diff options
| author |   guenther <guenther@openbsd.org> | 2011-11-06 12:15:51 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2011-11-06 12:15:51 +0000 |
| commit | 9b21e0e3ad3a7543cfbc9331f8899d98b97ffba9 (patch) | |
| tree | 58da4aa91f6e16818cb68fbaaaf74b684c1f763a | |
| parent | Document a non-obvious reason why something can't overflow. (diff) | |
| download | wireguard-openbsd-9b21e0e3ad3a7543cfbc9331f8899d98b97ffba9.tar.xz wireguard-openbsd-9b21e0e3ad3a7543cfbc9331f8899d98b97ffba9.zip | |
Copy support for sched_get_priority_{min,max} from libpthread.
Requested by many to ease substitution of librthread for libpthread
| -rw-r--r-- | lib/librthread/Makefile | 4 | ||||
| -rw-r--r-- | lib/librthread/rthread.h | 5 | ||||
| -rw-r--r-- | lib/librthread/sched_prio.c | 44 |
3 files changed, 50 insertions, 3 deletions
diff --git a/lib/librthread/Makefile b/lib/librthread/Makefile index c8670e4abbe..427a8fa0d5b 100644 --- a/lib/librthread/Makefile +++ b/lib/librthread/Makefile @@ -1,4 +1,4 @@ -# $OpenBSD: Makefile,v 1.16 2011/10/17 06:39:20 guenther Exp $ +# $OpenBSD: Makefile,v 1.17 2011/11/06 12:15:51 guenther Exp $ LIB=rthread WANTLINT= @@ -12,7 +12,7 @@ CFLAGS+=-I${LIBCSRCDIR}/arch/${MACHINE_CPU} -I${LIBCSRCDIR}/include .PATH: ${.CURDIR}/arch/${MACHINE_CPU} SRCS= rthread.c rthread_attr.c rthread_sched.c rthread_sync.c rthread_tls.c \ rthread_sig.c rthread_np.c rthread_debug.c rthread_stack.c \ - rthread_libc.c rthread_fork.c rthread_file.c + rthread_libc.c rthread_fork.c rthread_file.c sched_prio.c OBJS+= _atomic_lock.o rfork_thread.o cerror.o diff --git a/lib/librthread/rthread.h b/lib/librthread/rthread.h index 739ec7fa31d..adc0b28f942 100644 --- a/lib/librthread/rthread.h +++ b/lib/librthread/rthread.h @@ -1,4 +1,4 @@ -/* $OpenBSD: rthread.h,v 1.27 2011/11/06 11:48:59 guenther Exp $ */ +/* $OpenBSD: rthread.h,v 1.28 2011/11/06 12:15:51 guenther Exp $ */ /* * Copyright (c) 2004,2005 Ted Unangst <tedu@openbsd.org> * All Rights Reserved. @@ -95,6 +95,9 @@ struct pthread_attr { int create_suspended; }; +#define PTHREAD_MIN_PRIORITY 0 +#define PTHREAD_MAX_PRIORITY 31 + struct rthread_key { int used; void (*destructor)(void *); diff --git a/lib/librthread/sched_prio.c b/lib/librthread/sched_prio.c new file mode 100644 index 00000000000..96e45142463 --- /dev/null +++ b/lib/librthread/sched_prio.c @@ -0,0 +1,44 @@ +/* $OpenBSD: sched_prio.c,v 1.1 2011/11/06 12:15:51 guenther Exp $ */ + +/* + * Copyright (c) 2010 Federico G. Schwindt <fgsch@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for + * any purpose with or without fee is hereby granted, provided that + * the above copyright notice and this permission notice appear in all + * copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE + * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA + * OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#include <pthread.h> +#include <errno.h> +#include "rthread.h" + +int +sched_get_priority_max(int policy) +{ + if (policy < SCHED_FIFO || policy > SCHED_RR) { + errno = EINVAL; + return (-1); + } + return (PTHREAD_MAX_PRIORITY); +} + +int +sched_get_priority_min(int policy) +{ + if (policy < SCHED_FIFO || policy > SCHED_RR) { + errno = EINVAL; + return (-1); + } + return (PTHREAD_MIN_PRIORITY); +} + |