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misc_BM.cc
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misc_BM.cc
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// file misc_BM.cc
// SPDX-License-Identifier: GPL-3.0-or-later
// see https://github.com/bstarynk/bismon/
/***
BISMON
Copyright © 2018 - 2022 CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
contributed by Basile Starynkevitch (working at CEA, LIST, France)
with help from Franck Védrine.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include <fnmatch.h>
#include <map>
#include <new>
#include <set>
#include <vector>
#include <deque>
#include <mutex>
#include <condition_variable>
#include <unordered_map>
#include <string>
#include <atomic>
#include <thread>
#include <ratio>
#include <chrono>
#include <functional>
#include <cmath>
#ifdef BISMONGTK
#include <gtk/gtk.h>
#endif /*BISMONGTK*/
#include <glib.h>
#include "bismon.h"
static_assert (sizeof(std::atomic<objectval_tyBM*>) == sizeof(objectval_tyBM*), "pointer to objects have same size as their atomic");
static_assert (alignof(std::atomic<objectval_tyBM*>) == alignof(objectval_tyBM*), "pointer to objects have same alignment as their atomic");
//// order with strcmp
struct StrcmpLess_BM
{
inline bool operator() (const char*s1, const char*s2) const
{
ASSERT_BM (s1 != nullptr);
ASSERT_BM (s2 != nullptr);
return strcmp(s1,s2)<0;
}
}; // end StrcmpLess_BM
//// order with
struct ValStringLess_BM
{
inline bool operator() ( stringval_tyBM*vs1, stringval_tyBM*vs2) const
{
ASSERT_BM (valtype_BM((const value_tyBM)vs1) == tyString_BM);
ASSERT_BM (valtype_BM((const value_tyBM)vs2) == tyString_BM);
return strcmp(vs1->strv_bytes,vs2->strv_bytes)<0;
}
}; // end ValStringLess_BM
struct ObjectHash_BM
{
inline size_t operator() (const objectval_tyBM*pob) const
{
return objecthash_BM(pob);
};
}; // end Objecthash_BM
struct ObjectLess_BM
{
inline bool operator() (const objectval_tyBM*pob1, const objectval_tyBM*pob2) const
{
return objectcmp_BM(pob1, pob2)<0;
};
}; // end ObjectLess_BM
struct threadinfo_stBM;
// keys are strdup-ed strings, values are objectval_tyBM*
static std::map<const char*,objectval_tyBM*,StrcmpLess_BM> namemap_BM;
// keys are objectval_tyBM*, values are strdup-ed strings
static std::unordered_map<objectval_tyBM*,const char*,ObjectHash_BM> objhashtable_BM;
struct failurelockset_stBM
{
friend void register_failock_BM (struct failurelockset_stBM *,
objectval_tyBM *);
friend void unregister_failock_BM (struct failurelockset_stBM *,
objectval_tyBM *);
std::multiset<objectval_tyBM*,ObjectLess_BM> flhobjset;
failurelockset_stBM () {};
~failurelockset_stBM ()
{
for (objectval_tyBM* ob : flhobjset)
{
ASSERT_BM (valtype_BM(ob) == tyObject_BM);
pthread_mutex_unlock(&ob->ob_mutex);
}
}
friend void initialize_failurelockset_BM(struct failurelockset_stBM *, size_t);
friend void destroy_failurelockset_BM(struct failurelockset_stBM *);
};
struct ModuleData_BM
{
rawid_tyBM mod_id;
void* mod_dlh; // the dlopen handle
objectval_tyBM* mod_obj; // the module object
value_tyBM mod_data; // its data
double mod_dlopentime; // the clocktime CLOCK_REALTIME of successful dlopen
};
static std::map<rawid_tyBM,ModuleData_BM,IdLess_BM> modulemap_BM;
static std::recursive_mutex modulemtx_BM;
unsigned
module_count_BM(void)
{
std::lock_guard<std::recursive_mutex> _g(modulemtx_BM);
return modulemap_BM.size();
} // end module_count_BM
////////////////
bool
validname_BM (const char *nam)
{
if (!nam)
return false;
if (!isalpha (nam[0]))
return false;
const char *pc = nam;
for (; *pc; pc++)
