Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 1 | |
| 2 | #include <stdlib.h> |
| 3 | #include <stdio.h> |
| 4 | #include <unistd.h> |
Guido van Rossum | cf1474b | 1996-10-08 14:17:53 +0000 | [diff] [blame] | 5 | #include <errno.h> |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 6 | #include </usr/include/thread.h> |
Guido van Rossum | 6eea326 | 1996-08-26 14:58:54 +0000 | [diff] [blame] | 7 | #undef _POSIX_THREADS |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 8 | |
| 9 | |
| 10 | /* |
| 11 | * Initialization. |
| 12 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 13 | static void PyThread__init_thread(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 14 | { |
| 15 | } |
| 16 | |
| 17 | /* |
| 18 | * Thread support. |
| 19 | */ |
| 20 | struct func_arg { |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 21 | void (*func)(void *); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 22 | void *arg; |
| 23 | }; |
| 24 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 25 | static void * |
| 26 | new_func(void *funcarg) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 27 | { |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 28 | void (*func)(void *); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 29 | void *arg; |
| 30 | |
| 31 | func = ((struct func_arg *) funcarg)->func; |
| 32 | arg = ((struct func_arg *) funcarg)->arg; |
| 33 | free(funcarg); |
| 34 | (*func)(arg); |
| 35 | return 0; |
| 36 | } |
| 37 | |
| 38 | |
Guido van Rossum | 3c28863 | 2001-10-16 21:13:49 +0000 | [diff] [blame] | 39 | long |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 40 | PyThread_start_new_thread(void (*func)(void *), void *arg) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 41 | { |
Guido van Rossum | 3c28863 | 2001-10-16 21:13:49 +0000 | [diff] [blame] | 42 | thread_t tid; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 43 | struct func_arg *funcarg; |
| 44 | int success = 0; /* init not needed when SOLARIS_THREADS and */ |
| 45 | /* C_THREADS implemented properly */ |
| 46 | |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 47 | dprintf(("PyThread_start_new_thread called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 48 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 49 | PyThread_init_thread(); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 50 | funcarg = (struct func_arg *) malloc(sizeof(struct func_arg)); |
| 51 | funcarg->func = func; |
| 52 | funcarg->arg = arg; |
Guido van Rossum | 495894e | 1999-04-13 14:32:12 +0000 | [diff] [blame] | 53 | if (thr_create(0, 0, new_func, funcarg, |
Guido van Rossum | 3c28863 | 2001-10-16 21:13:49 +0000 | [diff] [blame] | 54 | THR_DETACHED | THR_NEW_LWP, &tid)) { |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 55 | perror("thr_create"); |
| 56 | free((void *) funcarg); |
| 57 | success = -1; |
| 58 | } |
Guido van Rossum | 3c28863 | 2001-10-16 21:13:49 +0000 | [diff] [blame] | 59 | return tid; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 60 | } |
| 61 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 62 | long |
| 63 | PyThread_get_thread_ident(void) |
Guido van Rossum | e944da8 | 1994-05-23 12:43:41 +0000 | [diff] [blame] | 64 | { |
| 65 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 66 | PyThread_init_thread(); |
Guido van Rossum | e944da8 | 1994-05-23 12:43:41 +0000 | [diff] [blame] | 67 | return thr_self(); |
| 68 | } |
| 69 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 70 | static void |
| 71 | do_PyThread_exit_thread(int no_cleanup) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 72 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 73 | dprintf(("PyThread_exit_thread called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 74 | if (!initialized) |
| 75 | if (no_cleanup) |
| 76 | _exit(0); |
| 77 | else |
| 78 | exit(0); |
| 79 | thr_exit(0); |
| 80 | } |
| 81 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 82 | void |
| 83 | PyThread_exit_thread(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 84 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 85 | do_PyThread_exit_thread(0); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 86 | } |
| 87 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 88 | void |
| 89 | PyThread__exit_thread(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 90 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 91 | do_PyThread_exit_thread(1); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | #ifndef NO_EXIT_PROG |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 95 | static void |
| 96 | do_PyThread_exit_prog(int status, int no_cleanup) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 97 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 98 | dprintf(("PyThread_exit_prog(%d) called\n", status)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 99 | if (!initialized) |
| 100 | if (no_cleanup) |
| 101 | _exit(status); |
| 102 | else |
| 103 | exit(status); |
| 104 | if (no_cleanup) |
| 105 | _exit(status); |
| 106 | else |
| 107 | exit(status); |
| 108 | } |
| 109 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 110 | void |
| 111 | PyThread_exit_prog(int status) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 112 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 113 | do_PyThread_exit_prog(status, 0); |
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__exit_prog(int status) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 118 | { |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 119 | do_PyThread_exit_prog(status, 1); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 120 | } |
| 121 | #endif /* NO_EXIT_PROG */ |
| 122 | |
| 123 | /* |
| 124 | * Lock support. |
