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Check overflows in c-tor instead of doing it in d-tor

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Test: bionic-unit-tests --gtest_filter=dl*:Dl*
Change-Id: Id3b17a79732155b4e469c43c764afef1dfc59057
This commit is contained in:
Dimitry Ivanov 2017-02-01 12:55:11 -08:00
parent 3c838bbb4a
commit 68e6c03081
1 changed files with 2 additions and 2 deletions
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4
linker/linker.cpp
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@ -462,13 +462,13 @@ ProtectedDataGuard::ProtectedDataGuard() {
if (ref_count_++ == 0) {
protect_data(PROT_READ | PROT_WRITE);
}
}
ProtectedDataGuard::~ProtectedDataGuard() {
if (ref_count_ == 0) { // overflow
__libc_fatal("Too many nested calls to dlopen()");
}
}
ProtectedDataGuard::~ProtectedDataGuard() {
if (--ref_count_ == 0) {
protect_data(PROT_READ);
}