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[sanitizer] Another try to fix the test with GLIBC 2.34

This commit is contained in:
Vitaly Buka 2021-11-13 14:47:27 -08:00
parent ed2b77b068
commit 7e980c46ed
1 changed files with 6 additions and 6 deletions
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12
compiler-rt/test/sanitizer_common/TestCases/Linux/sysconf_interceptor_bypass_test.cpp
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@ -1,7 +1,6 @@
// RUN: %clangxx -O2 -ldl %s -o %t && %run %t 2>&1 | FileCheck %s
// RUN: %clangxx -O2 %s -o %t && %run %t 2>&1 | FileCheck %s
#include <stdio.h>
#include <dlfcn.h>
#if !defined(__GLIBC_PREREQ)
#define __GLIBC_PREREQ(a, b) 0
@ -11,10 +10,11 @@
// glbc version 2.16.
#if __GLIBC_PREREQ(2, 16)
extern "C" long sysconf(int name) {
fprintf(stderr, "sysconf wrapper called\n");
auto *addr = (long(*)(int))dlsym(RTLD_NEXT, "sysconf");
if (addr)
return (*addr)(name);
if (name == 158 /*_SC_SIGSTKSZ */) {
// Asan calls it during initialization but late enough to succeed.
return 0x10000;
}
fprintf(stderr, "sysconf wrapper called: %d\n", name);
return 0;
}
#endif // defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 16)