diff options
author | kib <kib@FreeBSD.org> | 2015-04-25 08:14:08 +0000 |
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committer | kib <kib@FreeBSD.org> | 2015-04-25 08:14:08 +0000 |
commit | e8ff65e2ac561fed2737e8a1174939e1ad47dc08 (patch) | |
tree | 6dbb457d25603e6e6c77dfcb3c1c5dff61d15483 /lib/libc/sys | |
parent | d0bd361bd7c5ca81d68ea5ef4c8592f9c863b5e0 (diff) | |
download | FreeBSD-src-e8ff65e2ac561fed2737e8a1174939e1ad47dc08.zip FreeBSD-src-e8ff65e2ac561fed2737e8a1174939e1ad47dc08.tar.gz |
MFC r281712:
Make wait6(2), waitid(3) and ppoll(2) cancellation points.
Diffstat (limited to 'lib/libc/sys')
-rw-r--r-- | lib/libc/sys/Makefile.inc | 2 | ||||
-rw-r--r-- | lib/libc/sys/interposing_table.c | 2 | ||||
-rw-r--r-- | lib/libc/sys/ppoll.c | 51 | ||||
-rw-r--r-- | lib/libc/sys/wait6.c | 52 |
4 files changed, 107 insertions, 0 deletions
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc index 75e41be..fbd28cd 100644 --- a/lib/libc/sys/Makefile.inc +++ b/lib/libc/sys/Makefile.inc @@ -53,6 +53,7 @@ INTERPOSED = \ open \ openat \ poll \ + ppoll \ pselect \ read \ readv \ @@ -69,6 +70,7 @@ INTERPOSED = \ sigwaitinfo \ swapcontext \ wait4 \ + wait6 \ write \ writev diff --git a/lib/libc/sys/interposing_table.c b/lib/libc/sys/interposing_table.c index 4290bc6..c4d1429 100644 --- a/lib/libc/sys/interposing_table.c +++ b/lib/libc/sys/interposing_table.c @@ -76,6 +76,8 @@ interpos_func_t __libc_interposing[INTERPOS_MAX] = { SLOT(spinlock, __libc_spinlock_stub), SLOT(spinunlock, __libc_spinunlock_stub), SLOT(kevent, __sys_kevent), + SLOT(wait6, __sys_wait6), + SLOT(ppoll, __sys_ppoll), }; #undef SLOT diff --git a/lib/libc/sys/ppoll.c b/lib/libc/sys/ppoll.c new file mode 100644 index 0000000..f62fd19 --- /dev/null +++ b/lib/libc/sys/ppoll.c @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2015 The FreeBSD Foundation. + * All rights reserved. + * + * Portions of this software were developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice(s), this list of conditions and the following disclaimer as + * the first lines of this file unmodified other than the possible + * addition of one or more copyright notices. + * 2. Redistributions in binary form must reproduce the above copyright + * notice(s), this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/poll.h> +#include "libc_private.h" + +__weak_reference(__sys_ppoll, __ppoll); + +#pragma weak ppoll +int +ppoll(struct pollfd pfd[], nfds_t nfds, const struct timespec *__restrict + timeout, const sigset_t *__restrict newsigmask) +{ + + return (((int (*)(struct pollfd *, nfds_t, const struct timespec *, + const sigset_t *)) __libc_interposing[INTERPOS_ppoll])(pfd, nfds, + timeout, newsigmask)); +} diff --git a/lib/libc/sys/wait6.c b/lib/libc/sys/wait6.c new file mode 100644 index 0000000..d280a76 --- /dev/null +++ b/lib/libc/sys/wait6.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2015 The FreeBSD Foundation. + * All rights reserved. + * + * Portions of this software were developed by Konstantin Belousov + * under sponsorship from the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice(s), this list of conditions and the following disclaimer as + * the first lines of this file unmodified other than the possible + * addition of one or more copyright notices. + * 2. Redistributions in binary form must reproduce the above copyright + * notice(s), this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/wait.h> +#include <signal.h> +#include "libc_private.h" + +__weak_reference(__sys_wait6, __wait6); + +#pragma weak wait6 +pid_t +wait6(idtype_t idtype, id_t id, int *status, int options, struct __wrusage *ru, + siginfo_t *infop) +{ + + return (((pid_t (*)(idtype_t, id_t, int *, int, struct __wrusage *, + siginfo_t *))__libc_interposing[INTERPOS_wait6])(idtype, id, + status, options, ru, infop)); +} |