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added mmap/munmap check to configure.ac

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This commit is contained in:
hyung-hwan 2018-03-05 04:08:11 +00:00
parent 2c1b4448be
commit 3eac18548c
5 changed files with 62 additions and 37 deletions
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18
configure vendored
View File

@ -17528,12 +17528,13 @@ fi
done
for ac_header in dlfcn.h
for ac_header in dlfcn.h sys/mman.h
do :
ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
if test "x$ac_cv_header_dlfcn_h" = xyes; then :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_DLFCN_H 1
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
fi
@ -17603,12 +17604,13 @@ _ACEOF
fi
done
for ac_func in isatty
for ac_func in isatty mmap munmap
do :
ac_fn_c_check_func "$LINENO" "isatty" "ac_cv_func_isatty"
if test "x$ac_cv_func_isatty" = xyes; then :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_ISATTY 1
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
fi

8
configure.ac
View File

@ -1,9 +1,5 @@
dnl AC_PREREQ([2.67])
dnl Make sure you change the version information
dnl in include/hcl/conf_*.h whenever you change the version
dnl here. Those files don't depend on autoconf, thus requiring
dnl manual change.
AC_INIT([hcl],[0.1.0],[Chung, Hyung-Hwan (hyunghwan.chung@gmail.com)],[],[http://code.abiyo.net/@hcl])
AC_CONFIG_HEADER([lib/hcl-cfg.h])
@ -121,7 +117,7 @@ dnl check header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stddef.h wchar.h wctype.h errno.h signal.h fcntl.h dirent.h])
AC_CHECK_HEADERS([time.h sys/time.h utime.h spawn.h execinfo.h ucontext.h])
AC_CHECK_HEADERS([dlfcn.h])
AC_CHECK_HEADERS([dlfcn.h sys/mman.h])
dnl check data types
dnl AC_CHECK_TYPE([wchar_t],
@ -137,7 +133,7 @@ AC_CHECK_FUNCS([backtrace backtrace_symbols])
AC_CHECK_FUNCS([makecontext swapcontext getcontext setcontext])
AC_CHECK_FUNCS([clock_nanosleep nanosleep usleep])
AC_CHECK_FUNCS([snprintf _vsnprintf _vsnwprintf])
AC_CHECK_FUNCS([isatty])
AC_CHECK_FUNCS([isatty mmap munmap])
save_LIBS="$LIBS"
AC_SEARCH_LIBS([dlopen], [dl dld], [DL_LIBS="$ac_cv_search_dlopen"])

9
lib/hcl-cfg.h.in
View File

@ -93,6 +93,12 @@
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `mmap' function. */
#undef HAVE_MMAP
/* Define to 1 if you have the `munmap' function. */
#undef HAVE_MUNMAP
/* Define to 1 if you have the `nanosleep' function. */
#undef HAVE_NANOSLEEP
@ -156,6 +162,9 @@
/* Define to 1 if you have the `swapcontext' function. */
#undef HAVE_SWAPCONTEXT
/* Define to 1 if you have the <sys/mman.h> header file. */
#undef HAVE_SYS_MMAN_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H

16
lib/hcl.c
View File

@ -128,13 +128,6 @@ int hcl_init (hcl_t* hcl, hcl_mmgr_t* mmgr, hcl_oow_t heapsz, const hcl_vmprim_t
hcl->log.ptr = (hcl_ooch_t*)hcl_allocmem(hcl, (hcl->log.capa + 1) * HCL_SIZEOF(*hcl->log.ptr));
if (!hcl->log.ptr) goto oops;
/*hcl->permheap = hcl_makeheap (hcl, what is the best size???);
if (!hcl->curheap) goto oops; */
hcl->curheap = hcl_makeheap(hcl, heapsz);
if (!hcl->curheap) goto oops;
hcl->newheap = hcl_makeheap(hcl, heapsz);
if (!hcl->newheap) goto oops;
if (hcl_rbt_init(&hcl->modtab, hcl, HCL_SIZEOF(hcl_ooch_t), 1) <= -1) goto oops;
modtab_inited = 1;
hcl_rbt_setstyle(&hcl->modtab, hcl_getrbtstyle(HCL_RBT_STYLE_INLINE_COPIERS));
@ -149,13 +142,20 @@ int hcl_init (hcl_t* hcl, hcl_mmgr_t* mmgr, hcl_oow_t heapsz, const hcl_vmprim_t
hcl->proc_map_free_first = -1;
hcl->proc_map_free_last = -1;
/*hcl->permheap = hcl_makeheap (hcl, what is the best size???);
if (!hcl->curheap) goto oops; */
hcl->curheap = hcl_makeheap(hcl, heapsz);
if (!hcl->curheap) goto oops;
hcl->newheap = hcl_makeheap(hcl, heapsz);
if (!hcl->newheap) goto oops;
return 0;
oops:
if (modtab_inited) hcl_rbt_fini (&hcl->modtab);
if (hcl->newheap) hcl_killheap (hcl, hcl->newheap);
if (hcl->curheap) hcl_killheap (hcl, hcl->curheap);
if (hcl->permheap) hcl_killheap (hcl, hcl->permheap);
if (modtab_inited) hcl_rbt_fini (&hcl->modtab);
if (hcl->log.ptr) hcl_freemem (hcl, hcl->log.ptr);
hcl->log.capa = 0;
return -1;