{
if (isalnum (*pc))
continue;
else if (*pc == '_')
{
if (!isalnum (pc[1]))
return false;
if (!isalnum (pc[-1]))
return false;
continue;
}
else
return false;
}
return true;
} /* end validname_BM */
static void
add_predefined_name_BM (const char *name, objectval_tyBM * obj)
{
ASSERT_BM (validname_BM (name));
ASSERT_BM (isobject_BM (obj));
char *dupname = strdup (name);
if (!dupname)
FATAL_BM ("strdup %s failed (%m)", name);
ASSERT_BM (namemap_BM.find(name) == namemap_BM.end());
ASSERT_BM (objhashtable_BM.find(obj) == objhashtable_BM.end());
namemap_BM.insert({dupname,obj});
objhashtable_BM.insert({obj,dupname});
} /* end add_predefined_name_BM */
void
initialize_predefined_names_BM (void)
{
objhashtable_BM.reserve(3*BM_NB_PREDEFINED+100);
#define HAS_NAMED_PREDEF_BM(Nam,Id) \
add_predefined_name_BM(#Nam,PREDEF_BM(Id));
#include "_genbm_predef.h"
} /* end initialize_predefined_names_BM */
const objectval_tyBM *
findnamedobj_BM (const char *nam)
{
if (!nam || !nam[0] || !validname_BM (nam))
return nullptr;
auto it = namemap_BM.find(nam);
if (it != namemap_BM.end())
return it->second;
return nullptr;
} /* end findnamedobj_BM */
const char *
findobjectname_BM (const objectval_tyBM * obj)
{
if (!isobject_BM ((const value_tyBM) obj))
return nullptr;
auto it = objhashtable_BM.find(const_cast<objectval_tyBM*>(obj));
if (it != objhashtable_BM.end())
return it->second;
return nullptr;
} /* end findobjectname_BM */
bool
registername_BM (const objectval_tyBM * obj, const char *nam)
{
static long regcount;
if (!isobject_BM ((const value_tyBM) obj))
return false;
if (!validname_BM (nam))
return false;
if (namemap_BM.find(nam) != namemap_BM.end())
return false;
if (objhashtable_BM.find(const_cast<objectval_tyBM*>(obj))
!= objhashtable_BM.end())
return false;
char *dupname = strdup (nam);
if (!dupname)
FATAL_BM ("strdup %s failed (%m)", nam);
namemap_BM.insert({dupname,const_cast<objectval_tyBM*>(obj)});
objhashtable_BM.emplace(const_cast<objectval_tyBM*>(obj),dupname);
regcount++;
if (regcount % 128)
objhashtable_BM.rehash(0);
return true;
} /* end registername_BM */
bool
forgetnamedobject_BM (const objectval_tyBM * obj)
{
if (!isobject_BM ((const value_tyBM) obj))
return false;
auto itob = objhashtable_BM.find(const_cast<objectval_tyBM*>(obj));
if (itob == objhashtable_BM.end())
return false;
const char* nam = itob->second;
auto itn = namemap_BM.find(nam);
ASSERT_BM (itn != namemap_BM.end() && itn->second == obj);
objhashtable_BM.erase(itob);
namemap_BM.erase(itn);
free ((void*)nam);
return true;
} /* end forgetnamedobject_BM */
bool
forgetnamestring_BM (const char *nam)
{
if (!nam || !validname_BM(nam)) return false;
auto itn = namemap_BM.find(nam);
if (itn == namemap_BM.end())
return false;
objectval_tyBM* ob = itn->second;
ASSERT_BM (isobject_BM(ob));
auto itob = objhashtable_BM.find(ob);
ASSERT_BM (itob != objhashtable_BM.end());
const char*dupnam = itob->second;
objhashtable_BM.erase(itob);
namemap_BM.erase(itn);
free ((void*)dupnam);
return true;
} /* end forgetnamestring_BM */
const setval_tyBM *
setofnamedobjects_BM (void)
{
std::vector<const objectval_tyBM *> vectobj;
vectobj.reserve(namemap_BM.size());
for (auto itn: namemap_BM)
{
const objectval_tyBM* ob = itn.second;
ASSERT_BM (isobject_BM((const value_tyBM)ob));
vectobj.push_back(ob);
};
return makeset_BM(vectobj.data(), vectobj.size());
} // end setofnamedobjects_BM
const setval_tyBM *
setofprefixednamedobjects_BM (const char*prefix)
{
if (!prefix || !prefix[0]) return setofnamedobjects_BM();
int prefixlen = strlen(prefix);
