static void smpi_get_executable_global_size()
{
- char buffer[PATH_MAX];
- const char* full_name = realpath(simgrid::xbt::binary_name.c_str(), buffer);
- xbt_assert(full_name != nullptr, "Could not resolve real path of binary file '%s'",
- simgrid::xbt::binary_name.c_str());
+ char* buffer = realpath(simgrid::xbt::binary_name.c_str(), nullptr);
+ xbt_assert(buffer != nullptr, "Could not resolve real path of binary file '%s'", simgrid::xbt::binary_name.c_str());
+ std::string full_name = buffer;
+ free(buffer);
std::vector<simgrid::xbt::VmMap> map = simgrid::xbt::get_memory_map(getpid());
for (auto i = map.begin(); i != map.end() ; ++i) {
/* Here we are making the assumption that a suitable empty region
following the rw- area is the end of the data segment. It would
be better to check with the size of the data segment. */
- ++i;
- if (i != map.end() && i->pathname.empty() && (i->prot & PROT_RWX) == PROT_RW &&
- (char*)i->start_addr == smpi_data_exe_start + smpi_data_exe_size) {
+ auto j = i + 1;
+ if (j != map.end() && j->pathname.empty() && (j->prot & PROT_RWX) == PROT_RW &&
+ (char*)j->start_addr == smpi_data_exe_start + smpi_data_exe_size) {
// Only count the portion of this region not present in the initial map.
- auto found = std::find_if(initial_vm_map.begin(), initial_vm_map.end(), [&i](const simgrid::xbt::VmMap& m) {
- return i->start_addr <= m.start_addr && m.start_addr < i->end_addr;
+ auto found = std::find_if(initial_vm_map.begin(), initial_vm_map.end(), [&j](const simgrid::xbt::VmMap& m) {
+ return j->start_addr <= m.start_addr && m.start_addr < j->end_addr;
});
- auto end_addr = (found == initial_vm_map.end() ? i->end_addr : found->start_addr);
+ auto end_addr = (found == initial_vm_map.end() ? j->end_addr : found->start_addr);
smpi_data_exe_size = (char*)end_addr - smpi_data_exe_start;
}
return;
return mem;
}
-/** Map a given SMPI privatization segment (make a SMPI process active)
+/** Map a given SMPI privatization segment (make an SMPI process active)
*
* When doing a state restoration, the state of the restored variables might not be consistent with the state of the
* virtual memory. In this case, we to change the data segment.