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please codacy: use long form of negation in C++
[simgrid.git] / src / mc / Process.cpp
index 14f0890..c7f3643 100644 (file)
@@ -81,6 +81,7 @@ static const char* const filtered_libraries[] = {
     "libc++",
     "libcdt",
     "libcgraph",
+    "libcrypto",
     "libcxxrt",
     "libdl",
     "libdw",
@@ -102,7 +103,7 @@ static const char* const filtered_libraries[] = {
 
 static bool is_simgrid_lib(const char* libname)
 {
-  return !strcmp(libname, "libsimgrid");
+  return not strcmp(libname, "libsimgrid");
 }
 
 static bool is_filtered_lib(const char* libname)
@@ -133,7 +134,7 @@ static char* get_lib_name(const char* pathname, struct s_mc_memory_map_re* res)
   map_basename = nullptr;
 
   // Strip the version suffix:
-  if(libname && !regexec(&res->version_re, libname, 1, &match, 0)) {
+  if (libname && not regexec(&res->version_re, libname, 1, &match, 0)) {
     char* temp = libname;
     libname = strndup(temp, match.rm_so);
     free(temp);
@@ -142,12 +143,12 @@ static char* get_lib_name(const char* pathname, struct s_mc_memory_map_re* res)
   return libname;
 }
 
-static ssize_t pread_whole(int fd, void *buf, size_t count, std::uint64_t offset)
+static ssize_t pread_whole(int fd, void *buf, size_t count, off_t offset)
 {
   char* buffer = (char*) buf;
   ssize_t real_count = count;
   while (count) {
-    ssize_t res = pread(fd, buffer, count, (std::int64_t) offset);
+    ssize_t res = pread(fd, buffer, count, offset);
     if (res > 0) {
       count  -= res;
       buffer += res;
@@ -225,16 +226,16 @@ void Process::init()
 
   // Read std_heap (is a struct mdesc*):
   simgrid::mc::Variable* std_heap_var = this->find_variable("__mmalloc_default_mdp");
-  if (!std_heap_var)
+  if (not std_heap_var)
     xbt_die("No heap information in the target process");
-  if(!std_heap_var->address)
+  if (not std_heap_var->address)
     xbt_die("No constant address for this variable");
   this->read_bytes(&this->heap_address, sizeof(struct mdesc*),
     remote(std_heap_var->address),
     simgrid::mc::ProcessIndexDisabled);
 
-  this->smx_process_infos.clear();
-  this->smx_old_process_infos.clear();
+  this->smx_actors_infos.clear();
+  this->smx_dead_actors_infos.clear();
   this->unw_addr_space = simgrid::mc::UnwindContext::createUnwindAddressSpace();
   this->unw_underlying_addr_space = simgrid::unw::create_addr_space();
   this->unw_underlying_context = simgrid::unw::create_context(
@@ -247,8 +248,10 @@ Process::~Process()
     close(this->memory_file);
 
   if (this->unw_underlying_addr_space != unw_local_addr_space) {
-    unw_destroy_addr_space(this->unw_underlying_addr_space);
-    _UPT_destroy(this->unw_underlying_context);
+    if (this->unw_underlying_addr_space)
+      unw_destroy_addr_space(this->unw_underlying_addr_space);
+    if (this->unw_underlying_context)
+      _UPT_destroy(this->unw_underlying_context);
   }
 
   unw_destroy_addr_space(this->unw_addr_space);
@@ -262,7 +265,7 @@ Process::~Process()
 void Process::refresh_heap()
 {
   // Read/dereference/refresh the std_heap pointer:
-  if (!this->heap)
+  if (not this->heap)
     this->heap = std::unique_ptr<s_xbt_mheap_t>(new s_xbt_mheap_t());
   this->read_bytes(this->heap.get(), sizeof(struct mdesc),
     remote(this->heap_address), simgrid::mc::ProcessIndexDisabled);
@@ -320,7 +323,7 @@ void Process::init_memory_map_info()
 
     // [stack], [vvar], [vsyscall], [vdso] ...
     if (pathname[0] == '[') {
-      if ((reg.prot & PROT_WRITE) && !memcmp(pathname, "[stack]", 7)) {
+      if ((reg.prot & PROT_WRITE) && not memcmp(pathname, "[stack]", 7)) {
         this->maestro_stack_start_ = remote(reg.start_addr);
         this->maestro_stack_end_ = remote(reg.end_addr);
       }
@@ -335,11 +338,11 @@ void Process::init_memory_map_info()
     if (!(reg.prot & PROT_READ) && (reg.prot & PROT_EXEC))
       continue;
 
-    const bool is_executable = !i;
+    const bool is_executable = not i;
     char* libname = nullptr;
-    if (!is_executable) {
+    if (not is_executable) {
       libname = get_lib_name(pathname, &res);
-      if(!libname)
+      if (not libname)
         continue;
       if (is_filtered_lib(libname)) {
         free(libname);
@@ -439,7 +442,7 @@ void Process::read_variable(const char* name, void* target, size_t size) const
 
 std::string Process::read_string(RemotePtr<char> address) const
 {
-  if (!address)
+  if (not address)
     return {};
 
   // TODO, use std::vector with .data() in C++17 to avoid useless copies
@@ -497,9 +500,8 @@ const void *Process::read_bytes(void* buffer, std::size_t size,
     }
 #endif
   }
-
-  if (pread_whole(this->memory_file, buffer, size, address.address()) < 0)
-    xbt_die("Read from process %lli failed", (long long) this->pid_);
+  if (pread_whole(this->memory_file, buffer, size, (size_t) address.address()) < 0)
+    xbt_die("Read at %p from process %lli failed", (void*)address.address(), (long long)this->pid_);
   return buffer;
 }
 
@@ -511,7 +513,7 @@ const void *Process::read_bytes(void* buffer, std::size_t size,
  */
 void Process::write_bytes(const void* buffer, size_t len, RemotePtr<void> address)
 {
-  if (pwrite_whole(this->memory_file, buffer, len, address.address()) < 0)
+  if (pwrite_whole(this->memory_file, buffer, len,  (size_t)address.address()) < 0)
     xbt_die("Write to process %lli failed", (long long) this->pid_);
 }
 
@@ -643,16 +645,16 @@ void Process::ignore_local_variable(const char *var_name, const char *frame_name
     info->remove_local_variable(var_name, frame_name);
 }
 
-std::vector<simgrid::mc::SimixProcessInformation>& Process::simix_processes()
+std::vector<simgrid::mc::ActorInformation>& Process::actors()
 {
   this->refresh_simix();
-  return smx_process_infos;
+  return smx_actors_infos;
 }
 
-std::vector<simgrid::mc::SimixProcessInformation>& Process::old_simix_processes()
+std::vector<simgrid::mc::ActorInformation>& Process::dead_actors()
 {
   this->refresh_simix();
-  return smx_old_process_infos;
+  return smx_dead_actors_infos;
 }
 
 void Process::dumpStack()