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The dependency on the ucontext functions has the potential to keep others from successfully using cpu/native for other platforms. As the Contiki multithreading library typically isn't used at all it's not worth the trouble. So we just limit it to Windows and Linux - where it is known to not only build but actually work. If someone needs the Contiki cpu/native multithreading library on another platform he's certainly welcome to add that platform - hopefully by just activating the codepath that we now made exclusive for Linux for his platform.
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@ -40,7 +40,7 @@
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static void *main_fiber;
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#else /* _WIN32 || __CYGWIN__ */
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#elif defined(__linux)
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#include <stdlib.h>
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#include <signal.h>
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@ -54,7 +54,7 @@ struct mtarch_t {
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static ucontext_t main_context;
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static ucontext_t *running_context;
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#endif /* _WIN32 || __CYGWIN__ */
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#endif /* _WIN32 || __CYGWIN__ || __linux */
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#include "mtarch.h"
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@ -88,7 +88,7 @@ mtarch_start(struct mtarch_thread *thread,
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thread->mt_thread = CreateFiber(0, (LPFIBER_START_ROUTINE)function, data);
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#else /* _WIN32 || __CYGWIN__ */
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#elif defined(__linux)
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thread->mt_thread = malloc(sizeof(struct mtarch_t));
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@ -118,7 +118,7 @@ mtarch_start(struct mtarch_thread *thread,
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makecontext(&((struct mtarch_t *)thread->mt_thread)->context,
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(void (*)(void))function, 1, data);
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#endif /* _WIN32 || __CYGWIN__ */
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#endif /* _WIN32 || __CYGWIN__ || __linux */
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}
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/*--------------------------------------------------------------------------*/
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void
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@ -128,11 +128,11 @@ mtarch_yield(void)
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SwitchToFiber(main_fiber);
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#else /* _WIN32 || __CYGWIN__ */
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#elif defined(__linux)
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swapcontext(running_context, &main_context);
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#endif /* _WIN32 || __CYGWIN__ */
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#endif /* _WIN32 || __CYGWIN__ || __linux */
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}
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/*--------------------------------------------------------------------------*/
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void
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@ -142,13 +142,13 @@ mtarch_exec(struct mtarch_thread *thread)
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SwitchToFiber(thread->mt_thread);
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#else /* _WIN32 || __CYGWIN__ */
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#elif defined(__linux)
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running_context = &((struct mtarch_t *)thread->mt_thread)->context;
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swapcontext(&main_context, running_context);
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running_context = NULL;
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#endif /* _WIN32 || __CYGWIN__ */
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#endif /* _WIN32 || __CYGWIN__ || __linux */
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}
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/*--------------------------------------------------------------------------*/
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void
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@ -158,11 +158,11 @@ mtarch_stop(struct mtarch_thread *thread)
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DeleteFiber(thread->mt_thread);
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#else /* _WIN32 || __CYGWIN__ */
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#elif defined(linux) || defined(__linux)
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free(thread->mt_thread);
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#endif /* _WIN32 || __CYGWIN__ */
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#endif /* _WIN32 || __CYGWIN__ || __linux */
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}
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/*--------------------------------------------------------------------------*/
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void
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