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b168057a | 1 | /* Copyright (C) 2010-2015 Free Software Foundation, Inc. |
321029f1 AJ |
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 | |
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. | |
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 | |
12 | Lesser General Public License for more details. | |
13 | ||
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 <sys/msg.h> | |
20 | #include <ipc_priv.h> | |
21 | ||
22 | #include <sysdep-cancel.h> | |
23 | #include <sys/syscall.h> | |
24 | ||
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25 | ssize_t |
26 | __libc_msgrcv (msqid, msgp, msgsz, msgtyp, msgflg) | |
27 | int msqid; | |
28 | void *msgp; | |
29 | size_t msgsz; | |
30 | long int msgtyp; | |
31 | int msgflg; | |
32 | { | |
33 | if (SINGLE_THREAD_P) | |
34 | return INLINE_SYSCALL (ipc, 6, IPCOP_msgrcv, msqid, msgsz, msgflg, | |
a2da1673 | 35 | msgp, msgtyp); |
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36 | |
37 | int oldtype = LIBC_CANCEL_ASYNC (); | |
38 | ||
39 | ssize_t result = INLINE_SYSCALL (ipc, 6, IPCOP_msgrcv, msqid, msgsz, msgflg, | |
a2da1673 | 40 | msgp, msgtyp); |
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41 | |
42 | LIBC_CANCEL_RESET (oldtype); | |
43 | ||
44 | return result; | |
45 | } | |
46 | weak_alias (__libc_msgrcv, msgrcv) |