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Text File  |  1991-12-11  |  8.1 KB  |  249 lines
  1. ************** 68020_swtch.s ****************
  2. -------------------------------------
  3. ************** Makefile ****************
  4. -------------------------------------
  5. ************** README ****************
  6. -------------------------------------
  7. ************** SLOCK.c ****************
  8. -------------------------------------
  9. ************** asmdefs.h ****************
  10. -------------------------------------
  11. ************** atack.c ****************
  12. -------------------------------------
  13. ************** atomic_int.h ****************
  14. -------------------------------------
  15. ************** c.h ****************
  16. -------------------------------------
  17. ************** callstate.C ****************
  18. -------------------------------------
  19. ************** callstate.h ****************
  20. -------------------------------------
  21. ************** config.h ****************
  22. -------------------------------------
  23. ************** debug.C ****************
  24. -------------------------------------
  25. ************** debug.h ****************
  26. -------------------------------------
  27. ************** defs.h ****************
  28. -------------------------------------
  29. ************** diffs ****************
  30. -------------------------------------
  31. ************** dynix_timer.C ****************
  32. 176a177
  33. > /*
  34. 185a187
  35. > */
  36. -------------------------------------
  37. ************** hc_slock_asm.h ****************
  38. -------------------------------------
  39. ************** i386_swtch.s ****************
  40. -------------------------------------
  41. ************** locks.C ****************
  42. -------------------------------------
  43. ************** locks.h ****************
  44. -------------------------------------
  45. ************** machdep.h ****************
  46. -------------------------------------
  47. ************** main.h ****************
  48. -------------------------------------
  49. ************** main_done.C ****************
  50. -------------------------------------
  51. ************** main_init.C ****************
  52. -------------------------------------
  53. ************** main_main.C ****************
  54. -------------------------------------
  55. ************** makelinks ****************
  56. -------------------------------------
  57. ************** makelog ****************
  58. -------------------------------------
  59. ************** mips_lock.s ****************
  60. -------------------------------------
  61. ************** mips_swtch.s ****************
  62. -------------------------------------
  63. ************** misc.C ****************
  64. -------------------------------------
  65. ************** ns32000_swtch.s ****************
  66. -------------------------------------
  67. ************** objects.C ****************
  68. -------------------------------------
  69. ************** objects.h ****************
  70. -------------------------------------
  71. ************** parallel.h ****************
  72. -------------------------------------
  73. ************** preempt.C ****************
  74. -------------------------------------
  75. ************** presto.C ****************
  76. -------------------------------------
  77. ************** presto.h ****************
  78. -------------------------------------
  79. ************** process.C ****************
  80. 118c118,119
  81. <             tlist [i] = new Thread ("prealloc", 0, DEFSTACKSIZ);
  82. ---
  83. >             tlist [i] = new Thread ("prealloc", 0,
  84. >                                                DEFSTACKSIZ);
  85. 694c695
  86. <     for (i=p_thread_freelist->length(); i > lcl_thread_freelist_thresh/2; i--)
  87. ---
  88. >     for (i=p_thread_freelist->length(); i>lcl_thread_freelist_thresh/2; i--)
  89. 697,702c698,699
  90. < 
  91. <         if (t == 0) 
  92. <     {
  93. <         break;
  94. <     }
  95. <         else if (thread_global_freelist.length() > gbl_thread_freelist_max)
  96. ---
  97. >         if (t == 0) break;
  98. >         if (thread_global_freelist.length() > gbl_thread_freelist_max)
  99. 704c701,704
  100. <             delete t;
  101. ---
  102. > //#ifdef DEBUG_STARTUP
  103. >             cout << "Global thread freelist too big, deleting thread\n";
  104. > //#endif DEBUG_STARTUP
  105. >             delete (t);
  106. 707d706
  107. <     {
  108. 709d707
  109. <     }
  110. -------------------------------------
  111. ************** process.h ****************
  112. 4,5d3
  113. < //
  114. < //
  115. 200,201c198
  116. <          t = (Thread *) new char [sizeof(Thread)];
  117. <      cout << "new() THREAD at " << (void *) t << endl;
  118. ---
  119. >          return (t = (Thread *) new char [sizeof(Thread)]);
  120. 220d216
  121. <       cout << "got thread from freelist\n"; cout.flush();
  122. 226d221
