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125 lines
3.7 KiB
125 lines
3.7 KiB
8 years ago
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diff --git a/src/core/memory.d b/src/core/memory.d
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index 0a427055..28408cb7 100644
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--- a/src/core/memory.d
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+++ b/runtime/druntime/src/core/memory.d
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@@ -38,7 +38,7 @@
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*
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* Notes_to_implementors:
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* $(UL
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- * $(LI On POSIX systems, the signals SIGUSR1 and SIGUSR2 are reserved
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+ * $(LI On POSIX systems, the signals `SIGRTMIN` and `SIGRTMIN + 1` are reserved
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* by this module for use in the garbage collector implementation.
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* Typically, they will be used to stop and resume other threads
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* when performing a collection, but an implementation may choose
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diff --git a/src/core/thread.d b/src/core/thread.d
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index 64e6dc18..2c08e6db 100644
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--- a/src/core/thread.d
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+++ b/runtime/druntime/src/core/thread.d
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@@ -1922,7 +1922,7 @@ version( CoreDdoc )
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{
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/**
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* Instruct the thread module, when initialized, to use a different set of
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- * signals besides SIGUSR1 and SIGUSR2 for suspension and resumption of threads.
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+ * signals besides `SIGRTMIN` and `SIGRTMIN + 1` for suspension and resumption of threads.
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* This function should be called at most once, prior to thread_init().
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* This function is Posix-only.
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*/
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@@ -1980,12 +1980,13 @@ extern (C) void thread_init()
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{
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if( suspendSignalNumber == 0 )
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{
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- suspendSignalNumber = SIGUSR1;
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+ suspendSignalNumber = SIGRTMIN;
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}
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if( resumeSignalNumber == 0 )
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{
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- resumeSignalNumber = SIGUSR2;
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+ resumeSignalNumber = SIGRTMIN + 1;
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+ assert(resumeSignalNumber <= SIGRTMAX);
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}
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int status;
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@@ -3975,6 +3976,10 @@ version( LDC )
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version( X86 ) version = CheckFiberMigration;
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version( X86_64 ) version = CheckFiberMigration;
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}
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+ version( Android )
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+ {
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+ version( ARM ) version = CheckFiberMigration;
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+ }
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}
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// Fiber support for SjLj style exceptions
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diff --git a/src/rt/sections_android.d b/src/rt/sections_android.d
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index 60ca9a9a..a662887d 100644
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--- a/src/rt/sections_android.d
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+++ b/runtime/druntime/src/rt/sections_android.d
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@@ -62,12 +62,9 @@ private:
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void initSections()
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{
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pthread_key_create(&_tlsKey, null);
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+ _sections.moduleGroup = ModuleGroup(getModuleInfos());
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- auto mbeg = cast(immutable ModuleInfo**)&__start_minfo;
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- auto mend = cast(immutable ModuleInfo**)&__stop_minfo;
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- _sections.moduleGroup = ModuleGroup(mbeg[0 .. mend - mbeg]);
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-
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- auto pbeg = cast(void*)&_tls_end;
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+ auto pbeg = cast(void*)&_tlsend;
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auto pend = cast(void*)&__bss_end__;
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_sections._gcRanges[0] = pbeg[0 .. pend - pbeg];
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}
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@@ -167,6 +164,38 @@ ref void[] getTLSBlockAlloc()
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__gshared SectionGroup _sections;
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+// This linked list is created by a compiler generated function inserted
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+// into the .ctor list by the compiler.
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+struct ModuleReference
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+{
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+ ModuleReference* next;
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+ ModuleInfo* mod;
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+}
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+
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+extern (C) __gshared immutable(ModuleReference*) _Dmodule_ref; // start of linked list
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+
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+immutable(ModuleInfo*)[] getModuleInfos()
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+out (result)
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+{
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+ foreach(m; result)
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+ assert(m !is null);
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+}
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+body
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+{
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+ size_t len;
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+ immutable(ModuleReference)* mr;
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+
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+ for (mr = _Dmodule_ref; mr; mr = mr.next)
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+ len++;
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+ auto result = (cast(immutable(ModuleInfo)**).malloc(len * size_t.sizeof))[0 .. len];
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+ len = 0;
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+ for (mr = _Dmodule_ref; mr; mr = mr.next)
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+ { result[len] = mr.mod;
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+ len++;
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+ }
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+ return cast(immutable)result;
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+}
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+
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extern(C)
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{
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/* Symbols created by the compiler/linker and inserted into the
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@@ -174,10 +203,8 @@ extern(C)
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*/
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extern __gshared
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{
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- void* __start_deh;
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- void* __stop_deh;
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- void* __start_minfo;
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- void* __stop_minfo;
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+ void* _deh_beg;
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+ void* _deh_end;
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size_t __bss_end__;
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