std::vector<const objectval_tyBM *> vectobj;
vectobj.reserve(2*TINYSIZE_BM);
for (auto itn = namemap_BM.lower_bound(prefix);
itn != namemap_BM.end(); itn++)
{
int cmp = strncmp(itn->first, prefix, prefixlen);
if (cmp) break;
const objectval_tyBM* ob = itn->second;
ASSERT_BM (isobject_BM((const value_tyBM)ob));
vectobj.push_back(ob);
}
return makeset_BM(vectobj.data(), vectobj.size());
} // end setofprefixednamedobjects_BM
const setval_tyBM*
setofmatchednamedobjects_BM(const char*fnmatcher)
{
if (!fnmatcher || !fnmatcher[0]) return setofnamedobjects_BM();
std::vector<const objectval_tyBM *> vectobj;
vectobj.reserve(namemap_BM.size()/16+10);
bool allcases = (fnmatcher[0] == '~');
for (auto itn : namemap_BM)
{
const objectval_tyBM* ob = itn.second;
ASSERT_BM (isobject_BM((const value_tyBM)ob));
if (!fnmatch(allcases?(fnmatcher+1):fnmatcher, itn.first,
allcases ? (FNM_EXTMATCH | FNM_CASEFOLD)
: FNM_EXTMATCH))
vectobj.push_back(ob);
}
return makeset_BM(vectobj.data(), vectobj.size());
} // end setofmatchednamedobjects_BM
const char*
findnameafter_BM(const char*prefix)
{
if (!prefix || prefix[0]==(char)0)
{
if (namemap_BM.empty()) return nullptr;
auto firstn = namemap_BM.begin();
return firstn->first;
}
auto itn = namemap_BM.upper_bound(prefix);
if (itn != namemap_BM.end())
return itn->first;
return nullptr;
} // end of findnameafter_BM
const char*
findnamesameorafter_BM(const char*prefix)
{
if (!prefix || prefix[0]==(char)0)
{
if (namemap_BM.empty()) return nullptr;
auto firstn = namemap_BM.begin();
return firstn->first;
}
auto itn = namemap_BM.lower_bound(prefix);
if (itn != namemap_BM.end())
return itn->first;
return nullptr;
} // end of findnamesameorafter_BM
const char*
findnamebefore_BM(const char*prefix)
{
if (!prefix || prefix[0]==(char)0)
{
if (namemap_BM.empty())
return nullptr;
auto lastn = namemap_BM.end();
lastn--;
return lastn->first;
}
auto itn = namemap_BM.lower_bound(prefix);
if (itn != namemap_BM.begin())
itn--;
else
return nullptr;
if (itn != namemap_BM.end())
return itn->first;
return nullptr;
} // end of findnamebefore_BM
////////////////////////////////////////////////////////////////
static std::map<std::string, objectval_tyBM**> mapglobals_BM;
void initialize_globals_BM(void)
{
#define HAS_GLOBAL_BM(Gnam) do { \
ASSERT_BM (mapglobals_BM.find(#Gnam) \
== mapglobals_BM.end()); \
mapglobals_BM[#Gnam] = &GLOBAL_BM(Gnam); \
} while(0);
#include "_genbm_global.h"
} // end of initialize_globals_BM
void
gcmarkglobals_BM(struct garbcoll_stBM*gc)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
for (auto it: mapglobals_BM)
if (it.second && *it.second)
gcobjmark_BM(gc, *it.second);
} // end gcmarkglobals_BM
const node_tyBM *
nodeglobalnames_BM (const objectval_tyBM * connob)
{
if (!isobject_BM((const value_tyBM)connob))
return nullptr;
std::vector<value_tyBM> vecstr;
vecstr.reserve(mapglobals_BM.size());
for (auto it: mapglobals_BM)
{
const std::string& curname = it.first;
vecstr.push_back((value_tyBM)makestring_BM(curname.c_str()));
}
return makenode_BM (connob, vecstr.size(), vecstr.data());
} // end nodeglobalnames_BM
const setval_tyBM *
setglobalobjects_BM(void)
{
std::vector<objectval_tyBM*> vecobj;
std::set<objectval_tyBM*,ObjectLess_BM> setobj;
vecobj.reserve(mapglobals_BM.size());
for (auto it: mapglobals_BM)
{
objectval_tyBM* curob = *(it.second);
if (!curob || valtype_BM((const value_tyBM)curob) != tyObject_BM)
continue;
if (setobj.find (curob) != setobj.end()) continue;
vecobj.push_back(curob);
};
return makeset_BM((const objectval_tyBM**)(vecobj.data()), vecobj.size());
