diff options
Diffstat (limited to 'uisimulator')
| -rw-r--r-- | uisimulator/x11/Makefile | 4 | ||||
| -rw-r--r-- | uisimulator/x11/thread.c | 69 |
2 files changed, 71 insertions, 2 deletions
diff --git a/uisimulator/x11/Makefile b/uisimulator/x11/Makefile index 2b2dab1960..0c40a0336a 100644 --- a/uisimulator/x11/Makefile +++ b/uisimulator/x11/Makefile @@ -48,7 +48,7 @@ LDFLAGS = -lX11 -lm -lXt -lXmu -lnsl INCLUDES = -I. -I$(DRIVERS) -I$(COMMON) -I$(FIRMWAREDIR) -I$(APPDIR) -I$(RECDIR) -LIBS = +LIBS = -lpthread UNAME := $(shell uname) ifeq ($(UNAME),Linux) @@ -77,7 +77,7 @@ ifeq ($(DISPLAY),-DHAVE_LCD_BITMAP) endif SRCS = screenhack.c uibasic.c resources.c visual.c lcd-x11.c mpeg.c \ - button-x11.c io.c sleep.c $(APPS) $(FIRMSRCS) + button-x11.c io.c sleep.c thread.c $(APPS) $(FIRMSRCS) ifdef MPEG_PLAY SRCS += mpegplay.c oss_sound.c bit.c decoder.c fixed.c frame.c huffman.c layer12.c layer3.c stream.c synth.c timer.c version.c diff --git a/uisimulator/x11/thread.c b/uisimulator/x11/thread.c new file mode 100644 index 0000000000..769de5bef0 --- /dev/null +++ b/uisimulator/x11/thread.c @@ -0,0 +1,69 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2002 Daniel Stenberg + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <stdio.h> +#include <pthread.h> + +/* + * We emulate the target threads by using pthreads. We have a mutex that only + * allows one thread at a time to execute. It forces each thread to yield() + * for the other(s) to run. + */ + +pthread_mutex_t mp; + +void init_threads(void) +{ + pthread_mutex_init(&mp, NULL); +} +/* + int pthread_create(pthread_t *new_thread_ID, + const pthread_attr_t *attr, + void * (*start_func)(void *), void *arg); +*/ + +void yield(void) +{ + pthread_mutex_unlock(&mp); /* return */ + pthread_mutex_lock(&mp); /* get it again */ +} + +int create_thread(void* fp, void* sp, int stk_size) +{ + pthread_t tid; + int i; + int error; + + /* we really don't care about these arguments */ + (void)sp; + (void)stk_size; + error = pthread_create(&tid, + NULL, /* default attributes please */ + fp, /* function to start */ + NULL /* start argument */); + if(0 != error) + fprintf(stderr, "Couldn't run thread number %d, errno %d\n", i, error); + else + fprintf(stderr, "Thread %d is running\n", tid); + + /* get mutex to only allow one thread running at a time */ + pthread_mutex_lock(&mp); + + return error; +} |