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thread_win32.c: set thread name

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* thread_win32.c (native_set_another_thread_name): set thread name
  by SetThreadDescription.

* win32/win32.c (rb_w32_set_thread_description): dynamically try
  SetThreadDescription.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59660 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-08-26 00:30:03 +00:00
parent c150c7877d
commit 19d692920d
4 changed files with 59 additions and 9 deletions
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42
win32/win32.c
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@ -7857,6 +7857,48 @@ rb_w32_pow(double x, double y)
}
#endif
int
rb_w32_set_thread_description(HANDLE th, const WCHAR *name)
{
int result = FALSE;
typedef HRESULT (WINAPI *set_thread_description_func)(HANDLE, PCWSTR);
static set_thread_description_func set_thread_description =
(set_thread_description_func)-1;
if (set_thread_description == (set_thread_description_func)-1) {
set_thread_description = (set_thread_description_func)
get_proc_address("kernel32", "SetThreadDescription", NULL);
}
if (set_thread_description != (set_thread_description_func)-1) {
result = set_thread_description(th, name);
}
return result;
}
int
rb_w32_set_thread_description_str(HANDLE th, VALUE name)
{
int idx, result = FALSE;
WCHAR *s;
if (NIL_P(name)) {
rb_w32_set_thread_description(th, L"");
return;
}
s = (WCHAR *)StringValueCStr(name);
idx = rb_enc_get_index(name);
if (idx == ENCINDEX_UTF_16LE) {
result = rb_w32_set_thread_description(th, s);
}
else {
name = rb_str_conv_enc(name, rb_enc_from_index(idx), rb_utf8_encoding());
s = mbstr_to_wstr(CP_UTF8, RSTRING_PTR(name), RSTRING_LEN(name)+1, NULL);
result = rb_w32_set_thread_description(th, s);
free(s);
}
RB_GC_GUARD(name);
return result;
}
VALUE (*const rb_f_notimplement_)(int, const VALUE *, VALUE) = rb_f_notimplement;
#if RUBY_MSVCRT_VERSION < 120