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d4697bc9 | 1 | /* Copyright (C) 2001-2014 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library 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 GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
2ace5721 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <errno.h> | |
19 | #include <netdb.h> | |
20 | #include <signal.h> | |
21 | #include <string.h> | |
22 | #include <unistd.h> | |
23 | ||
24 | #include <sysdep.h> | |
25 | #include <sys/syscall.h> | |
26 | ||
27 | #include "gai_misc.h" | |
28 | ||
29 | #ifdef __NR_rt_sigqueueinfo | |
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30 | |
31 | /* Return any pending signal or wait for one for the given time. */ | |
32 | int | |
33 | __gai_sigqueue (sig, val, caller_pid) | |
34 | int sig; | |
35 | const union sigval val; | |
36 | pid_t caller_pid; | |
37 | { | |
38 | siginfo_t info; | |
39 | ||
40 | /* First, clear the siginfo_t structure, so that we don't pass our | |
41 | stack content to other tasks. */ | |
42 | memset (&info, 0, sizeof (siginfo_t)); | |
43 | /* We must pass the information about the data in a siginfo_t value. */ | |
44 | info.si_signo = sig; | |
45 | info.si_code = SI_ASYNCNL; | |
46 | info.si_pid = caller_pid; | |
6293b803 | 47 | info.si_uid = __getuid (); |
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48 | info.si_value = val; |
49 | ||
70d9946a | 50 | return INLINE_SYSCALL (rt_sigqueueinfo, 3, info.si_pid, sig, &info); |
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51 | } |
52 | #else | |
2826ac7e | 53 | # include <resolv/gai_sigqueue.c> |
2ace5721 | 54 | #endif |