  123. <       cout << "had to alloc thread\n"; cout.flush();
  124. 239,240d233
  125. <     
  126. <     cout << form ("appended thread at 0x%x to freelist", t) << endl;
  127. 248d240
  128. <     cout << "freeing up global threads" << endl;
  129. 250,255d241
  130. <     }
  131. <     else
  132. <     {
  133. <     cout << "freelist length: " << p_thread_freelist->length() << ' '
  134. <          << "threshold: " << lcl_thread_freelist_thresh << ' '
  135. <          << "So, free threads is doing nothing" << endl;
  136. -------------------------------------
  137. ************** pstream.C ****************
  138. -------------------------------------
  139. ************** pstream.h ****************
  140. -------------------------------------
  141. ************** scheduler.C ****************
  142. -------------------------------------
  143. ************** scheduler.h ****************
  144. -------------------------------------
  145. ************** scheduler_sig.C ****************
  146. -------------------------------------
  147. ************** shbrk.c ****************
  148. -------------------------------------
  149. ************** shmalloc.c ****************
  150. -------------------------------------
  151. ************** slock_asm.h ****************
  152. -------------------------------------
  153. ************** spinlock.C ****************
  154. -------------------------------------
  155. ************** spinlock.h ****************
  156. -------------------------------------
  157. ************** spinlock_impl.h ****************
  158. -------------------------------------
  159. ************** stack.C ****************
  160. -------------------------------------
  161. ************** stack.h ****************
  162. -------------------------------------
  163. ************** swtch.s ****************
  164. -------------------------------------
  165. ************** synchro.C ****************
  166. -------------------------------------
  167. ************** synchro.h ****************
  168. -------------------------------------
  169. ************** threadq.h ****************
  170. -------------------------------------
  171. ************** threads.C ****************
  172. 5a6,11
  173. >  *      Last modified:          xx/8/91
  174. >  *      by:            pbd
  175. >  *      reason:            converted from using "assignment to this"
  176. >  *                 over to overloaded new/delete functions for
  177. >  *                thread memory management.
  178. >  *
  179. 46d51
  180. < extern "C" init_atack (void *, int *);
  181. 88,92c93
  182. < 
  183. <     cout << form("new Thread allocated at 0x%x", t) << endl;
  184. <     
  185. <     if (init_reqd)          // initialization reqd if allocated
  186. <         {                       //   instead of being reused.
  187. ---
  188. >     if (init_reqd)             // initialization reqd if allocated
  189. 94,97d94
  190. <         }
  191. <     t->t_slockcount = 0;
  192. <     t->t_callstate.init();    // intentional ctor
  193. <     t->t_expired = 0;
  194. 101a99,104
  195. > void Thread::operator delete (void *t)
  196. > {
  197. >     // no-op: threads are not managed by deletion,
  198. >     // but C++ wants us to have a delete() if we have a new().
  199. > }
  200. > 
  201. 104d106
  202. <     cout << "creating thread \"" << name << "\"" << endl;
  203. 111,126c113,115
  204. < /* This material is bogus: there is no way to tell whether or
  205. <    not this call is for a base or derived class object
  206. < 
  207. <     { 
  208. <         t_slockcount = 0;
  209. <         t_callstate.init();
  210. <         t_expired = 0;
  211. <         t_stack_size = 0;    // there is no stack yet
  212. <         }    
  213. < */
  214. < 
  215. < #ifdef DEBUG_STARTUP
  216. <     dout << form("thisthread creating thread %s (%x)\n",
  217. <         name, this);
  218. < #endif /* DEBUG_STARTUP */
  219. < 
  220. ---
  221. >     t_slockcount = 0;
  222. >     t_callstate.init();
  223. >     t_expired = 0;
  224. 236,237d224
  225. <     cout << form ("destructing thread at 0x%x", this) << endl;
  226. < 
  227. 239d225
  228. < //        this = 0;
  229. 256d241
  230. <         cout << "freeing thread" << endl;
  231. 258d242
  232. < //                this = 0;
  233. -------------------------------------
  234. ************** threads.h ****************
  235. 93,94d92
  236. < /*    virtual Thread* newthread(char* name=0, int tid = 0,    // vtl ctr
  237. <          long ssiz = DEFSTACKSIZ); */
  238. 95a94
  239. >     void operator delete(void *);
  240. -------------------------------------
  241. ************** timer.C ****************
  242. -------------------------------------
  243. ************** timer.h ****************
  244. -------------------------------------
  245. ************** unix_timer.C ****************
  246. -------------------------------------
  247. ************** vax_swtch.s ****************
  248. -------------------------------------
  249.