} // end setglobalobjects_BM
bool
open_module_for_loader_BM (const rawid_tyBM modid, struct loader_stBM*ld, struct stackframe_stBM *stkf)
{
struct thisframe
{
STACKFRAMEFIELDS_BM;
objectval_tyBM* modulob;
value_tyBM moduldata;
} _;
memset ((void*)&_, 0, sizeof(_));
_.stkfram_pA.htyp = typayl_StackFrame_BM;
_.stkfram_pA.rlen = (sizeof(_) - sizeof(struct emptystackframe_stBM))/sizeof(value_tyBM);
_.stkfram_prev = stkf;
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
if (modid.id_hi == 0) return false;
char modidbuf[32];
memset (modidbuf, 0, sizeof(modidbuf));
idtocbuf32_BM(modid, modidbuf);
/// module source and binary paths
std::string srcmodpath = //
std::string{bismon_directory} + "/" + MODULESRCDIR_BM + "/" + MODULEPREFIX_BM + modidbuf + ".c";
std::string binmodpath = //
std::string{bismon_directory} + "/" + MODULEBINDIR_BM + "/" + MODULEPREFIX_BM + modidbuf + ".so";
DBGPRINTF_BM("open_module_for_loader_BM modidbuf:%s srcmodpath:%s binmodpath:%s",
modidbuf, srcmodpath.c_str(),
binmodpath.c_str());
struct stat srcmodstat = {};
struct stat binmodstat = {};
if (::stat(srcmodpath.c_str(), &srcmodstat))
{
WARNPRINTF_BM("missing module source %s (%m)\n", srcmodpath.c_str());
return false;
}
bool shouldrebuild = false;
if (::stat(binmodpath.c_str(), &binmodstat))
{
WARNPRINTF_BM("missing module binary %s (%m) related to module source %s\n",
binmodpath.c_str(), srcmodpath.c_str());
shouldrebuild = true;
}
else if (srcmodstat.st_mtime > binmodstat.st_mtime)
{
WARNPRINTF_BM("Bismon module binary %s is older than module source %s by %ld seconds\n",
binmodpath.c_str(), srcmodpath.c_str(),
(unsigned long)(srcmodstat.st_mtime - binmodstat.st_mtime));
/// run a safe ls -l command,assume GNU coreutils ls(1)...
std::string lscmdstr = "/bin/ls -lst --time-style=long-iso ";
ASSERT_BM (binmodpath.c_str() != nullptr);
gchar* quotbinmodcstr = g_shell_quote(binmodpath.c_str());
ASSERT_BM (quotbinmodcstr != nullptr);
lscmdstr += std::string(quotbinmodcstr);
lscmdstr += " ";
ASSERT_BM (srcmodpath.c_str() != nullptr);
gchar* quotsrcmodcstr = g_shell_quote(srcmodpath.c_str());
ASSERT_BM (quotsrcmodcstr != nullptr);
lscmdstr += std::string(quotsrcmodcstr);
lscmdstr += " > /dev/stderr";
DBGPRINTF_BM("lscmdstr: %s", lscmdstr.c_str());
fflush(nullptr);
if (system (lscmdstr.c_str()))
FATAL_BM("failed command %s", lscmdstr.c_str());
g_free(quotbinmodcstr), quotbinmodcstr=nullptr;
g_free(quotsrcmodcstr), quotsrcmodcstr=nullptr;
shouldrebuild = true;
};
if (shouldrebuild)
{
INFOPRINTF_BM("before running %s/persistent-module-build-bismon.sh %s",
bismon_directory, modidbuf);
fflush(nullptr);
usleep (32768);
std::string buildcmd{bismon_directory};
buildcmd += "/persistent-module-build-bismon.sh ";
buildcmd += modidbuf;
int buildret = system(buildcmd.c_str());
if (buildret)
{
WARNPRINTF_BM("module build %s failed with %d",
buildcmd.c_str(), buildret);
return false;
}
else if (!access(binmodpath.c_str(), R_OK))
INFOPRINTF_BM("module of id %s was successfully compiled to binary %s",
modidbuf, binmodpath.c_str());
else
FATAL_BM("unexpected failure of %s to build %s", buildcmd.c_str(), binmodpath.c_str());
if (::stat(binmodpath.c_str(), &binmodstat))
FATAL_BM("unexpected stat failure of %s (%m) after module build", binmodpath.c_str());
}
std::lock_guard<std::recursive_mutex> _g(modulemtx_BM);
if (modulemap_BM.find(modid) != modulemap_BM.end())
{
// module already loaded
DBGPRINTF_BM("open_module_for_loader modid %s already loaded",
modidbuf);
return true;
}
DBGBACKTRACEPRINTF_BM("open_module_for_loader before dlopen %s",
binmodpath.c_str());
