TinyThreads is POSIX threads (pthreads) compatible tiny multi-threading library for 32-bit microcontrollers.
Currently, following processors are supported:
- Intel(Altera) Nios II
- Xilinx Zynq-7000 (Cortex-A9)
Microchip PIC32 (MIPS32 Architecture)
See TinyThreads wiki.
The MIT License
ほとんどの機能は <pthread.h> ヘッダファイルで提供されます。
Most features are provided in <pthread.h> header file.
| Interface | Name | Conforming to | Remarks |
|---|---|---|---|
| Type | pthread_t | POSIX.1-2001 | |
| Function | pthread_create() | POSIX.1-2001 | |
| Function | pthread_exit() | POSIX.1-2001 | |
| Function | pthread_join() | POSIX.1-2001 | |
| Function | pthread_detach() | POSIX.1-2001 | |
| Function | pthread_self() | POSIX.1-2001 | |
| Function | pthread_equal() | POSIX.1-2001 | |
| Type | pthread_attr_t | POSIX.1-2001 | |
| Function | pthread_attr_init() | POSIX.1-2001 | |
| Function | pthread_attr_destroy() | POSIX.1-2001 | |
| Function | pthread_attr_setdetachstate() | POSIX.1-2001 | |
| Function | pthread_attr_getdetachstate() | POSIX.1-2001 | |
| Function | pthread_attr_setschedparam() | POSIX.1-2001 | |
| Function | pthread_attr_getschedparam() | POSIX.1-2001 | |
| Function | pthread_attr_setschedpolicy() | POSIX.1-2001 | |
| Function | pthread_attr_getschedpolicy() | POSIX.1-2001 | |
| Function | pthread_attr_setstack() | POSIX.1-2001 | |
| Function | pthread_attr_getstack() | POSIX.1-2001 | |
| Function | pthread_attr_setstacksize() | POSIX.1-2001 | |
| Function | pthread_attr_getstacksize() | POSIX.1-2001 | |
| Function | sched_get_priority_max() | POSIX.1-2001 | <sched.h> |
| Function | sched_get_priority_min() | POSIX.1-2001 | <sched.h> |
| Function | shced_yield() | POSIX.1-2001 | <sched.h> |
| Interface | Name | Conforming to | Remarks |
|---|---|---|---|
| Type | pthread_mutex_t | POSIX.1-2001 | |
| Macro | PTHREAD_MUTEX_INITIALIZER | POSIX.1-2001 | |
| Function | pthread_mutex_destroy() | POSIX.1-2001 | |
| Function | pthread_mutex_init() | POSIX.1-2001 | |
| Function | pthread_mutex_lock() | POSIX.1-2001 | |
| Function | pthread_mutex_trylock() | POSIX.1-2001 | |
| Function | pthread_mutex_unlock() | POSIX.1-2001 |
| Interface | Name | Conforming to | Remarks |
|---|---|---|---|
| Type | sem_t | POSIX.1-2001 | <semaphore.h> |
| Function | sem_destroy() | POSIX.1-2001 | <semaphore.h> |
| Function | sem_init() | POSIX.1-2001 | <semaphore.h> |
| Function | sem_post() | POSIX.1-2001 | <semaphore.h> Can be used in ISR |
| Function | sem_wait() | POSIX.1-2001 | <semaphore.h> |
| Function | sem_trywait() | POSIX.1-2001 | <semaphore.h> |
| Interface | Name | Conforming to | Remarks |
|---|---|---|---|
| Type | pthread_cond_t | POSIX.1-2001 | |
| Macro | PTHREAD_COND_INITIALIZER | POSIX.1-2001 | |
| Function | pthread_cond_destroy() | POSIX.1-2001 | |
| Function | pthread_cond_init() | POSIX.1-2001 | |
| Function | pthread_cond_broadcast() | POSIX.1-2001 | |
| Function | pthread_cond_signal() | POSIX.1-2001 | |
| Function | pthread_cond_wait() | POSIX.1-2001 |
| Interface | Name | Conforming to | Remarks |
|---|---|---|---|
| Type | pthread_once_t | POSIX.1-2001 | |
| Macro | PTHREAD_ONCE_INIT | POSIX.1-2001 | |
| Function | pthread_once() | POSIX.1-2001 |
以下のAPIは、本来pthreadsのカバーする範囲ではありませんが、マルチスレッド環境に対して効率的な実装をTinyThreadsが提供できるものです。 The following APIs are outside of pthreads but TinyThreads can provide a more effective implementation for multi-threading environment.
| Interface | Name | Conforming to | Remarks |
|---|---|---|---|
| Function | sleep() | POSIX.1-2001 | <unistd.h> |
| Function | usleep() | POSIX.1-2001 | <unistd.h> |
以下に挙げる機能はTinyThreadsが目指す「小さなマルチスレッド環境」に不要と判断され、
削除された機能です。原則として、将来も対応する予定はありません。
The features below are dropped because they are not useful in "tiny" multi-threading environment.
As a general rule, they have never been supported in the future.
- pthread_atfork()
- pthread_cancel()
- pthread_key*()
- pthread_getspecific()
- pthread_setspecific()
- sem_open()
- sem_unlink()
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