X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ea9cce21b6d3f37823143217f1ca183bb2f0c9ac..573a49afcc1a146f9776a7a772d87efd9db77657:/src/mc/memory_map.cpp?ds=sidebyside diff --git a/src/mc/memory_map.cpp b/src/mc/memory_map.cpp index db0fcce64e..52bfa70e04 100644 --- a/src/mc/memory_map.cpp +++ b/src/mc/memory_map.cpp @@ -16,20 +16,25 @@ extern "C" { XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_memory_map, mc, "Logging specific to algorithms for memory_map"); -memory_map_t MC_get_memory_map(pid_t pid) +} + +namespace simgrid { +namespace mc { + +std::vector get_memory_map(pid_t pid) { /* Open the actual process's proc maps file and create the memory_map_t */ /* to be returned. */ char* path = bprintf("/proc/%i/maps", (int) pid); FILE *fp = fopen(path, "r"); - free(path); if(fp == NULL) perror("fopen failed"); xbt_assert(fp, "Cannot open %s to investigate the memory map of the process.", path); + free(path); setbuf(fp, NULL); - memory_map_t ret = xbt_new0(s_memory_map_t, 1); + std::vector ret; /* Read one line at the time, parse it and add it to the memory map to be returned */ ssize_t read; /* Number of bytes readed */ @@ -62,9 +67,9 @@ memory_map_t MC_get_memory_map(pid_t pid) if (tok == NULL) xbt_abort(); - s_map_region_t memreg; /* temporal map region used for creating the map */ + VmMap memreg; char *endptr; - memreg.start_addr = (void *) strtoul(tok, &endptr, 16); + memreg.start_addr = strtoull(tok, &endptr, 16); /* Make sure that the entire string was an hex number */ if (*endptr != '\0') xbt_abort(); @@ -73,7 +78,7 @@ memory_map_t MC_get_memory_map(pid_t pid) if (tok == NULL) xbt_abort(); - memreg.end_addr = (void *) strtoul(tok, &endptr, 16); + memreg.end_addr = strtoull(tok, &endptr, 16); /* Make sure that the entire string was an hex number */ if (*endptr != '\0') xbt_abort(); @@ -109,7 +114,7 @@ memory_map_t MC_get_memory_map(pid_t pid) memreg.flags |= MAP_SHARED; /* Get the offset value */ - memreg.offset = (void *) strtoul(lfields[2], &endptr, 16); + memreg.offset = strtoull(lfields[2], &endptr, 16); /* Make sure that the entire string was an hex number */ if (*endptr != '\0') xbt_abort(); @@ -139,32 +144,21 @@ memory_map_t MC_get_memory_map(pid_t pid) xbt_abort(); /* And finally get the pathname */ - memreg.pathname = xbt_strdup(lfields[5]); + if (lfields[5]) + memreg.pathname = lfields[5]; /* Create space for a new map region in the region's array and copy the */ /* parsed stuff from the temporal memreg variable */ XBT_DEBUG("Found region for %s", - memreg.pathname ? memreg.pathname : "(null)"); - ret->regions = (map_region_t) - xbt_realloc(ret->regions, sizeof(memreg) * (ret->mapsize + 1)); - memcpy(ret->regions + ret->mapsize, &memreg, sizeof(memreg)); - ret->mapsize++; + !memreg.pathname.empty() ? memreg.pathname.c_str() : "(null)"); + ret.push_back(std::move(memreg)); } free(line); fclose(fp); - return ret; + return std::move(ret); } -void MC_free_memory_map(memory_map_t map){ - - int i; - for(i=0; i< map->mapsize; i++){ - xbt_free(map->regions[i].pathname); - } - xbt_free(map->regions); - xbt_free(map); } - }