void*dlh = dlopen(binmodpath.c_str(), RTLD_NOW | RTLD_GLOBAL);
if (!dlh)
{
WARNPRINTF_BM("module dlopen (of binary module %s) failure %s\n",
binmodpath.c_str(),
dlerror());
return false;
}
DBGPRINTF_BM("open_module_for_loader dlsym-ing module_id_BM in dlh@%p for %s",
dlh, binmodpath.c_str());
const char*modidad = (const char*)dlsym(dlh,"module_id_BM");
if (!modidad || strcmp(modidad,modidbuf))
{
WARNPRINTF_BM("bad module_id_BM in %s : %s\n",
binmodpath.c_str(), (modidad?"modid mismatch":dlerror()));
dlclose(dlh);
return false;
}
objectval_tyBM* objmod = makeobjofid_BM(modid);
if (!objmod)
{
WARNPRINTF_BM("no object for module %s\n", modidbuf);
dlclose(dlh);
return false;
}
_.modulob = objmod;
{
char cwdbuf[128];
memset(cwdbuf, 0, sizeof(cwdbuf));
if (getcwd(cwdbuf, sizeof(cwdbuf)-1))
INFOPRINTF_BM("open_module_for_loader module %s dlopened binary %s from directory %s",
objectdbg_BM(_.modulob), binmodpath.c_str(), cwdbuf);
else
INFOPRINTF_BM("open_module_for_loader module %s dlopened binary %s",
objectdbg_BM(_.modulob), binmodpath.c_str());
}
ld->ld_modhset = hashsetobj_add_BM(ld->ld_modhset, objmod);
(void) modulemap_BM.insert({modid,//
ModuleData_BM{.mod_id=modid,//
.mod_dlh=dlh, //
.mod_obj=_.modulob,//
.mod_data=nullptr,//
.mod_dlopentime = clocktime_BM(CLOCK_REALTIME)}});
////
const closure_tyBM*closloadm = makeclosure1_BM (BMP_load_module, _.modulob);
DBGPRINTF_BM("open_module_for_loader closloadm %s", OUTSTRVALUE_BM((void*)closloadm));
load_addtodo_BM (closloadm);
ld->ld_nbmodules++;
return true;
} // end of open_module_for_loader_BM
extern "C"
void* try_dlsym_routine_BM (objectval_tyBM* ob)
{
void* ad = NULL;
double mtim = clocktime_BM(CLOCK_REALTIME)+0.01;
ASSERT_BM(ob && isobject_BM((value_tyBM) ob));
char idbuf[32];
memset (idbuf, 0, sizeof (idbuf));
idtocbuf32_BM (objid_BM (ob), idbuf);
char routname[48];
memset (routname, 0, sizeof (routname));
objlock_BM (ob);
ad = ob->ob_routaddr;
if (ad != NULL)
{
objunlock_BM(ob);
return ad;
};
snprintf (routname, sizeof (routname),
ROUTINEOBJPREFIX_BM "%s" ROUTINESUFFIX_BM, idbuf);
ad = dlsym_in_modules_and_program_BM(routname);
if (ad != NULL)
{
ob->ob_routaddr = ad;
ob->ob_sig = BMP_function_sig;
};
objunlock_BM(ob);
return ad;
} // end try_dlsym_routine_BM(objectval_tyBM* ob)
void*
dlsym_in_modules_and_program_BM(const char*routname)
{
void* ad = NULL;
ASSERT_BM(routname != NULL && isascii(routname[0]));
double mtim = clocktime_BM(CLOCK_REALTIME)+0.01;
std::lock_guard<std::recursive_mutex> _g(modulemtx_BM);
for (auto modit : modulemap_BM)
{
void* curdlh = modit.second.mod_dlh;
void* curad = dlsym(curdlh, routname);
if (curad && mtim > modit.second.mod_dlopentime)
{
ad = curad;
mtim = modit.second.mod_dlopentime;
};
};
if (ad == NULL)
{
ad = dlsym(dlprog_BM, routname);
};
return ad;
} // end dlsym_in_modules_and_program_BM
extern "C" void postpone_loader_module_BM (objectval_tyBM*modulob, struct stackframe_stBM * stkf);
extern "C" void deferred_do_module_dynload_BM (value_tyBM * valarr, unsigned nbval, void *data);
/// called only indirectly thru agenda defer mechanism, see defer_module_dynload_BM
void deferred_do_module_dynload_BM (value_tyBM * valarr, unsigned nbval, void *data)
{
struct thisframe
{
STACKFRAMEFIELDS_BM;
objectval_tyBM* modulob;
const closure_tyBM* postclos;
value_tyBM arg1v; //
value_tyBM arg2v; //
value_tyBM arg3v; //
value_tyBM modresv; //
value_tyBM appresv; //
} _;
memset ((void*)&_, 0, sizeof(_));
_.stkfram_pA.htyp = typayl_StackFrame_BM;
_.stkfram_pA.rlen = (sizeof(_) - sizeof(struct emptystackframe_stBM))/sizeof(value_tyBM);
