xref: /netbsd-src/external/gpl3/gcc/dist/libgomp/error.c (revision b1e838363e3c6fc78a55519254d99869742dd33c)
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
gomp_vdebug(int kind,const char * msg,va_list list)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
gomp_debug(int kind,const char * msg,...)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
gomp_verror(const char * fmt,va_list list)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
gomp_error(const char * fmt,...)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
gomp_vfatal(const char * fmt,va_list list)77 gomp_vfatal (const char *fmt, va_list list)
78 {
79   gomp_verror (fmt, list);
80   exit (EXIT_FAILURE);
81 }
82 
83 void
gomp_fatal(const char * fmt,...)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
GOMP_warning(const char * msg,size_t msglen)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
GOMP_error(const char * msg,size_t msglen)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