return smpi_entry_point_type();
}
-static void smpi_copy_file(std::string src,std::string target, off_t fdin_size, int rank){
-
- int fdin = open(src.c_str(), O_RDONLY);
- xbt_assert(fdin >= 0, "Cannot read from %s. Please make sure that the file exists and is executable.",
- src.c_str());
- int fdout = open(target.c_str(), O_CREAT | O_RDWR, S_IRWXU);
- xbt_assert(fdout >= 0, "Cannot write into %s", target.c_str());
+static void smpi_copy_file(std::string src, std::string target, off_t fdin_size)
+{
+ int fdin = open(src.c_str(), O_RDONLY);
+ xbt_assert(fdin >= 0, "Cannot read from %s. Please make sure that the file exists and is executable.", src.c_str());
+ int fdout = open(target.c_str(), O_CREAT | O_RDWR, S_IRWXU);
+ xbt_assert(fdout >= 0, "Cannot write into %s", target.c_str());
- XBT_DEBUG("Copy %ld bytes into %s", static_cast<long>(fdin_size), target.c_str());
+ XBT_DEBUG("Copy %ld bytes into %s", static_cast<long>(fdin_size), target.c_str());
#if HAVE_SENDFILE
- ssize_t sent_size = sendfile(fdout, fdin, NULL, fdin_size);
- xbt_assert(sent_size == fdin_size,
- "Error while copying %s: only %zd bytes copied instead of %ld (errno: %d -- %s)",
- target.c_str(), sent_size, fdin_size, errno, strerror(errno));
+ ssize_t sent_size = sendfile(fdout, fdin, NULL, fdin_size);
+ xbt_assert(sent_size == fdin_size, "Error while copying %s: only %zd bytes copied instead of %ld (errno: %d -- %s)",
+ target.c_str(), sent_size, fdin_size, errno, strerror(errno));
#else
- const int bufsize = 1024 * 1024 * 4;
- char buf[bufsize];
- while (int got = read(fdin, buf, bufsize)) {
- if (got == -1) {
- xbt_assert(errno == EINTR, "Cannot read from %s", src.c_str());
- } else {
- char* p = buf;
- int todo = got;
- while (int done = write(fdout, p, todo)) {
- if (done == -1) {
- xbt_assert(errno == EINTR, "Cannot write into %s", target.c_str());
- } else {
- p += done;
- todo -= done;
- }
+ const int bufsize = 1024 * 1024 * 4;
+ char buf[bufsize];
+ while (int got = read(fdin, buf, bufsize)) {
+ if (got == -1) {
+ xbt_assert(errno == EINTR, "Cannot read from %s", src.c_str());
+ } else {
+ char* p = buf;
+ int todo = got;
+ while (int done = write(fdout, p, todo)) {
+ if (done == -1) {
+ xbt_assert(errno == EINTR, "Cannot write into %s", target.c_str());
+ } else {
+ p += done;
+ todo -= done;
}
}
}
+ }
#endif
- close(fdin);
- close(fdout);
+ close(fdin);
+ close(fdout);
}
#if not defined(__APPLE__)
+ "_" + std::to_string(getpid())
+ "_" + std::to_string(rank) + ".so";
- smpi_copy_file(executable_copy, target_executable, fdin_size, rank);
+ smpi_copy_file(executable_copy, target_executable, fdin_size);
//if smpi/privatize-libs is set, duplicate pointed lib and link each executable copy to a different one.
std::string target_lib;
for (auto const& libpath : privatize_libs_paths){
target_lib = std::string(pad - std::to_string(rank).length(), '0')
+std::to_string(rank)+libname.substr(pad);
XBT_DEBUG("copy lib %s to %s, with size %lld", libpath.c_str(), target_lib.c_str(), (long long)fdin_size2);
- smpi_copy_file(libpath, target_lib, fdin_size2, rank);
+ smpi_copy_file(libpath, target_lib, fdin_size2);
std::string sedcommand = "sed -i -e 's/"+libname+"/"+target_lib+"/g' "+target_executable;
int ret = system(sedcommand.c_str());