_.stkfram_prev = NULL;
ASSERT_BM(nbval == 5);
ASSERT_BM(valarr != NULL);
ASSERT_BM(data != NULL);
char*binmodulpath = (char*)data;
_.modulob = objectcast_BM(valarr[0]);
_.postclos = closurecast_BM(valarr[1]);
_.arg1v = valarr[2];
_.arg2v = valarr[3];
_.arg3v = valarr[4];
char modulidbuf[32];
memset (modulidbuf, 0, sizeof (modulidbuf));
idtocbuf32_BM (objid_BM (_.modulob), modulidbuf);
DBGBACKTRACEPRINTF_BM("deferred_do_module_dynload modulob=%s/%s postclos=%s" //
" arg1=%s arg2=%s arg3=%s binmodulpath=%s",
objectdbg_BM(_.modulob), modulidbuf,
OUTSTRVALUE_BM((value_tyBM)_.postclos),
OUTSTRVALUE_BM(_.arg1v),
OUTSTRVALUE_BM(_.arg2v),
OUTSTRVALUE_BM(_.arg3v),
binmodulpath);
if (!strstr(binmodulpath, modulidbuf))
FATAL_BM("bad binary module path %s for %s /%s", binmodulpath, objectdbg_BM(_.modulob), modulidbuf);
DBGPRINTF_BM("deferred_do_module_dynload before dlopen %s", binmodulpath);
void*dlh = dlopen(binmodulpath, RTLD_NOW | RTLD_GLOBAL);
if (!dlh)
FATAL_BM("module %s dlopen failed for %s : %s", binmodulpath, objectdbg_BM(_.modulob), dlerror());
DBGPRINTF_BM("deferred_do_module_dynload dlsym-ing module_id_BM in dlh@%p for %s", dlh, binmodulpath);
const char*modidad = (const char*)dlsym(dlh,"module_id_BM");
if (!modidad || strcmp(modidad,modulidbuf))
FATAL_BM("bad module_id_BM in %s for %s: %s",
binmodulpath, objectdbg_BM(_.modulob), (modidad?"modid mismatch":dlerror()));
modulemap_BM.insert({objid_BM (_.modulob),ModuleData_BM{.mod_id=objid_BM (_.modulob), .mod_dlh=dlh, .mod_obj=_.modulob, .mod_data=nullptr}});
INFOPRINTF_BM("deferred_do_module_dynload modulob=%s dlopened binmodulpath='%s'",
objectdbg_BM(_.modulob), binmodulpath);
char modulinitname[48];
memset (modulinitname, 0, sizeof(modulinitname));
snprintf(modulinitname, sizeof(modulinitname),
MODULEINITPREFIX_BM "%s" MODULEINITSUFFIX_BM,
modulidbuf);
DBGPRINTF_BM("deferred_do_module_dynload dlsym-ing '%s' in dlh@%p for %s",
modulinitname, dlh, binmodulpath);
moduleinit_sigBM*modinitr = (moduleinit_sigBM*)dlsym(dlh, modulinitname);
if (!modinitr)
FATAL_BM("deferred_do_module_dynload: missing module initializer %s in %s: %s\n",
modulinitname, objectdbg_BM(_.modulob), dlerror());
DBGBACKTRACEPRINTF_BM("deferred_do_module_dynload dlsym-ed modulinitname=%s modinitr@%p", modulinitname, (void*)modinitr);
_.modresv = (*modinitr) (CURFRAME_BM, BMP_dynload_module, _.modulob, nullptr, dlh);
DBGPRINTF_BM("deferred_do_module_dynload after moduleinit of modulob=%s modresv=%s",
objectdbg_BM(_.modulob), OUTSTRVALUE_BM(_.modresv));
binmodulpath[0] = (char)0;
free (binmodulpath), binmodulpath = NULL;
DBGPRINTF_BM("deferred_do_module_dynload before deferapply postclos=%s" //
" arg1=%s arg2=%s arg3=%s",
OUTSTRVALUE_BM((value_tyBM)_.postclos),
OUTSTRVALUE_BM(_.arg1v),
OUTSTRVALUE_BM(_.arg2v),
OUTSTRVALUE_BM(_.arg3v));
do_main_defer_apply3_BM((value_tyBM)_.postclos, _.arg1v, _.arg2v, _.arg3v, CURFRAME_BM);
DBGBACKTRACEPRINTF_BM("deferred_do_module_dynload ending after deferapply postclos=%s" //
" arg1=%s arg2=%s arg3=%s\n",
OUTSTRVALUE_BM((value_tyBM)_.postclos),
OUTSTRVALUE_BM(_.arg1v),
OUTSTRVALUE_BM(_.arg2v),
OUTSTRVALUE_BM(_.arg3v));
} // end deferred_do_module_dynload_BM
void postpone_loader_module_BM (objectval_tyBM*modulobarg, struct stackframe_stBM * stkf) // called from load_module routine
{
struct thisframe
{
STACKFRAMEFIELDS_BM;
objectval_tyBM* modulob;
value_tyBM appresv; //
value_tyBM modresv; //
} _;
memset ((void*)&_, 0, sizeof(_));
_.stkfram_pA.htyp = typayl_StackFrame_BM;
_.stkfram_pA.rlen = (sizeof(_) - sizeof(struct emptystackframe_stBM))/sizeof(value_tyBM);
