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fe4dc1fd71
nslcd tries to close all file descriptors on startup. It does that by calling close() in a loop, running down from _SC_OPEN_MAX to 0. Since _SC_OPEN_MAX autoscales with available RAM, this can take more than a minute on large servers. The solution is to use closefrom. Upstream has already made that change in the master branch, but due to its slow release cadence we're applying it here as well. PR: 266970 Approved by: zi (maintainer) Sponsored by: Axcient
29 lines
954 B
C
29 lines
954 B
C
--- nslcd/invalidator.c.orig 2021-11-15 19:40:49 UTC
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+++ nslcd/invalidator.c
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@@ -1,7 +1,7 @@
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/*
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invalidator.c - functions for invalidating external caches
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- Copyright (C) 2013-2014 Arthur de Jong
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+ Copyright (C) 2013-2022 Arthur de Jong
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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@@ -97,6 +97,9 @@ static void exec_invalidate(const char *db)
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{
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case 0: /* we are the child */
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/* close all file descriptors */
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+#ifdef HAVE_CLOSEFROM
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+ closefrom(0);
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+#else
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i = sysconf(_SC_OPEN_MAX) - 1;
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/* if the system does not have OPEN_MAX just close the first 32 and
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hope we have closed enough */
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@@ -104,6 +107,7 @@ static void exec_invalidate(const char *db)
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i = 32;
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for (; i >= 0; i--)
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close(i);
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+#endif
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/* execute command */
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#ifdef HAVE_EXECVPE
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execvpe(argv[0], argv, newenviron);
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