/Python/thread_solaris.h
http://unladen-swallow.googlecode.com/ · C++ Header · 174 lines · 142 code · 23 blank · 9 comment · 13 complexity · 20b26997027afc745d08d0554fc18f6a MD5 · raw file
- #include <stdlib.h>
- #include <stdio.h>
- #include <errno.h>
- #include </usr/include/thread.h>
- #undef _POSIX_THREADS
- /*
- * Initialization.
- */
- static void PyThread__init_thread(void)
- {
- }
- /*
- * Thread support.
- */
- struct func_arg {
- void (*func)(void *);
- void *arg;
- };
- static void *
- new_func(void *funcarg)
- {
- void (*func)(void *);
- void *arg;
- func = ((struct func_arg *) funcarg)->func;
- arg = ((struct func_arg *) funcarg)->arg;
- free(funcarg);
- (*func)(arg);
- return 0;
- }
- long
- PyThread_start_new_thread(void (*func)(void *), void *arg)
- {
- thread_t tid;
- struct func_arg *funcarg;
- dprintf(("PyThread_start_new_thread called\n"));
- if (!initialized)
- PyThread_init_thread();
- funcarg = (struct func_arg *) malloc(sizeof(struct func_arg));
- funcarg->func = func;
- funcarg->arg = arg;
- if (thr_create(0, 0, new_func, funcarg,
- THR_DETACHED | THR_NEW_LWP, &tid)) {
- perror("thr_create");
- free((void *) funcarg);
- return -1;
- }
- return tid;
- }
- long
- PyThread_get_thread_ident(void)
- {
- if (!initialized)
- PyThread_init_thread();
- return thr_self();
- }
- static void
- do_PyThread_exit_thread(int no_cleanup)
- {
- dprintf(("PyThread_exit_thread called\n"));
- if (!initialized)
- if (no_cleanup)
- _exit(0);
- else
- exit(0);
- thr_exit(0);
- }
- void
- PyThread_exit_thread(void)
- {
- do_PyThread_exit_thread(0);
- }
- void
- PyThread__exit_thread(void)
- {
- do_PyThread_exit_thread(1);
- }
- #ifndef NO_EXIT_PROG
- static void
- do_PyThread_exit_prog(int status, int no_cleanup)
- {
- dprintf(("PyThread_exit_prog(%d) called\n", status));
- if (!initialized)
- if (no_cleanup)
- _exit(status);
- else
- exit(status);
- if (no_cleanup)
- _exit(status);
- else
- exit(status);
- }
- void
- PyThread_exit_prog(int status)
- {
- do_PyThread_exit_prog(status, 0);
- }
- void
- PyThread__exit_prog(int status)
- {
- do_PyThread_exit_prog(status, 1);
- }
- #endif /* NO_EXIT_PROG */
- /*
- * Lock support.
- */
- PyThread_type_lock
- PyThread_allocate_lock(void)
- {
- mutex_t *lock;
- dprintf(("PyThread_allocate_lock called\n"));
- if (!initialized)
- PyThread_init_thread();
- lock = (mutex_t *) malloc(sizeof(mutex_t));
- if (mutex_init(lock, USYNC_THREAD, 0)) {
- perror("mutex_init");
- free((void *) lock);
- lock = 0;
- }
- dprintf(("PyThread_allocate_lock() -> %p\n", lock));
- return (PyThread_type_lock) lock;
- }
- void
- PyThread_free_lock(PyThread_type_lock lock)
- {
- dprintf(("PyThread_free_lock(%p) called\n", lock));
- mutex_destroy((mutex_t *) lock);
- free((void *) lock);
- }
- int
- PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
- {
- int success;
- dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
- if (waitflag)
- success = mutex_lock((mutex_t *) lock);
- else
- success = mutex_trylock((mutex_t *) lock);
- if (success < 0)
- perror(waitflag ? "mutex_lock" : "mutex_trylock");
- else
- success = !success; /* solaris does it the other way round */
- dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
- return success;
- }
- void
- PyThread_release_lock(PyThread_type_lock lock)
- {
- dprintf(("PyThread_release_lock(%p) called\n", lock));
- if (mutex_unlock((mutex_t *) lock))
- perror("mutex_unlock");
- }