1 | /* Linuxthreads - a simple clone()-based implementation of Posix */ |
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2 | /* threads for Linux. */ |
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3 | /* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */ |
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4 | /* */ |
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5 | /* This program is free software; you can redistribute it and/or */ |
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6 | /* modify it under the terms of the GNU Library General Public License */ |
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7 | /* as published by the Free Software Foundation; either version 2 */ |
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8 | /* of the License, or (at your option) any later version. */ |
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9 | /* */ |
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10 | /* This program is distributed in the hope that it will be useful, */ |
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11 | /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
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12 | /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ |
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13 | /* GNU Library General Public License for more details. */ |
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14 | |
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15 | #include <signal.h> |
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16 | #include <kernel-features.h> |
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17 | |
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18 | /* Primitives for controlling thread execution */ |
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19 | |
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20 | static inline void restart(pthread_descr th) |
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21 | { |
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22 | /* See pthread.c */ |
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23 | #if __ASSUME_REALTIME_SIGNALS |
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24 | __pthread_restart_new(th); |
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25 | #else |
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26 | __pthread_restart(th); |
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27 | #endif |
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28 | } |
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29 | |
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30 | static inline void suspend(pthread_descr self) |
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31 | { |
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32 | /* See pthread.c */ |
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33 | #if __ASSUME_REALTIME_SIGNALS |
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34 | __pthread_wait_for_restart_signal(self); |
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35 | #else |
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36 | __pthread_suspend(self); |
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37 | #endif |
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38 | } |
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39 | |
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40 | static inline int timedsuspend(pthread_descr self, |
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41 | const struct timespec *abstime) |
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42 | { |
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43 | /* See pthread.c */ |
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44 | #if __ASSUME_REALTIME_SIGNALS |
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45 | return __pthread_timedsuspend_new(self, abstime); |
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46 | #else |
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47 | return __pthread_timedsuspend(self, abstime); |
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48 | #endif |
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49 | } |
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