46
lib/main.c
View File

@ -83,12 +83,15 @@
# if defined(HAVE_SIGNAL_H)
# include <signal.h>
# endif
# if defined(HAVE_SYS_MMAN_H)
# include <sys/mman.h>
# endif
# include <errno.h>
# include <unistd.h>
# include <fcntl.h>
# include <sys/mman.h>
#endif
#if !defined(HCL_DEFAULT_PFMODPREFIX)
@ -447,47 +450,62 @@ static hcl_ooi_t print_handler (hcl_t* hcl, hcl_iocmd_t cmd, void* arg)
static void* alloc_heap (hcl_t* hcl, hcl_oow_t size)
{
/* It's called when HCL creates a GC heap.
#if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
/* It's called via hcl_makeheap() when HCL creates a GC heap.
* The heap is large in size. I can use a different memory allocation
* function instead of an ordinary malloc */
* function instead of an ordinary malloc.
* upon failure, it doesn't require to set error information as hcl_makeheap()
* set the error number to HCL_EOOMEM. */
#if !defined(MAP_HUGETLB) && (defined(__amd64__) || defined(__x86_64__))
# define MAP_HUGETLB 0x40000
#endif
hcl_oow_t* ptr;
int flags;
hcl_oow_t actual_size;
flags = MAP_PRIVATE | MAP_ANONYMOUS;
#if defined(MAP_HUGETLB)
flags |= MAP_HUGETLB;
#endif
#if defined(MAP_UNINITIALIZED)
flags |= MAP_UNINITIALIZED;
#endif
#if defined(MAP_HUGETLB)
flags |= MAP_HUGETLB;
#endif
#if defined(MAP_UNINITIALIZED)
flags |= MAP_UNINITIALIZED;
#endif
actual_size = HCL_SIZEOF(hcl_oow_t) + size;
actual_size = HCL_ALIGN_POW2(actual_size, 2 * 1024 * 1024);
ptr = (hcl_oow_t*)mmap(NULL, actual_size, PROT_READ | PROT_WRITE, flags, -1, 0);
if (ptr == MAP_FAILED)
{
#if defined(MAP_HUGETLB)
#if defined(MAP_HUGETLB)
flags &= ~MAP_HUGETLB;
ptr = (hcl_oow_t*)mmap(NULL, actual_size, PROT_READ | PROT_WRITE, flags, -1, 0);
if (ptr == MAP_FAILED) return HCL_NULL;
#else
#else
return HCL_NULL;
#endif
#endif
}
*ptr = actual_size;
return (void*)(ptr + 1);
/*return HCL_MMGR_ALLOC(hcl->mmgr, size);*/
#else
return HCL_MMGR_ALLOC(hcl->mmgr, size);
#endif
}
static void free_heap (hcl_t* hcl, void* ptr)
{
#if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
hcl_oow_t* actual_ptr;
actual_ptr = (hcl_oow_t*)ptr - 1;
munmap (actual_ptr, *actual_ptr);
/*return HCL_MMGR_FREE(hcl->mmgr, ptr);*/
#else
return HCL_MMGR_FREE(hcl->mmgr, ptr);
#endif
}
static int write_all (int fd, const char* ptr, hcl_oow_t len)