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authorErlang/OTP <[email protected]>2015-01-30 16:56:52 +0100
committerErlang/OTP <[email protected]>2015-01-30 16:56:52 +0100
commit6bc8b0da4b1369201d1e229f4375f79cdcb2c594 (patch)
treeadf87dbbf9ab0512fc01bd214b5f9b9a2aa2f02c /erts/emulator/sys/unix/sys.c
parent30e91c934635836ebe126b3444e73eb50b506ec0 (diff)
parent7e16e552e24859025e9029c9f24277596b59b3be (diff)
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Merge branch 'egil/fix-child_setup-close/OTP-12446' into maint-17
* egil/fix-child_setup-close/OTP-12446: erts: Use closefrom() if available when closing fds erts: Don't close all fds twice in child_setup
Diffstat (limited to 'erts/emulator/sys/unix/sys.c')
-rw-r--r--erts/emulator/sys/unix/sys.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index eff64b2c11..cd87b320e2 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -1560,9 +1560,13 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op
goto child_error;
}
+#if defined(HAVE_CLOSEFROM)
+ closefrom(opts->use_stdio ? 3 : 5);
+#else
for (i = opts->use_stdio ? 3 : 5; i < max_files; i++)
(void) close(i);
-
+#endif
+
if (opts->wd && chdir(opts->wd) < 0)
goto child_error;