Date: Mon, 19 Nov 2018 18:23:18 +0000 (UTC) From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340641 - head/lib/libc/gen Message-ID: <201811191823.wAJINIfp093945@repo.freebsd.org>
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Author: trasz Date: Mon Nov 19 18:23:17 2018 New Revision: 340641 URL: https://svnweb.freebsd.org/changeset/base/340641 Log: Make sysconf(_SC_PAGESIZE) return the value from getpagesize(3). That avoids a syscall - getpagesize(3) gets the value from the ELF aux strings. Reviewed by: kib MFC after: 2 weeks Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D17989 Modified: head/lib/libc/gen/sysconf.c Modified: head/lib/libc/gen/sysconf.c ============================================================================== --- head/lib/libc/gen/sysconf.c Mon Nov 19 18:12:39 2018 (r340640) +++ head/lib/libc/gen/sysconf.c Mon Nov 19 18:23:17 2018 (r340641) @@ -291,10 +291,7 @@ do_NAME_MAX: mib[1] = CTL_P1003_1B_MQ_OPEN_MAX; goto yesno; case _SC_PAGESIZE: - defaultresult = getpagesize(); - mib[0] = CTL_P1003_1B; - mib[1] = CTL_P1003_1B_PAGESIZE; - goto yesno; + return (getpagesize()); case _SC_RTSIG_MAX: mib[0] = CTL_P1003_1B; mib[1] = CTL_P1003_1B_RTSIG_MAX;
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