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Fix GCC 8 cast warnings

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Silences the following warnings when compiling with GCC 8.
The fix is to use an intermediate pointer to anonymous function:

```
misc.cpp: In function 'int WinProcGroup::get_group(size_t)':
misc.cpp:241:77: warning: cast between incompatible function types from 'FARPROC' {aka 'long long int (*)()'} to 'fun1_t' {aka 'bool (*)(_LOGICAL_PROCESSOR_RELATIONSHIP, _SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX*, long unsigned int*)'} [-Wcast-function-type]
   auto fun1 = (fun1_t)GetProcAddress(k32, "GetLogicalProcessorInformationEx");
                                                                             ^
misc.cpp: In function 'void WinProcGroup::bindThisThread(size_t)':
misc.cpp:309:71: warning: cast between incompatible function types from 'FARPROC' {aka 'long long int (*)()'} to 'fun2_t' {aka 'bool (*)(short unsigned int, _GROUP_AFFINITY*)'} [-Wcast-function-type]
   auto fun2 = (fun2_t)GetProcAddress(k32, "GetNumaNodeProcessorMaskEx");
                                                                       ^
misc.cpp:310:67: warning: cast between incompatible function types from 'FARPROC' {aka 'long long int (*)()'} to 'fun3_t' {aka 'bool (*)(void*, const _GROUP_AFFINITY*, _GROUP_AFFINITY*)'} [-Wcast-function-type]
   auto fun3 = (fun3_t)GetProcAddress(k32, "SetThreadGroupAffinity");
                                                                   ^
```

No functional change.
This commit is contained in:
Michael An 2018-06-20 21:05:27 -04:00 • committed by Stéphane Nicolet
parent 745160572f
commit 06a853eb9c
1 changed files with 3 additions and 3 deletions
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6
src/misc.cpp
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@ -238,7 +238,7 @@ int get_group(size_t idx) {
// Early exit if the needed API is not available at runtime
HMODULE k32 = GetModuleHandle("Kernel32.dll");
auto fun1 = (fun1_t)GetProcAddress(k32, "GetLogicalProcessorInformationEx");
auto fun1 = (fun1_t)(void(*)())GetProcAddress(k32, "GetLogicalProcessorInformationEx");
if (!fun1)
return -1;
@ -306,8 +306,8 @@ void bindThisThread(size_t idx) {
// Early exit if the needed API are not available at runtime
HMODULE k32 = GetModuleHandle("Kernel32.dll");
auto fun2 = (fun2_t)GetProcAddress(k32, "GetNumaNodeProcessorMaskEx");
auto fun3 = (fun3_t)GetProcAddress(k32, "SetThreadGroupAffinity");
auto fun2 = (fun2_t)(void(*)())GetProcAddress(k32, "GetNumaNodeProcessorMaskEx");
auto fun3 = (fun3_t)(void(*)())GetProcAddress(k32, "SetThreadGroupAffinity");
if (!fun2 || !fun3)
return;