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e0db6517 | 1 | /* Call to terminate the current thread. Linux version. |
f7a9f785 | 2 | Copyright (C) 2014-2016 Free Software Foundation, Inc. |
e0db6517 RM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <sysdep.h> | |
20 | ||
21 | /* This causes the current thread to exit, without affecting other | |
22 | threads in the process if there are any. If there are no other | |
23 | threads left, then this has the effect of _exit (0). */ | |
24 | ||
25 | static inline void __attribute__ ((noreturn, always_inline, unused)) | |
26 | __exit_thread (void) | |
27 | { | |
28 | /* Doing this in a loop is mostly just to satisfy the compiler that the | |
29 | function really qualifies as noreturn. It also means that in some | |
30 | pathological situation where the system call does not get made or does | |
31 | not work, the thread will simply spin rather than running off the end | |
32 | of the caller and doing unexpectedly strange things. */ | |
33 | while (1) | |
34 | { | |
35 | INTERNAL_SYSCALL_DECL (err); | |
36 | INTERNAL_SYSCALL (exit, err, 1, 0); | |
37 | } | |
38 | } |