diff options
Diffstat (limited to 'tests/mmaptest.nim')
| -rw-r--r-- | tests/mmaptest.nim | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/tests/mmaptest.nim b/tests/mmaptest.nim index c304920af..84036cbf0 100644 --- a/tests/mmaptest.nim +++ b/tests/mmaptest.nim @@ -4,31 +4,31 @@ include "lib/system/ansi_c" const PageSize = 4096 - PROT_READ = 1 # page can be read - PROT_WRITE = 2 # page can be written - MAP_PRIVATE = 2 # Changes are private + PROT_READ = 1 # page can be read + PROT_WRITE = 2 # page can be written + MAP_PRIVATE = 2 # Changes are private when defined(macosx) or defined(bsd): const MAP_ANONYMOUS = 0x1000 -elif defined(solaris): +elif defined(solaris): const MAP_ANONYMOUS = 0x100 else: var MAP_ANONYMOUS {.importc: "MAP_ANONYMOUS", header: "<sys/mman.h>".}: cint - + proc mmap(adr: pointer, len: int, prot, flags, fildes: cint, off: int): pointer {.header: "<sys/mman.h>".} proc munmap(adr: pointer, len: int) {.header: "<sys/mman.h>".} -proc osAllocPages(size: int): pointer {.inline.} = - result = mmap(nil, size, PROT_READ or PROT_WRITE, +proc osAllocPages(size: int): pointer {.inline.} = + result = mmap(nil, size, PROT_READ or PROT_WRITE, MAP_PRIVATE or MAP_ANONYMOUS, -1, 0) if result == nil or result == cast[pointer](-1): quit 1 - cfprintf(c_stdout, "allocated pages %p..%p\n", result, + cfprintf(c_stdout, "allocated pages %p..%p\n", result, cast[int](result) + size) - + proc osDeallocPages(p: pointer, size: int) {.inline} = cfprintf(c_stdout, "freed pages %p..%p\n", p, cast[int](p) + size) munmap(p, size-1) |