X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3e7a6085312ea8e0cc7b71adaef4074db9b15892..1873a02acdc52506c010f43b4c78a8b8400dc0de:/src/xbt/memory_map.cpp diff --git a/src/xbt/memory_map.cpp b/src/xbt/memory_map.cpp index 47253334f0..73e2d8d487 100644 --- a/src/xbt/memory_map.cpp +++ b/src/xbt/memory_map.cpp @@ -1,5 +1,4 @@ -/* Copyright (c) 2008-2015. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2008-2017. The SimGrid Team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -128,7 +127,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) memreg.prot |= PROT_EXEC; /* Private (copy-on-write) or shared? */ - memregs.flags = 0; + memreg.flags = 0; if (info.shared) memreg.flags |= MAP_SHARED; else @@ -194,12 +193,13 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) line[read - 1] = '\0'; /* Tokenize the line using spaces as delimiters and store each token in lfields array. We expect 5 tokens for 6 fields */ + char* saveptr = nullptr; // for strtok_r() char* lfields[6]; - lfields[0] = strtok(line, " "); + lfields[0] = strtok_r(line, " ", &saveptr); int i; for (i = 1; i < 6 && lfields[i - 1] != nullptr; i++) { - lfields[i] = std::strtok(nullptr, " "); + lfields[i] = strtok_r(nullptr, " ", &saveptr); } /* Check to see if we got the expected amount of columns */ @@ -208,7 +208,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) /* Ok we are good enough to try to get the info we need */ /* First get the start and the end address of the map */ - char *tok = std::strtok(lfields[0], "-"); + char* tok = strtok_r(lfields[0], "-", &saveptr); if (tok == nullptr) xbt_die("Start and end address of the map are not concatenated by a hyphen (-). Recovery impossible."); @@ -219,7 +219,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) if (*endptr != '\0') xbt_abort(); - tok = std::strtok(nullptr, "-"); + tok = strtok_r(nullptr, "-", &saveptr); if (tok == nullptr) xbt_abort(); @@ -233,7 +233,6 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) xbt_abort(); memreg.prot = 0; - for (i = 0; i < 3; i++){ switch(lfields[1][i]){ case 'r': @@ -252,6 +251,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) if (memreg.prot == 0) memreg.prot |= PROT_NONE; + memreg.flags = 0; if (lfields[1][3] == 'p') { memreg.flags |= MAP_PRIVATE; } else { @@ -269,7 +269,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) xbt_abort(); /* Get the device major:minor bytes */ - tok = std::strtok(lfields[3], ":"); + tok = strtok_r(lfields[3], ":", &saveptr); if (tok == nullptr) xbt_abort(); @@ -278,7 +278,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) if (*endptr != '\0') xbt_abort(); - tok = std::strtok(nullptr, ":"); + tok = strtok_r(nullptr, ":", &saveptr); if (tok == nullptr) xbt_abort(); @@ -340,6 +340,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) memreg.prot |= PROT_EXEC; /* Private (copy-on-write) or shared? */ + memreg.flags = 0; if (vmentries[i].kve_flags & KVME_FLAG_COW) memreg.flags |= MAP_PRIVATE; else @@ -375,8 +376,7 @@ XBT_PRIVATE std::vector get_memory_map(pid_t pid) * later identifies mappings based on the permissions that are expected * when running the Linux kernel. */ - if (vmentries[i].kve_type == KVME_TYPE_VNODE - && ! (vmentries[i].kve_flags & KVME_FLAG_NEEDS_COPY)) + if (vmentries[i].kve_type == KVME_TYPE_VNODE && not(vmentries[i].kve_flags & KVME_FLAG_NEEDS_COPY)) memreg.prot &= ~PROT_WRITE; ret.push_back(std::move(memreg));