diff options
Diffstat (limited to 'detach')
| -rw-r--r-- | detach/README | 4 | ||||
| -rw-r--r-- | detach/detach.c | 255 | ||||
| -rw-r--r-- | detach/makefile | 94 |
3 files changed, 353 insertions, 0 deletions
diff --git a/detach/README b/detach/README new file mode 100644 index 0000000..1cdc041 --- /dev/null +++ b/detach/README @@ -0,0 +1,4 @@ +the message to the inlet will be sent to the outlet, but all +functions called as result of this message run in a helper thread. + +requirement: pd>=devel_0_38
\ No newline at end of file diff --git a/detach/detach.c b/detach/detach.c new file mode 100644 index 0000000..661e073 --- /dev/null +++ b/detach/detach.c @@ -0,0 +1,255 @@ +/* +* +* detach +* Copyright (C) 2005 Tim Blechmann +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; see the file COPYING. If not, write to +* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +* Boston, MA 02111-1307, USA. +*/ + +#include "m_pd.h" +#include "m_fifo.h" + +#include "pthread.h" + + +static t_class *detach_class; + +typedef t_fifo fifo_t; /* for emacs syntax highlighting */ + +typedef struct _detach +{ + t_object x_obj; + + t_outlet * x_outlet; + + pthread_t x_thread; + pthread_mutex_t x_mutex; + pthread_cond_t x_cond; + + fifo_t * x_fifo; + +} detach_t; + +typedef struct _detach_content +{ + struct _detach_content_t * next; + enum { BANG, + POINTER, + FLOAT, + SYMBOL, + LIST, + ANYTHING, + CANCEL} type; + int argc; + t_atom * argv; + t_symbol * symbol; +} detach_content_t; + + +static void detach_thread(detach_t* x) +{ + detach_content_t * me; + while(1) + { + pthread_cond_wait(&x->x_cond, &x->x_mutex); + + me = (detach_content_t*) fifo_get(x->x_fifo); + + while (me != NULL) + { + /* run function */ + switch (me->type) + { + case BANG: + outlet_bang(x->x_outlet); + break; + case FLOAT: + outlet_float(x->x_outlet, atom_getfloat(me->argv)); + break; + case SYMBOL: + outlet_symbol(x->x_outlet, atom_getsymbol(me->argv)); + break; + case LIST: + outlet_list(x->x_outlet, 0, me->argc, me->argv); + freebytes(me->argv, me->argc * sizeof(t_atom)); + break; + case ANYTHING: + outlet_anything(x->x_outlet, me->symbol, me->argc, me->argv); + freebytes(me->argv, me->argc * sizeof(t_atom)); + break; + case CANCEL: + goto done; + + } + + /* free */ + if (me->argc) + freebytes(me->argv, me->argc * sizeof (t_atom)); + freebytes (me, sizeof(detach_content_t)); + + me = (detach_content_t*) fifo_get(x->x_fifo); + } + } + + done: /* free the fifo and exit */ + + do + { + if (me->argc) + freebytes(me->argv, me->argc * sizeof (t_atom)); + freebytes (me, sizeof(detach_content_t)); + } + while (me = (detach_content_t*) fifo_get(x->x_fifo)); + + fifo_destroy(x->x_fifo); + return; +} + +/* todo: take argument for thread priority */ +static detach_t * detach_new(void) +{ + detach_t *x = (detach_t*) pd_new(detach_class); + pthread_attr_t thread_attr; + struct sched_param thread_sched; + int status; + + x->x_outlet = outlet_new(&x->x_obj, NULL); + x->x_fifo = fifo_init(); + + /* thread initialisation */ + pthread_mutex_init (&x->x_mutex,NULL); + pthread_mutex_unlock (&x->x_mutex); + pthread_cond_init (&x->x_cond,NULL); + + pthread_attr_init(&thread_attr); +#ifdef _POSIX_THREAD_PRIORITY_SCHEDULING + thread_sched.sched_priority=sched_get_priority_min(SCHED_OTHER); + pthread_attr_setschedparam(&thread_attr,&thread_sched); +#endif + status = pthread_create(&x->x_thread, &thread_attr, + (void*)detach_thread, x); + +#if 1 + if (status == 0) + post("detaching thread"); +#endif + return x; +} + + +static void detach_free(detach_t * x) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = CANCEL; + me->argc = 0; + fifo_put(x->x_fifo, me); + pthread_cond_broadcast(&x->x_cond); +} + + +static void detach_bang(detach_t * x) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = BANG; + me->argc = 0; + fifo_put(x->x_fifo, me); + + pthread_cond_broadcast(&x->x_cond); +} + + +static void detach_float(detach_t * x, t_float f) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = FLOAT; + me->argc = 1; + me->argv = getbytes(sizeof(t_atom)); + SETFLOAT(me->argv, f); + fifo_put(x->x_fifo, me); + + pthread_cond_broadcast(&x->x_cond); +} + +static