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Revamped the thread configure stuff. Now dce threads (old posix draft) are

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1999-03-11  Sebastian Wilhelmi  <wilhelmi@ira.uka.de>

	* configure.in: Revamped the thread configure stuff. Now dce
	threads (old posix draft) are recogniced. This is necessary,
	because dce threads are in fact working quite differently from
	posix threads. Also changed the conditions for checking for MT
	safe functions a bit, because G_THREADS_IMPL_NONE still have to
	compile thread safe.

	* gthread/gthread-posix.c: Now handle both dce and posix
	threads. They are sufficently equal.

NOTE: Please do not commit my change to
glib-1-2/{acconfig.h,configure.in,config.h.win32} from 1999-03-03, as
the current change will take care of that too.
This commit is contained in:
Sebastian Wilhelmi
1999-03-11 17:38:51 +00:00
committed by Sebastian Wilhelmi
parent fd7ba69e32
commit 4c63008b6c
11 changed files with 171 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
gthread/gthread-posix.c
View File

@@ -43,10 +43,18 @@
__FILE__, __LINE__, G_GNUC_PRETTY_FUNCTION, \
g_strerror((num)), #name )
#define posix_check_for_error( what ) G_STMT_START{ \
int error = (what); \
if( error ) { posix_print_error( what, error ); } \
}G_STMT_END
#if defined(G_THREADS_IMPL_POSIX)
# define posix_check_for_error( what ) G_STMT_START{ \
int error = (what); \
if( error ) { posix_print_error( what, error ); } \
}G_STMT_END
#elif defined(G_THREADS_IMPL_DCE)
# define posix_check_for_error( what ) G_STMT_START{ \
if( (what) == -1 ) { posix_print_error( what, errno ); } \
}G_STMT_END
#else /* neither G_THREADS_IMPL_POSIX nor G_THREADS_IMPL_DCE are defined */
# error This should not happen. Contact the GLb team.
#endif
static GMutex *
g_mutex_new_posix_impl (void)
@@ -76,8 +84,14 @@ g_mutex_trylock_posix_impl (GMutex * mutex)
int result;
result = pthread_mutex_trylock ((pthread_mutex_t *) mutex);
if (result != EBUSY)
#ifdef G_THREADS_IMPL_POSIX
if (result == EBUSY)
return FALSE;
#else /* G_THREADS_IMPL_DCE */
if (result == 0)
return FALSE;
#endif
posix_check_for_error (result);
return TRUE;
@@ -123,7 +137,13 @@ g_cond_timed_wait_posix_impl (GCond * cond,
result = pthread_cond_timedwait ((pthread_cond_t *) cond,
(pthread_mutex_t *) entered_mutex,
&end_time);
#ifdef G_THREADS_IMPL_POSIX
timed_out = (result == ETIMEDOUT);
#else /* G_THREADS_IMPL_DCE */
timed_out = (result == -1) && (errno = EAGAIN);
#endif
if (!timed_out)
posix_check_for_error (result);
return !timed_out;
@@ -162,15 +182,16 @@ g_private_get_posix_impl (GPrivate * private_key)
{
if (!private_key)
return NULL;
#ifdef HAVE_PTHREAD_GETSPECIFIC_POSIX
#ifdef G_THREADS_IMPL_POSIX
return pthread_getspecific (*(pthread_key_t *) private_key);
#else /* HAVE_PTHREAD_GETSPECIFIC_POSIX */
#else /* G_THREADS_IMPL_DCE */
{
void* data;
pthread_getspecific (*(pthread_key_t *) private_key, &data);
posix_check_for_error (pthread_getspecific (*(pthread_key_t *)
private_key, &data);
return data;
}
#endif /* HAVE_PTHREAD_GETSPECIFIC_POSIX */
#endif
}
static GThreadFunctions g_thread_functions_for_glib_use_default =