| 1 | /* Test of <signal.h> substitute.
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| 2 | Copyright (C) 2009-2022 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation, either version 3 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | /* Written by Eric Blake <ebb9@byu.net>, 2009. */
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| 18 |
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| 19 | #include <config.h>
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| 20 |
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| 21 | #include <signal.h>
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| 22 |
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| 23 | /* Check for required types. */
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| 24 | struct
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| 25 | {
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| 26 | size_t a;
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| 27 | uid_t b;
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| 28 | volatile sig_atomic_t c;
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| 29 | sigset_t d;
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| 30 | pid_t e;
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| 31 | #if 0
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| 32 | /* Not guaranteed by gnulib. */
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| 33 | pthread_t f;
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| 34 | struct timespec g;
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| 35 | #endif
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| 36 | } s;
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| 37 |
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| 38 | /* Check that NSIG is defined. */
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| 39 | int nsig = NSIG;
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| 40 |
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| 41 | int
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| 42 | main (void)
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| 43 | {
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| 44 | switch (0)
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| 45 | {
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| 46 | /* The following are guaranteed by C. */
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| 47 | case 0:
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| 48 | case SIGABRT:
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| 49 | case SIGFPE:
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| 50 | case SIGILL:
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| 51 | case SIGINT:
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| 52 | case SIGSEGV:
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| 53 | case SIGTERM:
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| 54 | /* The following is guaranteed by gnulib. */
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| 55 | #if GNULIB_SIGPIPE || defined SIGPIPE
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| 56 | case SIGPIPE:
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| 57 | #endif
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| 58 | /* Ensure no conflict with other standardized names. */
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| 59 | #ifdef SIGALRM
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| 60 | case SIGALRM:
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| 61 | #endif
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| 62 | /* On Haiku, SIGBUS is mistakenly equal to SIGSEGV. */
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| 63 | #if defined SIGBUS && SIGBUS != SIGSEGV
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| 64 | case SIGBUS:
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| 65 | #endif
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| 66 | #ifdef SIGCHLD
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| 67 | case SIGCHLD:
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| 68 | #endif
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| 69 | #ifdef SIGCONT
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| 70 | case SIGCONT:
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| 71 | #endif
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| 72 | #ifdef SIGHUP
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| 73 | case SIGHUP:
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| 74 | #endif
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| 75 | #ifdef SIGKILL
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| 76 | case SIGKILL:
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| 77 | #endif
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| 78 | #ifdef SIGQUIT
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| 79 | case SIGQUIT:
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| 80 | #endif
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| 81 | #ifdef SIGSTOP
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| 82 | case SIGSTOP:
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| 83 | #endif
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| 84 | #ifdef SIGTSTP
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| 85 | case SIGTSTP:
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| 86 | #endif
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| 87 | #ifdef SIGTTIN
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| 88 | case SIGTTIN:
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| 89 | #endif
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| 90 | #ifdef SIGTTOU
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| 91 | case SIGTTOU:
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| 92 | #endif
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| 93 | #ifdef SIGUSR1
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| 94 | case SIGUSR1:
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| 95 | #endif
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| 96 | #ifdef SIGUSR2
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| 97 | case SIGUSR2:
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| 98 | #endif
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| 99 | #ifdef SIGSYS
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| 100 | case SIGSYS:
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| 101 | #endif
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| 102 | #ifdef SIGTRAP
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| 103 | case SIGTRAP:
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| 104 | #endif
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| 105 | #ifdef SIGURG
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| 106 | case SIGURG:
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| 107 | #endif
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| 108 | #ifdef SIGVTALRM
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| 109 | case SIGVTALRM:
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| 110 | #endif
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| 111 | #ifdef SIGXCPU
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| 112 | case SIGXCPU:
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| 113 | #endif
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| 114 | #ifdef SIGXFSZ
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| 115 | case SIGXFSZ:
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| 116 | #endif
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| 117 | /* SIGRTMIN and SIGRTMAX need not be compile-time constants. */
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| 118 | #if 0
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| 119 | # ifdef SIGRTMIN
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| 120 | case SIGRTMIN:
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| 121 | # endif
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| 122 | # ifdef SIGRTMAX
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| 123 | case SIGRTMAX:
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| 124 | # endif
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| 125 | #endif
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| 126 | ;
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| 127 | }
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| 128 | return s.a + s.b + s.c + s.e;
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| 129 | }
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