_.stkfram_prev = stkf;
_.modulob = objectcast_BM(modulobarg);
DBGPRINTF_BM("postpone_loader_module start modulob %s", objectdbg_BM(_.modulob));
char modulidbuf[32];
memset (modulidbuf, 0, sizeof(modulidbuf));
idtocbuf32_BM (objid_BM (_.modulob), modulidbuf);
std::lock_guard<std::recursive_mutex> _g(modulemtx_BM);
auto it = modulemap_BM.find(objid_BM (_.modulob));
ASSERT_BM(it != modulemap_BM.end());
void*dlh = it->second.mod_dlh;
ASSERT_BM(dlh != nullptr);
char modulinitname[48];
memset (modulinitname, 0, sizeof(modulinitname));
snprintf(modulinitname, sizeof(modulinitname),
MODULEINITPREFIX_BM "%s" MODULEINITSUFFIX_BM,
modulidbuf);
DBGPRINTF_BM("postpone_loader_module modulob %s dlsym-ing modulinitname %s in dlh@%p",
objectdbg_BM(_.modulob), modulinitname, (void*)dlh);
moduleinit_sigBM*modinitr = (moduleinit_sigBM*)dlsym(dlh, modulinitname);
if (!modinitr)
FATAL_BM("postpone_loader_module: missing module initializer %s in %s: %s\n",
modulinitname, objectdbg_BM(_.modulob), dlerror());
DBGBACKTRACEPRINTF_BM("postpone_loader_module modulob %s/%s before calling %s",
objectdbg_BM(_.modulob),
modulidbuf,
modulinitname);
_.modresv = (*modinitr) (CURFRAME_BM, BMP_load_module, nullptr, nullptr, dlh);
ASSERT_BM(_.modresv != nullptr);
it->second.mod_data = _.modresv;
DBGPRINTF_BM("postpone_loader_module end modulob %s modresv %s",
objectdbg_BM(_.modulob),
debug_outstr_value_BM(_.modresv, CURFRAME_BM, 0));
} // end postpone_loader_module_BM
void gcmarkmodules_BM(struct garbcoll_stBM*gc)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
std::lock_guard<std::recursive_mutex> _g(modulemtx_BM);
for (auto it: modulemap_BM)
{
gcobjmark_BM(gc, it.second.mod_obj);
VALUEGCPROC_BM(gc, it.second.mod_data, 0);
}
} // end gcmarkmodules_BM
////////////////////////////////////////////////////////////////
typedef std::map<stringval_tyBM*,value_tyBM,ValStringLess_BM> dictmap_claBM;
struct dict_stBM*
dictmake_BM(void)
{
struct dict_stBM*dict = //
(struct dict_stBM*)allocgcty_BM(typayl_dict_BM, sizeof(struct dict_stBM));
static_assert (sizeof (dict->dict_data) >= sizeof(dictmap_claBM), "too small dictdata");
static_assert (alignof (dict->dict_data) >= alignof(dictmap_claBM), "too small dictdata");
new(dict->dict_data) dictmap_claBM();
return dict;
} // end dictmake_BM
void
dictgcmark_BM(struct garbcoll_stBM *gc, struct dict_stBM*dict,
objectval_tyBM* fromob, int depth)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (isdict_BM (dict));
ASSERT_BM (!fromob || isobject_BM(fromob));
uint8_t oldmark = ((typedhead_tyBM *) dict)->hgc;
if (oldmark)
return;
((typedhead_tyBM *)dict)->hgc = MARKGC_BM;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
for (auto& it : dicm)
{
VALUEGCPROC_BM(gc, *(void**) &it.first, depth+1);
VALUEGCPROC_BM(gc, *(void**) &it.second, depth+1);
}
} // end dictgcmark_BM
void dictgcdestroy_BM (struct garbcoll_stBM *gc, struct dict_stBM*dict)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (isdict_BM (dict));
auto& dicm = *(dictmap_claBM*)dict->dict_data;
size_t siz = dicm.size();
dicm.clear();
dicm.~dictmap_claBM();
gc->gc_freedbytes += sizeof(*dict) + siz*2*sizeof(void*);
memset(dict, 0, sizeof(*dict));
free (dict);
} // end dictgcdestroy_BM
void dictgckeep_BM (struct garbcoll_stBM *gc, struct dict_stBM*dict)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (isdict_BM (dict));
auto& dicm = *(dictmap_claBM*)dict->dict_data;
size_t siz = dicm.size();
gc->gc_keptbytes += sizeof(*dict) + siz*2*sizeof(void*);
} // end dictgckeep_BM
value_tyBM
