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688903eb | 1 | /* Copyright (C) 1997-2018 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. |
cbdee279 | 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 <aio.h> | |
0dee6738 | 19 | #include <errno.h> |
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20 | #include <signal.h> |
21 | #include <unistd.h> | |
e645ed3a | 22 | #include <string.h> |
cbdee279 | 23 | |
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24 | #include <sysdep.h> |
25 | #include <sys/syscall.h> | |
26 | ||
8f480b4b | 27 | #include <aio_misc.h> |
cbdee279 | 28 | |
655b26bb | 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 | |
bd2260a2 | 33 | __aio_sigqueue (int sig, const union sigval val, pid_t caller_pid) |
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34 | { |
35 | siginfo_t info; | |
36 | ||
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37 | /* First, clear the siginfo_t structure, so that we don't pass our |
38 | stack content to other tasks. */ | |
39 | memset (&info, 0, sizeof (siginfo_t)); | |
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40 | /* We must pass the information about the data in a siginfo_t value. */ |
41 | info.si_signo = sig; | |
cbdee279 | 42 | info.si_code = SI_ASYNCIO; |
3a9eb648 | 43 | info.si_pid = caller_pid; |
a53bad16 | 44 | info.si_uid = getuid (); |
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45 | info.si_value = val; |
46 | ||
e5dee2c8 | 47 | return INLINE_SYSCALL (rt_sigqueueinfo, 3, info.si_pid, sig, &info); |
cbdee279 | 48 | } |
655b26bb | 49 | #else |
2826ac7e | 50 | # include <rt/aio_sigqueue.c> |
655b26bb | 51 | #endif |