diff options
| -rw-r--r-- | lib/libc/gen/Makefile.inc | 2 | ||||
| -rw-r--r-- | lib/libc/gen/Symbol.map | 1 | ||||
| -rw-r--r-- | lib/libc/gen/waitid.c | 65 | ||||
| -rw-r--r-- | lib/libc/include/namespace.h | 1 | ||||
| -rw-r--r-- | lib/libc/include/un-namespace.h | 1 | ||||
| -rw-r--r-- | lib/libc/sys/Symbol.map | 3 |
6 files changed, 72 insertions, 1 deletions
diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc index 2481f28..906f4ce 100644 --- a/lib/libc/gen/Makefile.inc +++ b/lib/libc/gen/Makefile.inc @@ -34,7 +34,7 @@ SRCS+= __getosreldate.c __xuname.c \ syslog.c telldir.c termios.c time.c times.c timezone.c tls.c \ ttyname.c ttyslot.c ualarm.c ulimit.c uname.c unvis.c \ usleep.c utime.c utxdb.c valloc.c vis.c wait.c wait3.c waitpid.c \ - wordexp.c + waitid.c wordexp.c .PATH: ${.CURDIR}/../../contrib/libc-pwcache SRCS+= pwcache.c pwcache.h diff --git a/lib/libc/gen/Symbol.map b/lib/libc/gen/Symbol.map index b4f88ae..f5d4f71 100644 --- a/lib/libc/gen/Symbol.map +++ b/lib/libc/gen/Symbol.map @@ -391,6 +391,7 @@ FBSD_1.3 { pwcache_userdb; pwcache_groupdb; uid_from_user; + waitid; }; FBSDprivate_1.0 { diff --git a/lib/libc/gen/waitid.c b/lib/libc/gen/waitid.c new file mode 100644 index 0000000..795b208 --- /dev/null +++ b/lib/libc/gen/waitid.c @@ -0,0 +1,65 @@ +/*- + * Copyright (c) 2012 Jukka A. Ukkonen + * All rights reserved. + * + * This software was developed by Jukka Ukkonen for FreeBSD. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "namespace.h" +#include <sys/types.h> +#include <sys/wait.h> +#include <stddef.h> +#include <string.h> +#include <signal.h> +#include <errno.h> +#include "un-namespace.h" + +int +__waitid(idtype_t idtype, id_t id, siginfo_t *info, int flags) +{ + int status; + pid_t ret; + + ret = _wait6(idtype, id, &status, flags, NULL, info); + + /* + * According to SUSv4, waitid() shall not return a PID when a + * process is found, but only 0. If a process was actually + * found, siginfo_t fields si_signo and si_pid will be + * non-zero. In case WNOHANG was set in the flags and no + * process was found those fields are set to zero using + * memset() below. + */ + if (ret == 0 && info != NULL) + memset(info, 0, sizeof(*info)); + else if (ret > 0) + ret = 0; + return (ret); +} + +__weak_reference(__waitid, waitid); +__weak_reference(__waitid, _waitid); diff --git a/lib/libc/include/namespace.h b/lib/libc/include/namespace.h index 1e00030..739d7b1 100644 --- a/lib/libc/include/namespace.h +++ b/lib/libc/include/namespace.h @@ -229,6 +229,7 @@ #define socketpair _socketpair #define usleep _usleep #define wait4 _wait4 +#define wait6 _wait6 #define waitpid _waitpid #define write _write #define writev _writev diff --git a/lib/libc/include/un-namespace.h b/lib/libc/include/un-namespace.h index 9c9ce97..f31fa7a 100644 --- a/lib/libc/include/un-namespace.h +++ b/lib/libc/include/un-namespace.h @@ -210,6 +210,7 @@ #undef socketpair #undef usleep #undef wait4 +#undef wait6 #undef waitpid #undef write #undef writev diff --git a/lib/libc/sys/Symbol.map b/lib/libc/sys/Symbol.map index 008b8da..babae30 100644 --- a/lib/libc/sys/Symbol.map +++ b/lib/libc/sys/Symbol.map @@ -384,6 +384,7 @@ FBSD_1.3 { ffclock_getestimate; ffclock_setestimate; posix_fadvise; + wait6; }; FBSDprivate_1.0 { @@ -1019,6 +1020,8 @@ FBSDprivate_1.0 { __sys_vadvise; _wait4; __sys_wait4; + _wait6; + __sys_wait6; _write; __sys_write; _writev; |