dictget_BM(const struct dict_stBM* dict, const stringval_tyBM*str)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
if (!isstring_BM((const value_tyBM)str))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
auto it = dicm.find(const_cast<stringval_tyBM*>(str));
if (it == dicm.end()) return nullptr;
return it->second;
} // end dictget_BM
unsigned
dictsize_BM(const struct dict_stBM* dict)
{
if (!isdict_BM((const value_tyBM)dict))
return 0;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
return dicm.size();
} // end dictsize_BM
void dictput_BM(struct dict_stBM* dict, const stringval_tyBM*str, const value_tyBM val)
{
if (!isdict_BM((const value_tyBM)dict))
return;
if (!isstring_BM((const value_tyBM)str))
return;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
if (dicm.size() > MAXSIZE_BM)
FATAL_BM("too big dict %lu", (long) dicm.size());
if (val) dicm.insert({const_cast<stringval_tyBM*>(str),(void*)val});
else dicm.erase(const_cast<stringval_tyBM*>(str));
} // end dictput_BM
void dictremove_BM(struct dict_stBM* dict, const stringval_tyBM*str)
{
if (!isdict_BM((const value_tyBM)dict))
return;
if (!isstring_BM((const value_tyBM)str))
return;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
dicm.erase(const_cast<stringval_tyBM*>(str));
} // end dictremove_BM
const stringval_tyBM*
dictfirstkey_BM(struct dict_stBM* dict)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
if (dicm.empty()) return nullptr;
auto firstn = dicm.begin();
return firstn->first;
} // end dictfirstkey_BM
const stringval_tyBM*
dictlastkey_BM(struct dict_stBM* dict)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
if (dicm.empty()) return nullptr;
auto endn = dicm.end();
endn--;
return endn->first;
} // end dictlastkey_BM
const stringval_tyBM*
dictkeyafter_BM(struct dict_stBM* dict, const stringval_tyBM*str)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
if (!isstring_BM((const value_tyBM)str)
|| !bytstring_BM(str)[0])
return nullptr;
auto itn = dicm.upper_bound(const_cast<stringval_tyBM*>(str));
if (itn != dicm.end())
return itn->first;
return nullptr;
} // end of dictkeyafter_BM
extern const stringval_tyBM*
dictkeysameorafter_BM(struct dict_stBM* dict, const stringval_tyBM*str)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
if (!isstring_BM((const value_tyBM)str)
|| !bytstring_BM(str)[0])
return nullptr;
auto itn = dicm.lower_bound(const_cast<stringval_tyBM*>(str));
if (itn != dicm.end())
return itn->first;
return nullptr;
} // end of dictkeysameorafter_BM
const stringval_tyBM*
dictkeybefore_BM(struct dict_stBM* dict, const stringval_tyBM*str)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
if (!isstring_BM((const value_tyBM)str)
|| !bytstring_BM(str)[0])
return nullptr;
auto itn = dicm.lower_bound(const_cast<stringval_tyBM*>(str));
if (itn != dicm.begin())
itn--;
else
return nullptr;
if (itn != dicm.end())
return itn->first;
return nullptr;
} // end dictkeybefore_BM
const node_tyBM*
dictnodeofkeys_BM(struct dict_stBM* dict, const objectval_tyBM*obj)
{
if (!isdict_BM((const value_tyBM)dict))
return nullptr;
if (!isobject_BM((const value_tyBM)obj))
return nullptr;
auto& dicm = *(dictmap_claBM*)dict->dict_data;
value_tyBM*arr = (value_tyBM*) calloc(dicm.size(), sizeof(value_tyBM));
if (!arr) FATAL_BM("calloc failure for %u keys", (unsigned) dicm.size());
int cnt = 0;
for (auto it : dicm)
{
arr[cnt++] = (value_tyBM)it.first;
}
const node_tyBM* nodv = makenode_BM(obj, cnt, arr);
free (arr);
return nodv;
} // end dictnodeofkeys_BM
////////////////////////////////////////////////////////////////