From f6dad6a4230bed002b51de0ec8ff34410bac27ec Mon Sep 17 00:00:00 2001 From: Alexander Schmidt Date: Wed, 4 Dec 2013 12:07:06 +0100 Subject: [PATCH] Let outdir be created from rank 0. --- CMakeLists.txt | 3 ++- writeout.cpp | 11 ++++++++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 761a585..0521c1f 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -7,7 +7,7 @@ project(latlib) cmake_minimum_required(VERSION 2.8) -find_package(Boost 1.49 COMPONENTS iostreams REQUIRED) +find_package(Boost 1.49 COMPONENTS filesystem iostreams REQUIRED) include_directories(${Boost_INCLUDE_DIRS}) add_library(lat_configcache configcache.cpp) @@ -19,6 +19,7 @@ target_link_libraries(lat_hypercache lat_configcache lat_writeout) add_library(lat_neigh neigh.cpp) add_library(lat_writeout writeout.cpp) +target_link_libraries(lat_writeout ${Boost_LIBRARIES}) add_library(lat_paraq paraq.cpp) diff --git a/writeout.cpp b/writeout.cpp index af67fb5..e10a9d4 100644 --- a/writeout.cpp +++ b/writeout.cpp @@ -11,6 +11,8 @@ #include #include +#include + using namespace std; string writeout::tstamp(const long& timestamp) @@ -53,7 +55,14 @@ writeout::writeout(const string& wdir, const string& _signature, sprintf(cRank, "%d", rank); fulldir = wdir + "/" + tstamp(timestamp) + "_" + signature + ".tmp"; - mkdir(fulldir.c_str(), 0775); + if (rank==0) + mkdir(fulldir.c_str(), 0775); + else { + while ( ! ( boost::filesystem::exists(fulldir) && boost::filesystem::is_directory(fulldir) ) ) { + cerr << "WRITOUT: Waiting for rank 0 to create out directory." << endl << flush; + sleep(1); + } + } logf.open( (fulldir + "/rank" + cRank + ".log").c_str() ); -- 2.39.5