diff options
Diffstat (limited to 'package/wvstreams/0001-fix-uClibc-compile-getcontext.patch')
-rw-r--r-- | package/wvstreams/0001-fix-uClibc-compile-getcontext.patch | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/package/wvstreams/0001-fix-uClibc-compile-getcontext.patch b/package/wvstreams/0001-fix-uClibc-compile-getcontext.patch deleted file mode 100644 index c78cc1893c..0000000000 --- a/package/wvstreams/0001-fix-uClibc-compile-getcontext.patch +++ /dev/null @@ -1,273 +0,0 @@ -Fix wvstreams so that it builds with uClibc, which does not have the -getcontext() and setcontext() functions. - -Signed-off-by: Simon Dawson <spdawson@gmail.com> - -diff -Nurp a/include/wvtask.h b/include/wvtask.h ---- a/include/wvtask.h 2008-07-14 20:11:35.000000000 +0100 -+++ b/include/wvtask.h 2012-07-28 12:29:53.559981240 +0100 -@@ -28,6 +28,13 @@ - - #define WVTASK_MAGIC 0x123678 - -+#undef HAVE_GETCONTEXT -+#ifdef HAVE_GETCONTEXT -+typedef ucontext_t TaskContext; -+#else -+typedef jmp_buf TaskContext; -+#endif -+ - class WvTaskMan; - - /** Represents a single thread of control. */ -@@ -54,8 +61,8 @@ class WvTask - bool running, recycled; - - WvTaskMan &man; -- ucontext_t mystate; // used for resuming the task -- ucontext_t func_call, func_return; -+ TaskContext mystate; // used for resuming the task -+ TaskContext func_call, func_return; - - TaskFunc *func; - void *userdata; -@@ -94,13 +101,13 @@ class WvTaskMan - static void call_func(WvTask *task); - - static char *stacktop; -- static ucontext_t stackmaster_task; -+ static TaskContext stackmaster_task; - - static WvTask *stack_target; -- static ucontext_t get_stack_return; -+ static TaskContext get_stack_return; - - static WvTask *current_task; -- static ucontext_t toplevel; -+ static TaskContext toplevel; - - WvTaskMan(); - virtual ~WvTaskMan(); -diff -Nurp a/utils/wvtask.cc b/utils/wvtask.cc ---- a/utils/wvtask.cc 2009-05-13 22:42:52.000000000 +0100 -+++ b/utils/wvtask.cc 2012-07-28 12:32:23.855974538 +0100 -@@ -60,12 +60,14 @@ int WvTask::taskcount, WvTask::numtasks, - WvTaskMan *WvTaskMan::singleton; - int WvTaskMan::links, WvTaskMan::magic_number; - WvTaskList WvTaskMan::all_tasks, WvTaskMan::free_tasks; --ucontext_t WvTaskMan::stackmaster_task, WvTaskMan::get_stack_return, -+TaskContext WvTaskMan::stackmaster_task, WvTaskMan::get_stack_return, - WvTaskMan::toplevel; - WvTask *WvTaskMan::current_task, *WvTaskMan::stack_target; - char *WvTaskMan::stacktop; - -+#ifdef HAVE_GETCONTEXT - static int context_return; -+#endif - - - static bool use_shared_stack() -@@ -198,9 +200,13 @@ WvTaskMan::WvTaskMan() - - stacktop = (char *)alloca(0); - -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(&get_stack_return) == 0); - if (context_return == 0) -+#else -+ if (setjmp(get_stack_return) == 0) -+#endif - { - // initial setup - start the stackmaster() task (never returns!) - stackmaster(); -@@ -257,22 +263,30 @@ int WvTaskMan::run(WvTask &task, int val - - WvTask *old_task = current_task; - current_task = &task; -- ucontext_t *state; -+ TaskContext *state; - - if (!old_task) - state = &toplevel; // top-level call (not in an actual task yet) - else - state = &old_task->mystate; - -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(state) == 0); - int newval = context_return; -+#else -+ int newval = setjmp(*state); -+#endif - if (newval == 0) - { - // saved the state, now run the task. -+#ifdef HAVE_GETCONTEXT - context_return = val; - setcontext(&task.mystate); - return -1; -+#else -+ longjmp(task.mystate, val); -+#endif - } - else - { -@@ -317,16 +331,24 @@ int WvTaskMan::yield(int val) - (long)current_task->stacksize); - } - #endif -- -+ -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(¤t_task->mystate) == 