diff options
| author | njoly <njoly@NetBSD.org> | 2017-03-04 11:16:33 +0000 |
|---|---|---|
| committer | njoly <njoly@NetBSD.org> | 2017-03-04 11:16:33 +0000 |
| commit | d76eff8f852598e49fc562c5168995dfef88f389 (patch) | |
| tree | 2cd91e707ba74b8bf4422b99a398727308a6513f /lib/libpthread/pthread_getcpuclockid.c | |
| parent | 5f894c4b28a21db45604539ea5dd44d8185e20ce (diff) | |
Fix {clock,pthread}_getcpuclockid to return an error number on
failure, to match OpenGroup specifications.
Diffstat (limited to 'lib/libpthread/pthread_getcpuclockid.c')
| -rw-r--r-- | lib/libpthread/pthread_getcpuclockid.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/libpthread/pthread_getcpuclockid.c b/lib/libpthread/pthread_getcpuclockid.c index 38d37222139..79c868f1b45 100644 --- a/lib/libpthread/pthread_getcpuclockid.c +++ b/lib/libpthread/pthread_getcpuclockid.c @@ -1,4 +1,4 @@ -/* $NetBSD: pthread_getcpuclockid.c,v 1.1 2016/04/23 23:12:19 christos Exp $ */ +/* $NetBSD: pthread_getcpuclockid.c,v 1.2 2017/03/04 11:16:33 njoly Exp $ */ /*- * Copyright (c) 2016 The NetBSD Foundation, Inc. @@ -30,10 +30,11 @@ */ #include <sys/cdefs.h> #if defined(LIBC_SCCS) && !defined(lint) -__RCSID("$NetBSD: pthread_getcpuclockid.c,v 1.1 2016/04/23 23:12:19 christos Exp $"); +__RCSID("$NetBSD: pthread_getcpuclockid.c,v 1.2 2017/03/04 11:16:33 njoly Exp $"); #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> +#include <errno.h> #include <pthread.h> #include <time.h> @@ -42,5 +43,12 @@ __RCSID("$NetBSD: pthread_getcpuclockid.c,v 1.1 2016/04/23 23:12:19 christos Exp int pthread_getcpuclockid(pthread_t thread, clockid_t *clock_id) { - return clock_getcpuclockid2(P_LWPID, (id_t)thread->pt_lid, clock_id); + int error = 0, saved_errno; + + saved_errno = errno; + if (clock_getcpuclockid2(P_LWPID, (id_t)thread->pt_lid, clock_id) == -1) + error = errno; + errno = saved_errno; + + return error; } |
