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author | ed <ed@FreeBSD.org> | 2010-11-14 18:42:39 +0000 |
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committer | ed <ed@FreeBSD.org> | 2010-11-14 18:42:39 +0000 |
commit | 120866d788da6f5cffcbd8531995e0512c2701a1 (patch) | |
tree | f97c3fbf624a289c2a435a48dd6fba61e7eb244a /lib/libc | |
parent | 336fd1996df470b1167f39d51c1bd90e7947c827 (diff) | |
download | FreeBSD-src-120866d788da6f5cffcbd8531995e0512c2701a1.zip FreeBSD-src-120866d788da6f5cffcbd8531995e0512c2701a1.tar.gz |
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.
Diffstat (limited to 'lib/libc')
-rw-r--r-- | lib/libc/gen/pututxline.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libc/gen/pututxline.c b/lib/libc/gen/pututxline.c index 3b2c7a8..5a9bab9 100644 --- a/lib/libc/gen/pututxline.c +++ b/lib/libc/gen/pututxline.c @@ -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); } |