0); - int newval = context_return; -+#else -+ int newval = setjmp(current_task->mystate); -+#endif - if (newval == 0) - { - // saved the task state; now yield to the toplevel. -+#ifdef HAVE_GETCONTEXT - context_return = val; - setcontext(&toplevel); - return -1; -+#else -+ longjmp(toplevel, val); -+#endif - } - else - { -@@ -340,9 +362,13 @@ int WvTaskMan::yield(int val) - - void WvTaskMan::get_stack(WvTask &task, size_t size) - { -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(&get_stack_return) == 0); - if (context_return == 0) -+#else -+ if (setjmp(get_stack_return) == 0) -+#endif - { - assert(magic_number == -WVTASK_MAGIC); - assert(task.magic_number == WVTASK_MAGIC); -@@ -358,6 +384,7 @@ void WvTaskMan::get_stack(WvTask &task, - static char *next_stack_addr = NULL; - #endif - -+#ifndef HAVE_GETCONTEXT - task.stack = mmap(next_stack_addr, task.stacksize, - PROT_READ | PROT_WRITE, - #ifndef MACOS -@@ -366,12 +393,17 @@ void WvTaskMan::get_stack(WvTask &task, - MAP_PRIVATE, - #endif - -1, 0); -+#endif // !HAVE_GETCONTEXT - } - - // initial setup - stack_target = &task; -+#ifdef HAVE_GETCONTEXT - context_return = size/1024 + (size%1024 > 0); - setcontext(&stackmaster_task); -+#else -+ longjmp(stackmaster_task, size/1024 + (size%1024 > 0)); -+#endif - } - else - { -@@ -408,9 +440,13 @@ void WvTaskMan::_stackmaster() - { - assert(magic_number == -WVTASK_MAGIC); - -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(&stackmaster_task) == 0); - val = context_return; -+#else -+ val = setjmp(stackmaster_task); -+#endif - if (val == 0) - { - assert(magic_number == -WVTASK_MAGIC); -@@ -418,8 +454,12 @@ void WvTaskMan::_stackmaster() - // just did setjmp; save stackmaster's current state (with - // all current stack allocations) and go back to get_stack - // (or the constructor, if that's what called us) -+#ifdef HAVE_GETCONTEXT - context_return = 1; - setcontext(&get_stack_return); -+#else -+ longjmp(get_stack_return, 1); -+#endif - } - else - { -@@ -462,7 +502,9 @@ void WvTaskMan::call_func(WvTask *task) - task->func(task->userdata); - Dprintf("WvTaskMan: returning from task #%d (%s)\n", - task->tid, (const char *)task->name); -+#ifdef HAVE_GETCONTEXT - context_return = 1; -+#endif - } - - -@@ -473,9 +515,13 @@ void WvTaskMan::do_task() - assert(task->magic_number == WVTASK_MAGIC); - - // back here from longjmp; someone wants stack space. -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(&task->mystate) == 0); - if (context_return == 0) -+#else -+ if (setjmp(task->mystate) == 0) -+#endif - { - // done the setjmp; that means the target task now has - // a working jmp_buf all set up. Leave space on the stack -@@ -510,6 +556,7 @@ void WvTaskMan::do_task() - } - else - { -+#ifdef HAVE_GETCONTEXT - assert(getcontext(&task->func_call) == 0); - task->func_call.uc_stack.ss_size = task->stacksize; - task->func_call.uc_stack.ss_sp = task->stack; -@@ -519,11 +566,19 @@ void WvTaskMan::do_task() - task->tid, (const char *)task->name); - makecontext(&task->func_call, - (void (*)(void))call_func, 1, task); -+#else -+ assert(setjmp(task->func_call) == 0); -+#endif - -+#ifdef HAVE_GETCONTEXT - context_return = 0; - assert(getcontext(&task->func_return) == 0); - if (context_return == 0) - setcontext(&task->func_call); -+#else -+ if (setjmp(task->func_return) == 0) -+ longjmp(task->func_call, 0); -+#endif - } - - // the task's function terminated. -@@ -544,8 +599,12 @@ const void *WvTaskMan::current_top_of_st - if (use_shared_stack() || current_task == NULL) - return __libc_stack_end; - else -+#ifdef HAVE_GETCONTEXT - return (const char *)current_task->stack + current_task->stacksize; - #else -+ return 0; -+#endif -+#else - return 0; - #endif - } |