Mercurial > cpython-lru_cache-weakref

annotate Python/thread_foobar.h @ 58707:76cf60e2d005 legacy-trunk

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normalize exceptions passed to the __exit__ method #7853 In Python 2.x, exceptions in finally blocks are not normalized. Since with statements are implemented using finally blocks, ceval.c had to be tweaked to distinguish between with finally blocks and normal ones. A test for the finalization of generators containing with statements was also added.
author Benjamin Peterson <benjamin@python.org>
date Fri, 05 Feb 2010 02:12:14 +0000
parents 8b116a8449bd
children e38335d4df91 df5719c298db
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1
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2 /*
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3 * Initialization.
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4 */
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5 static void
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6 PyThread__init_thread(void)
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7 {
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8 }
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9
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10 /*
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11 * Thread support.
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12 */
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13 long
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14 PyThread_start_new_thread(void (*func)(void *), void *arg)
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15 {
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16 int success = 0; /* init not needed when SOLARIS_THREADS and */
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17 /* C_THREADS implemented properly */
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18
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19 dprintf(("PyThread_start_new_thread called\n"));
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20 if (!initialized)
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21 PyThread_init_thread();
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22 return success < 0 ? -1 : 0;
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23 }
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26 PyThread_get_thread_ident(void)
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27 {
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28 if (!initialized)
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29 PyThread_init_thread();
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30 }
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32 static
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33 void do_PyThread_exit_thread(int no_cleanup)
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34 {
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35 dprintf(("PyThread_exit_thread called\n"));
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36 if (!initialized)
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37 if (no_cleanup)
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38 _exit(0);
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39 else
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40 exit(0);
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41 }
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43 void
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44 PyThread_exit_thread(void)
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45 {
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46 do_PyThread_exit_thread(0);
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49 void
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50 PyThread__exit_thread(void)
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51 {
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52 do_PyThread_exit_thread(1);
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53 }
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55 #ifndef NO_EXIT_PROG
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56 static
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57 void do_PyThread_exit_prog(int status, int no_cleanup)
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59 dprintf(("PyThread_exit_prog(%d) called\n", status));
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60 if (!initialized)
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61 if (no_cleanup)
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62 _exit(status);
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63 else
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64 exit(status);
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65 }
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67 void
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68 PyThread_exit_prog(int status)
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69 {
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70 do_PyThread_exit_prog(status, 0);
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74 PyThread__exit_prog(int status)
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75 {
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76 do_PyThread_exit_prog(status, 1);
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77 }
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78 #endif /* NO_EXIT_PROG */
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80 /*
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81 * Lock support.
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82 */
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83 PyThread_type_lock
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84 PyThread_allocate_lock(void)
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85 {
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86
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87 dprintf(("PyThread_allocate_lock called\n"));
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88 if (!initialized)
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89 PyThread_init_thread();
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90
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91 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
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92 return (PyThread_type_lock) lock;
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93 }
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95 void
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96 PyThread_free_lock(PyThread_type_lock lock)
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97 {
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98 dprintf(("PyThread_free_lock(%p) called\n", lock));
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101 int
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102 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
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103 {
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104 int success;
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106 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
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107 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
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108 return success;
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109 }
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111 void
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112 PyThread_release_lock(PyThread_type_lock lock)
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113 {
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114 dprintf(("PyThread_release_lock(%p) called\n", lock));
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115 }