1 /* Copyright (C) 2005-2022 Free Software Foundation, Inc. 2 Contributed by Richard Henderson <rth@redhat.com>. 3 4 This file is part of the GNU Offloading and Multi Processing Library 5 (libgomp). 6 7 Libgomp is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 more details. 16 17 Under Section 7 of GPL version 3, you are granted additional 18 permissions described in the GCC Runtime Library Exception, version 19 3.1, as published by the Free Software Foundation. 20 21 You should have received a copy of the GNU General Public License and 22 a copy of the GCC Runtime Library Exception along with this program; 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 <http://www.gnu.org/licenses/>. */ 25 26 /* This file contains routines used to signal errors. Most places in the 27 OpenMP API do not make any provision for failure, so we can't just 28 defer the decision on reporting the problem to the user; we must do it 29 ourselves or not at all. */ 30 /* ??? Is this about what other implementations do? Assume stderr hasn't 31 been pointed somewhere unsafe? */ 32 33 #include "libgomp.h" 34 #include <stdarg.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 38 39 #undef gomp_vdebug 40 void 41 gomp_vdebug (int kind __attribute__ ((unused)), const char *msg, va_list list) 42 { 43 if (gomp_debug_var) 44 vfprintf (stderr, msg, list); 45 } 46 47 #undef gomp_debug 48 void 49 gomp_debug (int kind, const char *msg, ...) 50 { 51 va_list list; 52 53 va_start (list, msg); 54 gomp_vdebug (kind, msg, list); 55 va_end (list); 56 } 57 58 void 59 gomp_verror (const char *fmt, va_list list) 60 { 61 fputs ("\nlibgomp: ", stderr); 62 vfprintf (stderr, fmt, list); 63 fputc ('\n', stderr); 64 } 65 66 void 67 gomp_error (const char *fmt, ...) 68 { 69 va_list list; 70 71 va_start (list, fmt); 72 gomp_verror (fmt, list); 73 va_end (list); 74 } 75 76 void 77 gomp_vfatal (const char *fmt, va_list list) 78 { 79 gomp_verror (fmt, list); 80 exit (EXIT_FAILURE); 81 } 82 83 void 84 gomp_fatal (const char *fmt, ...) 85 { 86 va_list list; 87 88 va_start (list, fmt); 89 gomp_vfatal (fmt, list); 90 va_end (list); 91 } 92 93 void 94 GOMP_warning (const char *msg, size_t msglen) 95 { 96 if (msg && msglen == (size_t) -1) 97 gomp_error ("error directive encountered: %s", msg); 98 else if (msg) 99 { 100 fputs ("\nlibgomp: error directive encountered: ", stderr); 101 fwrite (msg, 1, msglen, stderr); 102 fputc ('\n', stderr); 103 } 104 else 105 gomp_error ("error directive encountered"); 106 } 107 108 void 109 GOMP_error (const char *msg, size_t msglen) 110 { 111 if (msg && msglen == (size_t) -1) 112 gomp_fatal ("fatal error: error directive encountered: %s", msg); 113 else if (msg) 114 { 115 fputs ("\nlibgomp: fatal error: error directive encountered: ", stderr); 116 fwrite (msg, 1, msglen, stderr); 117 fputc ('\n', stderr); 118 exit (EXIT_FAILURE); 119 } 120 else 121 gomp_fatal ("fatal error: error directive encountered"); 122 } 123