Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 2 | #include <mach/cthreads.h> |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 3 | |
| 4 | |
| 5 | /* |
| 6 | * Initialization. |
| 7 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 8 | static void |
| 9 | PyThread__init_thread(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 10 | { |
| 11 | cthread_init(); |
| 12 | } |
| 13 | |
| 14 | /* |
| 15 | * Thread support. |
| 16 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 17 | int |
Guido van Rossum | 128bcf4 | 2000-11-13 19:45:45 +0000 | [diff] [blame^] | 18 | PyThread_start_new_thread(void (*func)(void *), void *arg) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 19 | { |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 20 | int success = 0; /* init not needed when SOLARIS_THREADS and */ |
| 21 | /* C_THREADS implemented properly */ |
| 22 | |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 23 | dprintf(("PyThread_start_new_thread called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 24 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 25 | PyThread_init_thread(); |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 26 | /* looks like solaris detaches the thread to never rejoin |
| 27 | * so well do it here |
| 28 | */ |
| 29 | cthread_detach(cthread_fork((cthread_fn_t) func, arg)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 30 | return success < 0 ? 0 : 1; |
| 31 | } |
| 32 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 33 | long |
| 34 | PyThread_get_thread_ident(void) |
Guido van Rossum | e944da8 | 1994-05-23 12:43:41 +0000 | [diff] [blame] | 35 | { |
| 36 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 37 | PyThread_init_thread(); |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 38 | return (long) cthread_self(); |
Guido van Rossum | e944da8 | 1994-05-23 12:43:41 +0000 | [diff] [blame] | 39 | } |
| 40 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 41 | static void |
| 42 | do_PyThread_exit_thread(int no_cleanup) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 43 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 44 | dprintf(("PyThread_exit_thread called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 45 | if (!initialized) |
| 46 | if (no_cleanup) |
| 47 | _exit(0); |
| 48 | else |
| 49 | exit(0); |
| 50 | cthread_exit(0); |
| 51 | } |
| 52 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 53 | void |
| 54 | PyThread_exit_thread(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 55 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 56 | do_PyThread_exit_thread(0); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 57 | } |
| 58 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 59 | void |
| 60 | PyThread__exit_thread(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 61 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 62 | do_PyThread_exit_thread(1); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | #ifndef NO_EXIT_PROG |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 66 | static |
| 67 | void do_PyThread_exit_prog(int status, int no_cleanup) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 68 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 69 | dprintf(("PyThread_exit_prog(%d) called\n", status)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 70 | if (!initialized) |
| 71 | if (no_cleanup) |
| 72 | _exit(status); |
| 73 | else |
| 74 | exit(status); |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 75 | if (no_cleanup) |
| 76 | _exit(status); |
| 77 | else |
| 78 | exit(status); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 79 | } |
| 80 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 81 | void |
| 82 | PyThread_exit_prog(int status) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 83 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 84 | do_PyThread_exit_prog(status, 0); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 85 | } |
| 86 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 87 | void |
| 88 | PyThread__exit_prog(int status) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 89 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 90 | do_PyThread_exit_prog(status, 1); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 91 | } |
| 92 | #endif /* NO_EXIT_PROG */ |
| 93 | |
| 94 | /* |
| 95 | * Lock support. |
| 96 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 97 | PyThread_type_lock |
| 98 | PyThread_allocate_lock(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 99 | { |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 100 | mutex_t lock; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 101 | |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 102 | dprintf(("PyThread_allocate_lock called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 103 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 104 | PyThread_init_thread(); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 105 | |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 106 | lock = mutex_alloc(); |
| 107 | if (mutex_init(lock)) { |
| 108 | perror("mutex_init"); |
| 109 | free((void *) lock); |
| 110 | lock = 0; |
| 111 | } |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 112 | dprintf(("PyThread_allocate_lock() -> %p\n", lock)); |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 113 | return (PyThread_type_lock) lock; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 114 | } |
| 115 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 116 | void |
| 117 | PyThread_free_lock(PyThread_type_lock lock) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 118 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 119 | dprintf(("PyThread_free_lock(%p) called\n", lock)); |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 120 | mutex_free(lock); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 121 | } |
| 122 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 123 | int |
| 124 | PyThread_acquire_lock(PyThread_type_lock lock, int waitflag) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 125 | { |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 126 | int success = FALSE; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 127 | |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 128 | dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag)); |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 129 | if (waitflag) { /* blocking */ |
| 130 | mutex_lock(lock); |
| 131 | success = TRUE; |
| 132 | } else { /* non blocking */ |
| 133 | success = mutex_try_lock(lock); |
| 134 | } |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 135 | dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 136 | return success; |
| 137 | } |
| 138 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 139 | void |
| 140 | PyThread_release_lock(PyThread_type_lock lock) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 141 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 142 | dprintf(("PyThread_release_lock(%p) called\n", lock)); |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 143 | mutex_unlock((mutex_t )lock); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | /* |
| 147 | * Semaphore support. |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 148 | * |
| 149 | * This implementation is ripped directly from the pthreads implementation. |
| 150 | * Which is to say that it is 100% non-functional at this time. |
| 151 | * |
| 152 | * Assuming the page is still up, documentation can be found at: |
| 153 | * |
| 154 | * http://www.doc.ic.ac.uk/~mac/manuals/solaris-manual-pages/solaris/usr/man/man2/_lwp_sema_wait.2.html |
| 155 | * |
| 156 | * Looking at the man page, it seems that one could easily implement a |
| 157 | * semaphore using a condition. |
| 158 | * |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 159 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 160 | PyThread_type_sema |
| 161 | PyThread_allocate_sema(int value) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 162 | { |
Guido van Rossum | 3ecebf1 | 1996-07-30 16:48:31 +0000 | [diff] [blame] | 163 | char *sema = 0; |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 164 | dprintf(("PyThread_allocate_sema called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 165 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 166 | PyThread_init_thread(); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 167 | |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 168 | dprintf(("PyThread_allocate_sema() -> %p\n", sema)); |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 169 | return (PyThread_type_sema) sema; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 170 | } |
| 171 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 172 | void |
| 173 | PyThread_free_sema(PyThread_type_sema sema) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 174 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 175 | dprintf(("PyThread_free_sema(%p) called\n", sema)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 176 | } |
| 177 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 178 | int |
| 179 | PyThread_down_sema(PyThread_type_sema sema, int waitflag) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 180 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 181 | dprintf(("PyThread_down_sema(%p, %d) called\n", sema, waitflag)); |
| 182 | dprintf(("PyThread_down_sema(%p) return\n", sema)); |
Guido van Rossum | cf1474b | 1996-10-08 14:17:53 +0000 | [diff] [blame] | 183 | return -1; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 184 | } |
| 185 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 186 | void |
| 187 | PyThread_up_sema(PyThread_type_sema sema) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 188 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 189 | dprintf(("PyThread_up_sema(%p)\n", sema)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 190 | } |