symbian-qemu-0.9.1-12/python-2.6.1/Python/thread_solaris.h
author martin.trojer@nokia.com
Fri, 31 Jul 2009 15:01:17 +0100
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permissions -rw-r--r--
Initial QEMU (symbian-qemu-0.9.1-12) import
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include </usr/include/thread.h>
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#undef _POSIX_THREADS
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/*
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 * Initialization.
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 */
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static void PyThread__init_thread(void)
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{
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}
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/*
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 * Thread support.
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 */
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struct func_arg {
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	void (*func)(void *);
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	void *arg;
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};
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static void *
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new_func(void *funcarg)
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{
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	void (*func)(void *);
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	void *arg;
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	func = ((struct func_arg *) funcarg)->func;
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	arg = ((struct func_arg *) funcarg)->arg;
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	free(funcarg);
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	(*func)(arg);
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	return 0;
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}
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long
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PyThread_start_new_thread(void (*func)(void *), void *arg)
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{
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	thread_t tid;
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	struct func_arg *funcarg;
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	dprintf(("PyThread_start_new_thread called\n"));
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	if (!initialized)
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		PyThread_init_thread();
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	funcarg = (struct func_arg *) malloc(sizeof(struct func_arg));
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	funcarg->func = func;
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	funcarg->arg = arg;
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	if (thr_create(0, 0, new_func, funcarg,
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		       THR_DETACHED | THR_NEW_LWP, &tid)) {
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		perror("thr_create");
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		free((void *) funcarg);
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		return -1;
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	}
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	return tid;
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}
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long
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PyThread_get_thread_ident(void)
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{
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	if (!initialized)
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		PyThread_init_thread();
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	return thr_self();
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}
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static void 
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do_PyThread_exit_thread(int no_cleanup)
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{
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	dprintf(("PyThread_exit_thread called\n"));
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	if (!initialized)
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		if (no_cleanup)
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			_exit(0);
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		else
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			exit(0);
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	thr_exit(0);
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}
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void 
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PyThread_exit_thread(void)
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{
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	do_PyThread_exit_thread(0);
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}
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void 
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PyThread__exit_thread(void)
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{
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	do_PyThread_exit_thread(1);
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}
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#ifndef NO_EXIT_PROG
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static void 
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do_PyThread_exit_prog(int status, int no_cleanup)
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{
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	dprintf(("PyThread_exit_prog(%d) called\n", status));
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	if (!initialized)
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		if (no_cleanup)
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			_exit(status);
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		else
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			exit(status);
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	if (no_cleanup)
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		_exit(status);
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	else
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		exit(status);
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}
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void 
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PyThread_exit_prog(int status)
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{
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	do_PyThread_exit_prog(status, 0);
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}
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void 
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PyThread__exit_prog(int status)
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{
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	do_PyThread_exit_prog(status, 1);
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}
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#endif /* NO_EXIT_PROG */
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/*
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 * Lock support.
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 */
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PyThread_type_lock 
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PyThread_allocate_lock(void)
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{
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parents:
diff changeset
   126
	mutex_t *lock;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   127
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   128
	dprintf(("PyThread_allocate_lock called\n"));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   129
	if (!initialized)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   130
		PyThread_init_thread();
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   131
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   132
	lock = (mutex_t *) malloc(sizeof(mutex_t));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   133
	if (mutex_init(lock, USYNC_THREAD, 0)) {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   134
		perror("mutex_init");
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   135
		free((void *) lock);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   136
		lock = 0;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   137
	}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   138
	dprintf(("PyThread_allocate_lock() -> %p\n", lock));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   139
	return (PyThread_type_lock) lock;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   140
}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   141
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   142
void 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   143
PyThread_free_lock(PyThread_type_lock lock)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   144
{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   145
	dprintf(("PyThread_free_lock(%p) called\n", lock));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   146
	mutex_destroy((mutex_t *) lock);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   147
	free((void *) lock);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   148
}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   149
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   150
int 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   151
PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   152
{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   153
	int success;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   154
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   155
	dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   156
	if (waitflag)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   157
		success = mutex_lock((mutex_t *) lock);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   158
	else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   159
		success = mutex_trylock((mutex_t *) lock);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   160
	if (success < 0)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   161
		perror(waitflag ? "mutex_lock" : "mutex_trylock");
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   162
	else
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   163
		success = !success; /* solaris does it the other way round */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   164
	dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   165
	return success;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   166
}
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   167
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   168
void 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   169
PyThread_release_lock(PyThread_type_lock lock)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   170
{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   171
	dprintf(("PyThread_release_lock(%p) called\n", lock));
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   172
	if (mutex_unlock((mutex_t *) lock))
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   173
		perror("mutex_unlock");
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   174
}