Date: Sun, 14 Nov 2010 18:42:39 +0000 (UTC) From: Ed Schouten <ed@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r215310 - head/lib/libc/gen Message-ID: <201011141842.oAEIgdqL090361@svn.freebsd.org>
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Author: ed Date: Sun Nov 14 18:42:39 2010 New Revision: 215310 URL: http://svn.freebsd.org/changeset/base/215310 Log: Always set errno to a sane value when pututxline(3) fails. For example, it will now return ESRCH when trying to replace a nonexistent entry with DEAD_PROCESS. Modified: head/lib/libc/gen/pututxline.c Modified: head/lib/libc/gen/pututxline.c ============================================================================== --- head/lib/libc/gen/pututxline.c Sun Nov 14 18:24:12 2010 (r215309) +++ head/lib/libc/gen/pututxline.c Sun Nov 14 18:42:39 2010 (r215310) @@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$"); #include <sys/endian.h> #include <sys/stat.h> #include <sys/uio.h> +#include <errno.h> #include <fcntl.h> #include <stdio.h> #include <string.h> @@ -53,6 +54,7 @@ futx_open(const char *file) /* Safety check: never use broken files. */ if (_fstat(fd, &sb) != -1 && sb.st_size % sizeof(struct futx) != 0) { _close(fd); + errno = EINVAL; return (NULL); } @@ -142,6 +144,7 @@ utx_active_remove(struct futx *fu) } fclose(fp); + errno = ESRCH; return (1); }
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