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| author | Jordy Rose <jediknil@belkadan.com> | 2011-08-22 19:01:52 +0000 |
|---|---|---|
| committer | Jordy Rose <jediknil@belkadan.com> | 2011-08-22 19:01:52 +0000 |
| commit | eeb37f1a568185c46f600fb34769ec376bf5bfaf (patch) | |
| tree | 10232a1eb6e6237bb70acb2627d8d1a4e227f7b3 /lib/Support/DynamicLibrary.cpp | |
| parent | 11e03e7c2d0c163e54b911ad1e665616dc0bcc8c (diff) | |
| download | llvm-eeb37f1a568185c46f600fb34769ec376bf5bfaf.tar.gz llvm-eeb37f1a568185c46f600fb34769ec376bf5bfaf.tar.bz2 llvm-eeb37f1a568185c46f600fb34769ec376bf5bfaf.tar.xz | |
Make DynamicLibrary thread-safe w/r/t call to dlerror() after dlopen(). PR10718
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138260 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/DynamicLibrary.cpp')
| -rw-r--r-- | lib/Support/DynamicLibrary.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Support/DynamicLibrary.cpp b/lib/Support/DynamicLibrary.cpp index 5ee6a82ad7..fb02c07e4a 100644 --- a/lib/Support/DynamicLibrary.cpp +++ b/lib/Support/DynamicLibrary.cpp @@ -72,6 +72,8 @@ static DenseSet<void *> *OpenedHandles = 0; DynamicLibrary DynamicLibrary::getPermanentLibrary(const char *filename, std::string *errMsg) { + SmartScopedLock<true> lock(getMutex()); + void *handle = dlopen(filename, RTLD_LAZY|RTLD_GLOBAL); if (handle == 0) { if (errMsg) *errMsg = dlerror(); @@ -85,7 +87,6 @@ DynamicLibrary DynamicLibrary::getPermanentLibrary(const char *filename, handle = RTLD_DEFAULT; #endif - SmartScopedLock<true> lock(getMutex()); if (OpenedHandles == 0) OpenedHandles = new DenseSet<void *>(); |