void detach_pointer(detach_t * x, t_gpointer* gp) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = POINTER; + me->argc = 1; + me->argv = getbytes(sizeof(t_atom)); + SETPOINTER(me->argv, gp); + fifo_put(x->x_fifo, me); + + pthread_cond_broadcast(&x->x_cond); +} + +static void detach_symbol(detach_t * x, t_symbol * s) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = SYMBOL; + me->argc = 1; + me->argv = getbytes(sizeof(t_atom)); + SETSYMBOL(me->argv, s); + fifo_put(x->x_fifo, me); + + pthread_cond_broadcast(&x->x_cond); +} + + +static void detach_list(detach_t * x, t_symbol * s, + int argc, t_atom* argv) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = LIST; + me->argc = argc; + me->argv = copybytes(argv, argc * sizeof(t_atom)); + fifo_put(x->x_fifo, me); + + pthread_cond_broadcast(&x->x_cond); +} + +static void detach_anything(detach_t * x, t_symbol * s, + int argc, t_atom* argv) +{ + detach_content_t * me = getbytes(sizeof(detach_content_t)); + + me->type = ANYTHING; + me->argc = argc; + me->argv = copybytes(argv, argc * sizeof(t_atom)); + me->symbol = s; + fifo_put(x->x_fifo, me); + + pthread_cond_broadcast(&x->x_cond); +} + + +void detach_setup(void) +{ + detach_class = class_new(gensym("detach"), (t_newmethod)detach_new, + (t_method)detach_free, sizeof(detach_t), + CLASS_DEFAULT, 0); + class_addbang(detach_class, detach_bang); + class_addfloat(detach_class, detach_float); + class_addpointer(detach_class, detach_pointer); + class_addsymbol(detach_class, detach_symbol); + class_addlist(detach_class, detach_list); + class_addanything(detach_class, detach_anything); +} diff --git a/detach/makefile b/detach/makefile new file mode 100644 index 0000000..dc50b33 --- /dev/null +++ b/detach/makefile @@ -0,0 +1,94 @@ +NAME=detach +CSYM=detach + +current: pd_linux + +# ----------------------- NT ----------------------- + +pd_nt: $(NAME).dll + +.SUFFIXES: .dll + +PDNTCFLAGS = /W3 /WX /DNT /DPD /nologo +VC="C:\Program Files\Microsoft Visual Studio\Vc98" + +PDNTINCLUDE = /I. /I..\..\src /I$(VC)\include + +PDNTLDIR = $(VC)\lib +PDNTLIB = $(PDNTLDIR)\libc.lib \ + $(PDNTLDIR)\oldnames.lib \ + $(PDNTLDIR)\kernel32.lib \ + ..\..\bin\pd.lib + +.c.dll: + cl $(PDNTCFLAGS) $(PDNTINCLUDE) /c $*.c + link /dll /export:$(CSYM)_setup $*.obj $(PDNTLIB) + +# ----------------------- IRIX 5.x ----------------------- + +pd_irix5: $(NAME).pd_irix5 + +.SUFFIXES: .pd_irix5 + +SGICFLAGS5 = -o32 -DPD -DUNIX -DIRIX -O2 + +SGIINCLUDE = -I../../src + +.c.pd_irix5: + $(CC) $(SGICFLAGS5) $(SGIINCLUDE) -o $*.o -c $*.c + ld -elf -shared -rdata_shared -o $*.pd_irix5 $*.o + rm $*.o + +# ----------------------- IRIX 6.x ----------------------- + +pd_irix6: $(NAME).pd_irix6 + +.SUFFIXES: .pd_irix6 + +SGICFLAGS6 = -n32 -DPD -DUNIX -DIRIX -DN32 -woff 1080,1064,1185 \ + -OPT:roundoff=3 -OPT:IEEE_arithmetic=3 -OPT:cray_ivdep=true \ + -Ofast=ip32 + +.c.pd_irix6: + $(CC) $(SGICFLAGS6) $(SGIINCLUDE) -o $*.o -c $*.c + ld -n32 -IPA -shared -rdata_shared -o $*.pd_irix6 $*.o + rm $*.o + +# ----------------------- LINUX i386 ----------------------- + +pd_linux: $(NAME).pd_linux + +.SUFFIXES: .pd_linux + +LINUXCFLAGS = -DPD -O3 -fPIC -funroll-loops -fomit-frame-pointer \ + -Wall -W -Wshadow -Wstrict-prototypes -Werror \ + -Wno-unused -Wno-parentheses -Wno-switch + +LINUXINCLUDE = -I../../../src + +LSTRIP = strip --strip-unneeded -R .note -R .comment + +.c.pd_linux: + cc $(LINUXCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c + cc -Wl,--export-dynamic --shared -o $*.pd_linux $*.o -lm + $(LSTRIP) $*.pd_linux + rm -f $*.o + +# ----------------------- Mac OSX ----------------------- + +pd_darwin: $(NAME).pd_darwin + +.SUFFIXES: .pd_darwin + +DARWINCFLAGS = -DPD -O2 -Wall -W -Wshadow -Wstrict-prototypes \ + -Wno-unused -Wno-parentheses -Wno-switch + +.c.pd_darwin: + $(CC) $(DARWINCFLAGS) $(LINUXINCLUDE) -o $*.o -c $*.c + $(CC) -bundle -undefined suppress -flat_namespace -o $*.pd_darwin $*.o + rm -f $*.o + +# ---------------------------------------------------------- + +clean: + rm -f *.o *.pd_* so_locations |