luc14n0/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2025-02-04 02:06:18 +01:00
Code Issues Packages Projects Releases Wiki Activity

win32 threads: simplify

Browse Source 
Merge the GThreadData with the GThreadWin32 struct.  Drop the extra TLS
variable.

Close the handle on _free(), which means that there is no leak if
g_system_thread_join() isn't called.

Remove all internal concept of joinability.
This commit is contained in:
Ryan Lortie 2011-10-12 23:22:31 -04:00
parent dfd466979b
commit 45736d33bb
1 changed files with 9 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
glib/gthread-win32.c
View File

@ -450,24 +450,14 @@ g_private_replace (GPrivate *key,
#define G_MUTEX_SIZE (sizeof (gpointer))
static DWORD g_thread_self_tls;
typedef BOOL (__stdcall *GTryEnterCriticalSectionFunc) (CRITICAL_SECTION *);
typedef struct _GThreadData GThreadData;
struct _GThreadData
{
GThreadFunc func;
gpointer data;
HANDLE thread;
gboolean joinable;
};
typedef struct
{
GRealThread thread;
GThreadData *data;
GThreadFunc proxy;
HANDLE handle;
} GThreadWin32;
void
@ -475,6 +465,7 @@ g_system_thread_free (GRealThread *thread)
{
GThreadWin32 *wt = (GThreadWin32 *) thread;
win32_check_for_error (CloseHandle (wt->handle));
g_slice_free (GThreadWin32, wt);
}
@ -487,11 +478,9 @@ g_system_thread_exit (void)
static guint __stdcall
g_thread_win32_proxy (gpointer data)
{
GThreadData *self = (GThreadData*) data;
GThreadWin32 *self = data;
win32_check_for_error (TlsSetValue (g_thread_self_tls, self));
self->func (self->data);
self->proxy (self);
g_system_thread_exit ();
@ -508,31 +497,22 @@ g_system_thread_new (GThreadFunc func,
{
GThreadWin32 *thread;
guint ignore;
GThreadData *retval;
thread = g_slice_new0 (GThreadWin32);
retval = g_new(GThreadData, 1);
retval->func = func;
retval->data = thread;
thread->proxy = func;
retval->joinable = joinable;
thread->handle = (HANDLE) _beginthreadex (NULL, stack_size, g_thread_win32_proxy, thread, 0, &ignore);
retval->thread = (HANDLE) _beginthreadex (NULL, stack_size, g_thread_win32_proxy,
retval, 0, &ignore);
if (retval->thread == NULL)
if (thread->handle == NULL)
{
gchar *win_error = g_win32_error_message (GetLastError ());
g_set_error (error, G_THREAD_ERROR, G_THREAD_ERROR_AGAIN,
"Error creating thread: %s", win_error);
g_free (retval);
g_free (win_error);
g_slice_free (GThreadWin32, thread);
return NULL;
}
thread->data = retval;
return (GRealThread *) thread;
}
@ -546,15 +526,8 @@ void
g_system_thread_wait (GRealThread *thread)
{
GThreadWin32 *wt = (GThreadWin32 *) thread;
GThreadData *target = wt->data;
g_return_if_fail (target->joinable);
win32_check_for_error (WAIT_FAILED !=
WaitForSingleObject (target->thread, INFINITE));
win32_check_for_error (CloseHandle (target->thread));
g_free (target);
win32_check_for_error (WAIT_FAILED != WaitForSingleObject (wt->handle, INFINITE));
}
void
@ -1023,14 +996,12 @@ g_thread_win32_init (void)
g_thread_xp_init ();
}
win32_check_for_error (TLS_OUT_OF_INDEXES != (g_thread_self_tls = TlsAlloc ()));
InitializeCriticalSection (&g_private_lock);
}
G_GNUC_INTERNAL void
g_thread_win32_thread_detach (void)
{
GThreadData *self = TlsGetValue (g_thread_self_tls);
gboolean dtors_called;
do
@ -1062,16 +1033,6 @@ g_thread_win32_thread_detach (void)
}
while (dtors_called);
if (self)
{
if (!self->joinable)
{
win32_check_for_error (CloseHandle (self->thread));
g_free (self);
}
win32_check_for_error (TlsSetValue (g_thread_self_tls, NULL));
}
if (g_thread_impl_vtable.CallThisOnThreadExit)
g_thread_impl_vtable.CallThisOnThreadExit ();
}