X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/b83ad9c88af4715987015ddc91ac93ad749df428..c77b7752704cc065993f337238a81c9f6d2cf20a:/src/smpi/smpi_shared.cpp diff --git a/src/smpi/smpi_shared.cpp b/src/smpi/smpi_shared.cpp index c72dad5cc9..cd4b82093e 100644 --- a/src/smpi/smpi_shared.cpp +++ b/src/smpi/smpi_shared.cpp @@ -38,7 +38,6 @@ #include "private.h" #include "private.hpp" -#include "smpi/smpi_shared_malloc.hpp" #include "xbt/dict.h" #include "xbt/ex.hpp" #include @@ -87,7 +86,7 @@ public: return filename_length == that.filename_length && line == that.line && std::memcmp(filename, that.filename, filename_length) == 0; } - bool operator!=(smpi_source_location const& that) const { return !(*this == that); } + bool operator!=(smpi_source_location const& that) const { return not(*this == that); } }; } @@ -215,22 +214,24 @@ static void *smpi_shared_malloc_local(size_t size, const char *file, int line) #define HUGE_PAGE_SIZE 1<<21 -/* - * Similar to smpi_shared_malloc, but only sharing the blocks described by shared_block_offsets. +/* Similar to smpi_shared_malloc, but only sharing the blocks described by shared_block_offsets. * This array contains the offsets (in bytes) of the block to share. * Even indices are the start offsets (included), odd indices are the stop offsets (excluded). - * For instance, if shared_block_offsets == {27, 42}, then the elements mem[27], mem[28], ..., mem[41] are shared. The others are not. + * For instance, if shared_block_offsets == {27, 42}, then the elements mem[27], mem[28], ..., mem[41] are shared. + * The others are not. */ + void* smpi_shared_malloc_partial(size_t size, size_t* shared_block_offsets, int nb_shared_blocks) { char *huge_page_mount_point = xbt_cfg_get_string("smpi/shared-malloc-hugepage"); bool use_huge_page = huge_page_mount_point[0] != '\0'; #ifndef MAP_HUGETLB /* If the system header don't define that mmap flag */ - xbt_assert(!use_huge_page, "Huge pages are not available on your system, you cannot use the smpi/shared-malloc-hugepage option."); - use_huge_page = 0; + xbt_assert(not use_huge_page, + "Huge pages are not available on your system, you cannot use the smpi/shared-malloc-hugepage option."); + use_huge_page = 0; #endif smpi_shared_malloc_blocksize = static_cast(xbt_cfg_get_double("smpi/shared-malloc-blocksize")); - void *mem, *allocated_ptr; + void* mem; size_t allocated_size; if(use_huge_page) { xbt_assert(smpi_shared_malloc_blocksize == HUGE_PAGE_SIZE, "the block size of shared malloc should be equal to the size of a huge page."); @@ -243,8 +244,7 @@ void* smpi_shared_malloc_partial(size_t size, size_t* shared_block_offsets, int /* First reserve memory area */ - allocated_ptr = mmap(NULL, allocated_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); - + void* allocated_ptr = mmap(NULL, allocated_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); xbt_assert(allocated_ptr != MAP_FAILED, "Failed to allocate %zuMiB of memory. Run \"sysctl vm.overcommit_memory=1\" as root " "to allow big allocations.\n",