]>
Commit | Line | Data |
---|---|---|
33574c17 | 1 | /* raise.c - Generic raise implementation. |
04277e02 | 2 | Copyright (C) 2008-2019 Free Software Foundation, Inc. |
33574c17 ST |
3 | Written by Neal H. Walfield <neal@gnu.org>. |
4 | ||
5 | This file is part of the GNU Hurd. | |
6 | ||
7 | The GNU Hurd is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public License | |
9 | as published by the Free Software Foundation; either version 3 of | |
10 | the License, or (at your option) any later version. | |
11 | ||
12 | The GNU Hurd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
18 | License along with this program. If not, see | |
19 | <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include <pthreadP.h> | |
22 | #include <signal.h> | |
23 | #include <unistd.h> | |
24 | ||
25 | #pragma weak __pthread_kill | |
26 | #pragma weak __pthread_self | |
27 | #pragma weak __pthread_threads | |
28 | int | |
29 | raise (int signo) | |
30 | { | |
31 | /* According to POSIX, if we implement threads (and we do), then | |
32 | "the effect of the raise() function shall be equivalent to | |
33 | calling: pthread_kill(pthread_self(), sig);" */ | |
34 | ||
35 | if (__pthread_kill != NULL && __pthread_threads != NULL) | |
36 | { | |
37 | int err; | |
38 | err = __pthread_kill (__pthread_self (), signo); | |
39 | if (err) | |
40 | { | |
41 | errno = err; | |
42 | return -1; | |
43 | } | |
44 | return 0; | |
45 | } | |
46 | else | |
47 | return __kill (__getpid (), signo); | |
48 | } | |
49 | ||
50 | libc_hidden_def (raise) | |
51 | weak_alias (raise, gsignal) |