From a791be936a79154a1b1e600e5e75d147396847f6 Mon Sep 17 00:00:00 2001 From: Damien George Date: Fri, 22 Apr 2016 22:53:51 +0000 Subject: [PATCH] unix: Add basic thread support using pthreads. Has the ability to create new threads. --- unix/Makefile | 5 ++++ unix/main.c | 4 ++++ unix/mpconfigport.mk | 3 +++ unix/mpthreadport.c | 54 ++++++++++++++++++++++++++++++++++++++++++++ unix/mpthreadport.h | 35 ++++++++++++++++++++++++++++ 5 files changed, 101 insertions(+) create mode 100644 unix/mpthreadport.c create mode 100644 unix/mpthreadport.h diff --git a/unix/Makefile b/unix/Makefile index 3e0d299d82..72f35c38cd 100644 --- a/unix/Makefile +++ b/unix/Makefile @@ -93,6 +93,10 @@ ifeq ($(MICROPY_PY_SOCKET),1) CFLAGS_MOD += -DMICROPY_PY_SOCKET=1 SRC_MOD += modsocket.c endif +ifeq ($(MICROPY_PY_THREAD),1) +CFLAGS_MOD += -DMICROPY_PY_THREAD=1 +LDFLAGS_MOD += -lpthread +endif ifeq ($(MICROPY_PY_FFI),1) @@ -128,6 +132,7 @@ SRC_C = \ main.c \ gccollect.c \ unix_mphal.c \ + mpthreadport.c \ input.c \ file.c \ modmachine.c \ diff --git a/unix/main.c b/unix/main.c index dedee28e7f..a463d2e10a 100644 --- a/unix/main.c +++ b/unix/main.c @@ -45,6 +45,7 @@ #include "py/gc.h" #include "py/stackctrl.h" #include "py/mphal.h" +#include "py/mpthread.h" #include "extmod/misc.h" #include "genhdr/mpversion.h" #include "input.h" @@ -379,6 +380,9 @@ STATIC void set_sys_argv(char *argv[], int argc, int start_arg) { MP_NOINLINE int main_(int argc, char **argv); int main(int argc, char **argv) { + #if MICROPY_PY_THREAD + mp_thread_init(); + #endif // We should capture stack top ASAP after start, and it should be // captured guaranteedly before any other stack variables are allocated. // For this, actual main (renamed main_) should not be inlined into diff --git a/unix/mpconfigport.mk b/unix/mpconfigport.mk index 5db627b680..4dc59f2fac 100644 --- a/unix/mpconfigport.mk +++ b/unix/mpconfigport.mk @@ -11,6 +11,9 @@ MICROPY_USE_READLINE = 1 # Whether to enable FatFs VFS MICROPY_FATFS = 1 +# _thread module using pthreads +MICROPY_PY_THREAD = 1 + # Subset of CPython termios module MICROPY_PY_TERMIOS = 1 diff --git a/unix/mpthreadport.c b/unix/mpthreadport.c new file mode 100644 index 0000000000..af75be1aa1 --- /dev/null +++ b/unix/mpthreadport.c @@ -0,0 +1,54 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include + +#include "py/mpstate.h" +#include "py/mpthread.h" + +#if MICROPY_PY_THREAD + +STATIC pthread_key_t tls_key; + +void mp_thread_init(void) { + pthread_key_create(&tls_key, NULL); + pthread_setspecific(tls_key, &mp_state_ctx.thread); +} + +mp_state_thread_t *mp_thread_get_state(void) { + return (mp_state_thread_t*)pthread_getspecific(tls_key); +} + +void mp_thread_set_state(void *state) { + pthread_setspecific(tls_key, state); +} + +void mp_thread_create(void *(*entry)(void*), void *arg) { + pthread_t id; + pthread_create(&id, NULL, entry, arg); +} + +#endif // MICROPY_PY_THREAD diff --git a/unix/mpthreadport.h b/unix/mpthreadport.h new file mode 100644 index 0000000000..c506755c16 --- /dev/null +++ b/unix/mpthreadport.h @@ -0,0 +1,35 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef __MICROPY_INCLUDED_UNIX_MPTHREADPORT_H__ +#define __MICROPY_INCLUDED_UNIX_MPTHREADPORT_H__ + +#include + +typedef pthread_mutex_t mp_thread_mutex_t; + +void mp_thread_init(void); + +#endif // __MICROPY_INCLUDED_UNIX_MPTHREADPORT_H__