xref: /aosp_15_r20/external/compiler-rt/test/msan/Linux/eventfd.cc (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot // RUN: %clangxx_msan -O0 %s -o %t && %run %t 2>&1
2*7c3d14c8STreehugger Robot 
3*7c3d14c8STreehugger Robot #include <assert.h>
4*7c3d14c8STreehugger Robot #include <sys/eventfd.h>
5*7c3d14c8STreehugger Robot 
6*7c3d14c8STreehugger Robot #include <sanitizer/msan_interface.h>
7*7c3d14c8STreehugger Robot 
main(int argc,char * argv[])8*7c3d14c8STreehugger Robot int main(int argc, char *argv[]) {
9*7c3d14c8STreehugger Robot   int efd = eventfd(42, 0);
10*7c3d14c8STreehugger Robot   assert(efd >= 0);
11*7c3d14c8STreehugger Robot 
12*7c3d14c8STreehugger Robot   eventfd_t v;
13*7c3d14c8STreehugger Robot   int ret = eventfd_read(efd, &v);
14*7c3d14c8STreehugger Robot   assert(ret == 0);
15*7c3d14c8STreehugger Robot   __msan_check_mem_is_initialized(&v, sizeof(v));
16*7c3d14c8STreehugger Robot 
17*7c3d14c8STreehugger Robot   assert(v == 42);
18*7c3d14c8STreehugger Robot }
19