diff options
| -rw-r--r-- | erts/configure.in | 2 | ||||
| -rw-r--r-- | erts/emulator/sys/unix/erl_child_setup.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/erts/configure.in b/erts/configure.in index 074882532f..6d5eca8966 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1151,7 +1151,7 @@ fi AC_SUBST(ERTS_BUILD_SMP_EMU) -AC_CHECK_FUNCS([posix_fadvise]) +AC_CHECK_FUNCS([posix_fadvise closefrom]) AC_CHECK_HEADERS([linux/falloc.h]) dnl * Old glibcs have broken fallocate64(). Make sure not to use it. AC_CACHE_CHECK([whether fallocate() works],i_cv_fallocate_works,[ diff --git a/erts/emulator/sys/unix/erl_child_setup.c b/erts/emulator/sys/unix/erl_child_setup.c index 7c6e4a2f37..99d2b2a739 100644 --- a/erts/emulator/sys/unix/erl_child_setup.c +++ b/erts/emulator/sys/unix/erl_child_setup.c @@ -89,8 +89,12 @@ main(int argc, char *argv[]) if (sscanf(argv[CS_ARGV_FD_CR_IX], "%d:%d", &from, &to) != 2) return 1; +#if defined(HAVE_CLOSEFROM) + closefrom(from); +#else for (i = from; i <= to; i++) (void) close(i); +#endif if (!(argv[CS_ARGV_WD_IX][0] == '.' && argv[CS_ARGV_WD_IX][1] == '\0') && chdir(argv[CS_ARGV_WD_IX]) < 0) |