#include <config.h>
+#if defined(__OpenBSD__) || defined(__FreeBSD__)
+#include <pthread.h>
+#include <pthread_np.h>
+#endif
+
#include <mono/utils/mono-compiler.h>
#include <mono/utils/mono-semaphore.h>
#include <mono/utils/mono-threads.h>
#include <mono/utils/mono-tls.h>
-#include <mono/utils/gc_wrapper.h>
+#include <mono/utils/mono-mmap.h>
#include <mono/metadata/threads-types.h>
#include <errno.h>
extern int tkill (pid_t tid, int signal);
#endif
+#if defined(PLATFORM_MACOSX) && defined(HAVE_PTHREAD_GET_STACKADDR_NP)
+void *pthread_get_stackaddr_np(pthread_t);
+size_t pthread_get_stacksize_np(pthread_t);
+#endif
+
#if defined(_POSIX_VERSION) || defined(__native_client__)
#include <signal.h>
}
start_info->handle = handle;
- if (!(flags & CREATE_NO_DETACH)) {
- res = mono_gc_pthread_detach (pthread_self ());
- g_assert (!res);
- }
-
info = mono_thread_info_attach (&result);
info->runtime_thread = TRUE;
+ info->handle = handle;
if (flags & CREATE_SUSPENDED) {
info->create_suspended = TRUE;
result = start_func (t_arg);
/*
- g_assert (!mono_domain_get ());
- mono_thread_info_dettach ();
+ mono_thread_info_detach ();
*/
#if defined(__native_client__)
nacl_shutdown_gc_thread();
#endif
- wapi_thread_set_exit_code (GPOINTER_TO_UINT (result), handle);
-
- // FIXME: Why is this needed ?
- mono_gc_pthread_exit (NULL);
+ wapi_thread_handle_set_exited (handle, GPOINTER_TO_UINT (result));
+ /* This is needed by mono_threads_core_unregister () which is called later */
+ info->handle = NULL;
+ g_assert (mono_threads_get_callbacks ()->thread_exit);
+ mono_threads_get_callbacks ()->thread_exit (NULL);
g_assert_not_reached ();
return result;
}
MONO_SEM_POST (&info->create_suspended_sem);
}
+void
+mono_threads_core_get_stack_bounds (guint8 **staddr, size_t *stsize)
+{
+#if defined(HAVE_PTHREAD_GET_STACKSIZE_NP) && defined(HAVE_PTHREAD_GET_STACKADDR_NP)
+ /* Mac OS X */
+ *staddr = (guint8*)pthread_get_stackaddr_np (pthread_self());
+ *stsize = pthread_get_stacksize_np (pthread_self());
+
+
+#ifdef TARGET_OSX
+ /*
+ * Mavericks reports stack sizes as 512kb:
+ * http://permalink.gmane.org/gmane.comp.java.openjdk.hotspot.devel/11590
+ * https://bugs.openjdk.java.net/browse/JDK-8020753
+ */
+ if (*stsize == 512 * 1024)
+ *stsize = 2048 * mono_pagesize ();
+#endif
+
+ /* staddr points to the start of the stack, not the end */
+ *staddr -= *stsize;
+
+ /* When running under emacs, sometimes staddr is not aligned to a page size */
+ *staddr = (guint8*)((gssize)*staddr & ~(mono_pagesize() - 1));
+ return;
+
+#elif (defined(HAVE_PTHREAD_GETATTR_NP) || defined(HAVE_PTHREAD_ATTR_GET_NP)) && defined(HAVE_PTHREAD_ATTR_GETSTACK)
+ /* Linux, BSD */
+
+ pthread_attr_t attr;
+ guint8 *current = (guint8*)&attr;
+
+ *staddr = NULL;
+ *stsize = (size_t)-1;
+
+ pthread_attr_init (&attr);
+
+#if defined(HAVE_PTHREAD_GETATTR_NP)
+ /* Linux */
+ pthread_getattr_np (pthread_self(), &attr);
+
+#elif defined(HAVE_PTHREAD_ATTR_GET_NP)
+ /* BSD */
+ pthread_attr_get_np (pthread_self(), &attr);
+
+#else
+#error Cannot determine which API is needed to retrieve pthread attributes.
+#endif
+
+ pthread_attr_getstack (&attr, (void**)staddr, stsize);
+ pthread_attr_destroy (&attr);
+
+ if (*staddr)
+ g_assert ((current > *staddr) && (current < *staddr + *stsize));
+
+ /* When running under emacs, sometimes staddr is not aligned to a page size */
+ *staddr = (guint8*)((gssize)*staddr & ~(mono_pagesize () - 1));
+ return;
+
+#elif defined(__OpenBSD__)
+ /* OpenBSD */
+ /* TODO : Determine if this code is actually still needed. It may already be covered by the case above. */
+
+ pthread_attr_t attr;
+ guint8 *current = (guint8*)&attr;
+
+ *staddr = NULL;
+ *stsize = (size_t)-1;
+
+ pthread_attr_init (&attr);
+
+ stack_t ss;
+ int rslt;
+
+ rslt = pthread_stackseg_np(pthread_self(), &ss);
+ g_assert (rslt == 0);
+
+ *staddr = (guint8*)((size_t)ss.ss_sp - ss.ss_size);
+ *stsize = ss.ss_size;
+
+ pthread_attr_destroy (&attr);
+
+ if (*staddr)
+ g_assert ((current > *staddr) && (current < *staddr + *stsize));
+
+ /* When running under emacs, sometimes staddr is not aligned to a page size */
+ *staddr = (guint8*)((gssize)*staddr & ~(mono_pagesize () - 1));
+ return;
+
+#elif defined(sun) || defined(__native_client__)
+ /* Solaris/Illumos, NaCl */
+ pthread_attr_t attr;
+ pthread_attr_init (&attr);
+ pthread_attr_getstacksize (&attr, &stsize);
+ pthread_attr_destroy (&attr);
+ *staddr = NULL;
+ return;
+
+#else
+ /* FIXME: It'd be better to use the 'error' preprocessor macro here so we know
+ at compile-time if the target platform isn't supported. */
+#warning "Unable to determine how to retrieve a thread's stack-bounds for this platform in 'mono_thread_get_stack_bounds()'."
+ *staddr = NULL;
+ *stsize = 0;
+ return;
+#endif
+}
+
+gboolean
+mono_threads_core_yield (void)
+{
+ return sched_yield () == 0;
+}
+
+void
+mono_threads_core_exit (int exit_code)
+{
+ MonoThreadInfo *current = mono_thread_info_current ();
+
+#if defined(__native_client__)
+ nacl_shutdown_gc_thread();
+#endif
+
+ wapi_thread_handle_set_exited (current->handle, exit_code);
+
+ g_assert (mono_threads_get_callbacks ()->thread_exit);
+ mono_threads_get_callbacks ()->thread_exit (NULL);
+}
+
+void
+mono_threads_core_unregister (MonoThreadInfo *info)
+{
+ if (info->handle) {
+ wapi_thread_handle_set_exited (info->handle, 0);
+ info->handle = NULL;
+ }
+}
+
+HANDLE
+mono_threads_core_open_handle (void)
+{
+ MonoThreadInfo *info;
+
+ info = mono_thread_info_current ();
+ g_assert (info);
+
+ if (!info->handle)
+ info->handle = wapi_create_thread_handle ();
+ else
+ wapi_ref_thread_handle (info->handle);
+ return info->handle;
+}
+
#if !defined (__MACH__)
#if !defined(__native_client__)
projects / mono.git / blobdiff