for ( ;; ) {
[6a5be52]36                                retcode = write( STDERR_FILENO, in_buffer, len - count );
[9d944b2]37
38                                // not a timer interrupt ?
[6a5be52]39                                if ( retcode != -1 || errno != EINTR ) break;
[9d944b2]40                        }
41
42                        if ( retcode == -1 ) _exit( EXIT_FAILURE );
43                }
44        }
45
[36982fc]46        void __cfaabi_dbg_bits_acquire() __attribute__((__weak__)) {}
47        void __cfaabi_dbg_bits_release() __attribute__((__weak__)) {}
[9d944b2]48
[169d944]49        void __cfaabi_dbg_bits_print_safe  ( const char fmt[], ... ) __attribute__(( format(printf, 1, 2) )) {
[9d944b2]50                va_list args;
51
52                va_start( args, fmt );
[36982fc]53                __cfaabi_dbg_bits_acquire();
[6a5be52]54
[9d944b2]55                int len = vsnprintf( buffer, buffer_size, fmt, args );
[36982fc]56                __cfaabi_dbg_bits_write( buffer, len );
[9d944b2]57
[36982fc]58                __cfaabi_dbg_bits_release();
[9d944b2]59                va_end( args );
60        }
61
[169d944]62        void __cfaabi_dbg_bits_print_nolock( const char fmt[], ... ) __attribute__(( format(printf, 1, 2) )) {
[9d944b2]63                va_list args;
64
65                va_start( args, fmt );
[6a5be52]66
[9d944b2]67                int len = vsnprintf( buffer, buffer_size, fmt, args );
[36982fc]68                __cfaabi_dbg_bits_write( buffer, len );
[9d944b2]69
70                va_end( args );
71        }
72
[36982fc]73        void __cfaabi_dbg_bits_print_vararg( const char fmt[], va_list args ) {
[9d944b2]74                int len = vsnprintf( buffer, buffer_size, fmt, args );
[36982fc]75                __cfaabi_dbg_bits_write( buffer, len );
[9d944b2]76        }
77
[169d944]78        void __cfaabi_dbg_bits_print_buffer( char in_buffer[], int in_buffer_size, const char fmt[], ... ) __attribute__(( format(printf, 3, 4) )) {
[9d944b2]79                va_list args;
80
81                va_start( args, fmt );
[6a5be52]82
[9d944b2]83                int len = vsnprintf( in_buffer, in_buffer_size, fmt, args );
[36982fc]84                __cfaabi_dbg_bits_write( in_buffer, len );
[9d944b2]85
86                va_end( args );
87        }
[169d944]88}
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