Mercurial > hg > octave-kai > gnulib-hg
annotate tests/test-sigprocmask.c @ 17476:6057744acd2c default tip master
autoupdate
| author | Karl Berry <karl@freefriends.org> |
|---|---|
| date | Fri, 16 Aug 2013 06:32:22 -0700 |
| parents | e542fd46ad6f |
| children |
| rev | line source |
|---|---|
| 15362 | 1 /* Test of sigprocmask. |
|
17249
e542fd46ad6f
maint: update all copyright year number ranges
Eric Blake <eblake@redhat.com>
parents:
17247
diff
changeset
|
2 Copyright (C) 2011-2013 Free Software Foundation, Inc. |
| 15362 | 3 |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 /* Written by Bruno Haible <bruno@clisp.org>, 2011. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 #include <signal.h> | |
| 22 | |
| 23 #include "signature.h" | |
| 24 SIGNATURE_CHECK (sigprocmask, int, (int, const sigset_t *, sigset_t *)); | |
| 25 | |
| 26 #include <errno.h> | |
| 27 #include <stdio.h> | |
| 28 #include <stdlib.h> | |
| 29 #include <unistd.h> | |
| 30 | |
| 31 #include "macros.h" | |
| 32 | |
| 33 #if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__) | |
| 34 | |
| 35 static volatile int sigint_occurred; | |
| 36 | |
| 37 static void | |
| 38 sigint_handler (int sig) | |
| 39 { | |
| 40 sigint_occurred++; | |
| 41 } | |
| 42 | |
| 43 int | |
| 44 main (int argc, char *argv[]) | |
| 45 { | |
| 46 sigset_t set; | |
|
17247
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
47 pid_t pid = getpid (); |
| 15362 | 48 char command[80]; |
| 49 | |
|
17247
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
50 if (sizeof (int) < sizeof pid && 0x7fffffff < pid) |
|
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
51 { |
|
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
52 fputs ("Skipping test: pid too large\n", stderr); |
|
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
53 return 77; |
|
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
54 } |
|
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
55 |
| 15362 | 56 signal (SIGINT, sigint_handler); |
| 57 | |
| 58 sigemptyset (&set); | |
| 59 sigaddset (&set, SIGINT); | |
| 60 | |
| 61 /* Check error handling. */ | |
| 62 ASSERT (sigprocmask (1729, &set, NULL) == -1); | |
| 63 ASSERT (errno == EINVAL); | |
| 64 | |
| 65 /* Block SIGINT. */ | |
| 66 ASSERT (sigprocmask (SIG_BLOCK, &set, NULL) == 0); | |
| 67 | |
| 68 /* Request a SIGINT signal from outside. */ | |
|
17247
fe6ac936b969
sigprocmask-tests: skip test if pid is unexpectedly large
Eric Blake <eblake@redhat.com>
parents:
16201
diff
changeset
|
69 sprintf (command, "sh -c 'sleep 1; kill -%d %d' &", SIGINT, (int) pid); |
|
15385
1ba9b52b2fba
sigprocmask tests: A better way to avoid a compiler warning.
Bruno Haible <bruno@clisp.org>
parents:
15381
diff
changeset
|
70 ASSERT (system (command) == 0); |
| 15362 | 71 |
| 72 /* Wait. */ | |
| 73 sleep (2); | |
| 74 | |
| 75 /* The signal should not have arrived yet, because it is blocked. */ | |
| 76 ASSERT (sigint_occurred == 0); | |
| 77 | |
| 78 /* Unblock SIGINT. */ | |
| 79 ASSERT (sigprocmask (SIG_UNBLOCK, &set, NULL) == 0); | |
| 80 | |
| 81 /* The signal should have arrived now, because POSIX says | |
| 82 "If there are any pending unblocked signals after the call to | |
| 83 sigprocmask(), at least one of those signals shall be delivered | |
| 84 before the call to sigprocmask() returns." */ | |
| 85 ASSERT (sigint_occurred == 1); | |
| 86 | |
| 87 return 0; | |
| 88 } | |
| 89 | |
| 90 #else | |
| 91 | |
| 92 /* On native Windows, getpid() values and the arguments that are passed to | |
| 93 the (Cygwin?) 'kill' program are not necessarily related. */ | |
| 94 | |
| 95 int | |
| 96 main () | |
| 97 { | |
| 98 fputs ("Skipping test: native Windows platform\n", stderr); | |
| 99 return 77; | |
| 100 } | |
| 101 | |
| 102 #endif |