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macos: fix memleaks in uv__get_cpu_speed

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ERROR: LeakSanitizer: detected memory leaks

```
Direct leak of 432 byte(s) in 9 object(s) allocated from:
    #0 0x1062eedc2 in __sanitizer_mz_calloc+0x92 (libclang_rt.asan_osx_dynamic.dylib:x86_64+0x46dc2)
    #1 0x7fff20171eb6 in _malloc_zone_calloc+0x3a (libsystem_malloc.dylib:x86_64+0x1beb6)
    #2 0x7fff203ac180 in _CFRuntimeCreateInstance+0x124 (CoreFoundation:x86_64h+0x4180)
    #3 0x7fff203ab906 in __CFStringCreateImmutableFunnel3+0x84d (CoreFoundation:x86_64h+0x3906)
    #4 0x7fff203ab0a1 in CFStringCreateWithCString+0x48 (CoreFoundation:x86_64h+0x30a1)
    #5 0x1056f63e1 in uv__get_cpu_speed darwin.c:267
    #6 0x1056f491e in uv_cpu_info darwin.c:338
```

PR-URL: https://github.com/libuv/libuv/pull/3098
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
This commit is contained in:
George Zhao 2021-01-18 21:41:45 +08:00 committed by Santiago Gimeno
parent 580d1d98e0
commit d2482ae121
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1 changed files with 5 additions and 0 deletions
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src/unix/darwin.c
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@ -305,6 +305,11 @@ static int uv__get_cpu_speed(uint64_t* speed) {
err = 0;
out:
if (device_type_str != NULL)
pCFRelease(device_type_str);
if (clock_frequency_str != NULL)
pCFRelease(clock_frequency_str);
if (core_foundation_handle != NULL)
dlclose(core_foundation_handle);