| 125 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 126 | PyThread_type_lock |
| 127 | PyThread_allocate_lock(void) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 128 | { |
| 129 | mutex_t *lock; |
| 130 | |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 131 | dprintf(("PyThread_allocate_lock called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 132 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 133 | PyThread_init_thread(); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 134 | |
| 135 | lock = (mutex_t *) malloc(sizeof(mutex_t)); |
| 136 | if (mutex_init(lock, USYNC_THREAD, 0)) { |
| 137 | perror("mutex_init"); |
| 138 | free((void *) lock); |
| 139 | lock = 0; |
| 140 | } |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 141 | dprintf(("PyThread_allocate_lock() -> %p\n", lock)); |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 142 | return (PyThread_type_lock) lock; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 143 | } |
| 144 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 145 | void |
| 146 | PyThread_free_lock(PyThread_type_lock lock) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 147 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 148 | dprintf(("PyThread_free_lock(%p) called\n", lock)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 149 | mutex_destroy((mutex_t *) lock); |
| 150 | free((void *) lock); |
| 151 | } |
| 152 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 153 | int |
| 154 | PyThread_acquire_lock(PyThread_type_lock lock, int waitflag) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 155 | { |
| 156 | int success; |
| 157 | |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 158 | dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 159 | if (waitflag) |
| 160 | success = mutex_lock((mutex_t *) lock); |
| 161 | else |
| 162 | success = mutex_trylock((mutex_t *) lock); |
| 163 | if (success < 0) |
| 164 | perror(waitflag ? "mutex_lock" : "mutex_trylock"); |
| 165 | else |
| 166 | success = !success; /* solaris does it the other way round */ |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 167 | dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 168 | return success; |
| 169 | } |
| 170 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 171 | void |
| 172 | PyThread_release_lock(PyThread_type_lock lock) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 173 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 174 | dprintf(("PyThread_release_lock(%p) called\n", lock)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 175 | if (mutex_unlock((mutex_t *) lock)) |
| 176 | perror("mutex_unlock"); |
| 177 | } |
| 178 | |
| 179 | /* |
| 180 | * Semaphore support. |
| 181 | */ |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 182 | PyThread_type_sema |
| 183 | PyThread_allocate_sema(int value) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 184 | { |
| 185 | sema_t *sema; |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 186 | dprintf(("PyThread_allocate_sema called\n")); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 187 | if (!initialized) |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 188 | PyThread_init_thread(); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 189 | |
| 190 | sema = (sema_t *) malloc(sizeof(sema_t)); |
| 191 | if (sema_init(sema, value, USYNC_THREAD, 0)) { |
| 192 | perror("sema_init"); |
| 193 | free((void *) sema); |
| 194 | sema = 0; |
| 195 | } |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 196 | dprintf(("PyThread_allocate_sema() -> %p\n", sema)); |
Guido van Rossum | 65d5b57 | 1998-12-21 19:32:43 +0000 | [diff] [blame] | 197 | return (PyThread_type_sema) sema; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 198 | } |
| 199 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 200 | void |
| 201 | PyThread_free_sema(PyThread_type_sema sema) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 202 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 203 | dprintf(("PyThread_free_sema(%p) called\n", sema)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 204 | if (sema_destroy((sema_t *) sema)) |
| 205 | perror("sema_destroy"); |
| 206 | free((void *) sema); |
| 207 | } |
| 208 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 209 | int |
| 210 | PyThread_down_sema(PyThread_type_sema sema, int waitflag) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 211 | { |
Guido van Rossum | cf1474b | 1996-10-08 14:17:53 +0000 | [diff] [blame] | 212 | int success; |
| 213 | |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 214 | dprintf(("PyThread_down_sema(%p) called\n", sema)); |
Guido van Rossum | cf1474b | 1996-10-08 14:17:53 +0000 | [diff] [blame] | 215 | if (waitflag) |
| 216 | success = sema_wait((sema_t *) sema); |
| 217 | else |
| 218 | success = sema_trywait((sema_t *) sema); |
| 219 | if (success < 0) { |
| 220 | if (errno == EBUSY) |
| 221 | success = 0; |
| 222 | else |
| 223 | perror("sema_wait"); |
| 224 | } |
| 225 | else |
| 226 | success = !success; |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 227 | dprintf(("PyThread_down_sema(%p) return %d\n", sema, success)); |
Guido van Rossum | cf1474b | 1996-10-08 14:17:53 +0000 | [diff] [blame] | 228 | return success; |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 229 | } |
| 230 | |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 231 | void |
| 232 | PyThread_up_sema(PyThread_type_sema sema) |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 233 | { |
Fred Drake | a44d353 | 2000-06-30 15:01:00 +0000 | [diff] [blame] | 234 | dprintf(("PyThread_up_sema(%p)\n", sema)); |
Guido van Rossum | 2c8cb9f | 1994-05-09 15:12:46 +0000 | [diff] [blame] | 235 | if (sema_post((sema_t *) sema)) |
| 236 | perror("sema_post"); |
| 237 | } |