spielwiese
Last change
on this file since 54b24c was
54b24c,
checked in by Reimer Behrends <behrends@…>, 5 years ago
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Finalizing thread support.
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-
Property mode set to
100644
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File size:
993 bytes
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1 | #include "threadconf.h" |
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2 | #ifdef ENABLE_THREADS |
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3 | #include <factory/prelude.h> |
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4 | #endif |
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5 | #include <list> |
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6 | #include <vector> |
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7 | |
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8 | #include <cstring> |
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9 | #include <stdio.h> |
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10 | #include <stdlib.h> |
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11 | #include <unistd.h> |
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12 | #include <sys/mman.h> |
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13 | |
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14 | #include "thread.h" |
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15 | #include "singthreads.h" |
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16 | |
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17 | using namespace std; |
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18 | |
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19 | pthread_t no_thread; |
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20 | |
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21 | void ThreadError(const char *message) { |
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22 | fprintf(stderr, "FATAL ERROR: %s\n", message); |
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23 | abort(); // should not happen |
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24 | } |
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25 | |
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26 | void Semaphore::wait() { |
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27 | lock.lock(); |
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28 | waiting++; |
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29 | while (count == 0) |
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30 | cond.wait(); |
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31 | waiting--; |
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32 | count--; |
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33 | lock.unlock(); |
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34 | } |
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35 | |
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36 | void Semaphore::post() { |
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37 | lock.lock(); |
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38 | if (count++ == 0 && waiting) |
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39 | cond.signal(); |
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40 | lock.unlock(); |
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41 | } |
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42 | |
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43 | namespace LibThread { |
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44 | template <typename T> |
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45 | T *shared_alloc(size_t n) { |
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46 | T *p = (T *) malloc(n * sizeof(T)); |
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47 | return p; |
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48 | } |
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49 | template <typename T> |
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50 | T *shared_alloc0(size_t n) { |
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51 | T *p = (T *) calloc(n, sizeof(T)); |
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52 | return p; |
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53 | } |
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54 | template <typename T> |
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55 | void shared_free(T *p) { |
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56 | free(p); |
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57 | } |
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58 | } |
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