diff options
Diffstat (limited to 'lib/libsys')
| -rw-r--r-- | lib/libsys/Makefile.sys | 10 | ||||
| -rw-r--r-- | lib/libsys/creat.2 | 59 | ||||
| -rw-r--r-- | lib/libsys/creat.c | 50 | ||||
| -rw-r--r-- | lib/libsys/lockf.c | 83 | ||||
| -rw-r--r-- | lib/libsys/recv.c | 49 | ||||
| -rw-r--r-- | lib/libsys/recvmmsg.c | 94 | ||||
| -rw-r--r-- | lib/libsys/send.c | 49 | ||||
| -rw-r--r-- | lib/libsys/sendmmsg.c | 61 | ||||
| -rw-r--r-- | lib/libsys/sleep.c | 69 | ||||
| -rw-r--r-- | lib/libsys/usleep.c | 53 | ||||
| -rw-r--r-- | lib/libsys/wait.c | 51 | ||||
| -rw-r--r-- | lib/libsys/wait3.c | 51 | ||||
| -rw-r--r-- | lib/libsys/waitid.c | 69 | ||||
| -rw-r--r-- | lib/libsys/waitpid.c | 51 |
14 files changed, 799 insertions, 0 deletions
diff --git a/lib/libsys/Makefile.sys b/lib/libsys/Makefile.sys index 2c7472ebad06..42409c35121b 100644 --- a/lib/libsys/Makefile.sys +++ b/lib/libsys/Makefile.sys @@ -34,6 +34,10 @@ SRCS+= \ SRCS+= getdents.c lstat.c mknod.c stat.c +SRCS+= creat.c +SRCS+= lockf.c sleep.c usleep.c wait.c wait3.c waitpid.c waitid.c +SRCS+= recv.c recvmmsg.c send.c sendmmsg.c + NOASM+= sched_getcpu.o PSEUDO+= _sched_getcpu.o @@ -177,6 +181,7 @@ MAN+= abort2.2 \ cpuset.2 \ cpuset_getaffinity.2 \ cpuset_getdomain.2 \ + creat.2 \ dup.2 \ eventfd.2 \ execve.2 \ @@ -356,6 +361,11 @@ MAN+= abort2.2 \ write.2 \ _umtx_op.2 +MAN+= \ + lockf.3 \ + sleep.3 \ + usleep.3 + MLINKS+=aio_read.2 aio_readv.2 MLINKS+=aio_write.2 aio_writev.2 MLINKS+=accept.2 accept4.2 diff --git a/lib/libsys/creat.2 b/lib/libsys/creat.2 new file mode 100644 index 000000000000..c15c68e445c0 --- /dev/null +++ b/lib/libsys/creat.2 @@ -0,0 +1,59 @@ +.\" Copyright (c) 1989, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" 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. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. +.\" +.Dd September 4, 2019 +.Dt CREAT 2 +.Os +.Sh NAME +.Nm creat +.Nd create a new file +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In fcntl.h +.Ft int +.Fn creat "const char *path" "mode_t mode" +.Sh DESCRIPTION +.Bf -symbolic +This interface is made obsolete by: +.Ef +.Xr open 2 . +.Pp +The +.Fn creat +function +is the same as: +.Bd -literal -offset indent +open(path, O_CREAT | O_TRUNC | O_WRONLY, mode); +.Ed +.Sh SEE ALSO +.Xr open 2 +.Sh HISTORY +The +.Fn creat +function appeared in +.At v1 . diff --git a/lib/libsys/creat.c b/lib/libsys/creat.c new file mode 100644 index 000000000000..9bc1db19de1d --- /dev/null +++ b/lib/libsys/creat.c @@ -0,0 +1,50 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "namespace.h" +#include <fcntl.h> +#include "un-namespace.h" +#include "libc_private.h" + +__weak_reference(__creat, creat); +__weak_reference(__creat, _creat); + +int __creat(const char *path, mode_t mode); + +#pragma weak creat +int +__creat(const char *path, mode_t mode) +{ + return (((int (*)(int, const char *, int, ...)) + __libsys_interposing[INTERPOS_openat])(AT_FDCWD, path, O_WRONLY | + O_CREAT | O_TRUNC, mode)); +} + diff --git a/lib/libsys/lockf.c b/lib/libsys/lockf.c new file mode 100644 index 000000000000..bb98ebc1be82 --- /dev/null +++ b/lib/libsys/lockf.c @@ -0,0 +1,83 @@ +/* $NetBSD: lockf.c,v 1.3 2008/04/28 20:22:59 martin Exp $ */ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 1997 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Klaus Klein. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 "namespace.h" +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#include "un-namespace.h" +#include "libc_private.h" + +int +lockf(int filedes, int function, off_t size) +{ + struct flock fl; + int cmd; + + fl.l_start = 0; + fl.l_len = size; + fl.l_whence = SEEK_CUR; + + switch (function) { + case F_ULOCK: + cmd = F_SETLK; + fl.l_type = F_UNLCK; + break; + case F_LOCK: + cmd = F_SETLKW; + fl.l_type = F_WRLCK; + break; + case F_TLOCK: + cmd = F_SETLK; + fl.l_type = F_WRLCK; + break; + case F_TEST: + fl.l_type = F_WRLCK; + if (((int (*)(int, int, ...)) + __libsys_interposing[INTERPOS_fcntl])(filedes, F_GETLK, &fl) + == -1) + return (-1); + if (fl.l_type == F_UNLCK || (fl.l_sysid == 0 && + fl.l_pid == getpid())) + return (0); + errno = EAGAIN; + return (-1); + /* NOTREACHED */ + default: + errno = EINVAL; + return (-1); + /* NOTREACHED */ + } + + return (((int (*)(int, int, ...)) + __libsys_interposing[INTERPOS_fcntl])(filedes, cmd, &fl)); +} diff --git a/lib/libsys/recv.c b/lib/libsys/recv.c new file mode 100644 index 000000000000..db3d6216ed61 --- /dev/null +++ b/lib/libsys/recv.c @@ -0,0 +1,49 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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/types.h> +#include <sys/socket.h> +#include "libc_private.h" + +#include <stddef.h> + +ssize_t +recv(int s, void *buf, size_t len, int flags) +{ + /* + * POSIX says recv() shall be a cancellation point, so call the + * cancellation-enabled recvfrom() and not _recvfrom(). + */ + return (((ssize_t (*)(int, void *, size_t, int, + struct sockaddr *, socklen_t *)) + __libsys_interposing[INTERPOS_recvfrom])(s, buf, len, flags, + NULL, NULL)); +} diff --git a/lib/libsys/recvmmsg.c b/lib/libsys/recvmmsg.c new file mode 100644 index 000000000000..24c4abf58287 --- /dev/null +++ b/lib/libsys/recvmmsg.c @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2016 Boris Astardzhiev, Smartcom-Bulgaria AD + * All rights reserved. + * + * 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/types.h> +#include <sys/socket.h> +#include <errno.h> +#include <poll.h> +#include <stddef.h> +#include "libc_private.h" + +ssize_t +recvmmsg(int s, struct mmsghdr *__restrict msgvec, size_t vlen, int flags, + const struct timespec *__restrict timeout) +{ + struct pollfd pfd[1]; + size_t i, rcvd; + ssize_t ret; + int res; + short ev; + + if (timeout != NULL) { + pfd[0].fd = s; + pfd[0].revents = 0; + pfd[0].events = ev = POLLIN | POLLRDNORM | POLLRDBAND | + POLLPRI; + res = ppoll(&pfd[0], 1, timeout, NULL); + if (res == -1 || res == 0) + return (res); + if (pfd[0].revents & POLLNVAL) { + errno = EBADF; + return (-1); + } + if ((pfd[0].revents & ev) == 0) { + errno = ETIMEDOUT; + return (-1); + } + } + + ret = __sys_recvmsg(s, &msgvec[0].msg_hdr, flags); + if (ret == -1) + return (ret); + + msgvec[0].msg_len = ret; + + /* + * Do non-blocking receive for second and later messages if + * WAITFORONE is set. + */ + if (flags & MSG_WAITFORONE) + flags |= MSG_DONTWAIT; + + rcvd = 1; + for (i = rcvd; i < vlen; i++, rcvd++) { + ret = __sys_recvmsg(s, &msgvec[i].msg_hdr, flags); + if (ret == -1) { + /* We have received messages. Let caller know + * about the data received, socket error is + * returned on next invocation. + */ + return (rcvd); + } + + /* Save received bytes. */ + msgvec[i].msg_len = ret; + } + + return (rcvd); +} diff --git a/lib/libsys/send.c b/lib/libsys/send.c new file mode 100644 index 000000000000..94983553b1c3 --- /dev/null +++ b/lib/libsys/send.c @@ -0,0 +1,49 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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/types.h> +#include <sys/socket.h> +#include "libc_private.h" + +#include <stddef.h> + +ssize_t +send(int s, const void *msg, size_t len, int flags) +{ + /* + * POSIX says send() shall be a cancellation point, so call the + * cancellation-enabled sendto() and not _sendto(). + */ + return (((ssize_t (*)(int, const void *, size_t, int, + const struct sockaddr *, socklen_t)) + __libsys_interposing[INTERPOS_sendto])(s, msg, len, flags, + NULL, 0)); +} diff --git a/lib/libsys/sendmmsg.c b/lib/libsys/sendmmsg.c new file mode 100644 index 000000000000..41eb62d1e0c8 --- /dev/null +++ b/lib/libsys/sendmmsg.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2016 Boris Astardzhiev, Smartcom-Bulgaria AD + * All rights reserved. + * + * 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/types.h> +#include <sys/socket.h> +#include "libc_private.h" + +ssize_t +sendmmsg(int s, struct mmsghdr *__restrict msgvec, size_t vlen, int flags) +{ + size_t i, sent; + ssize_t ret; + + sent = 0; + for (i = 0; i < vlen; i++, sent++) { + ret = __sys_sendmsg(s, &msgvec[i].msg_hdr, flags); + if (ret == -1) { + if (sent != 0) { + /* + * We have sent messages. Let caller + * know about the data sent, socket + * error is returned on next + * invocation. + */ + return (sent); + } + return (ret); + } + + /* Save sent bytes. */ + msgvec[i].msg_len = ret; + } + + return (sent); +} diff --git a/lib/libsys/sleep.c b/lib/libsys/sleep.c new file mode 100644 index 000000000000..7d0fa5332ecc --- /dev/null +++ b/lib/libsys/sleep.c @@ -0,0 +1,69 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "namespace.h" +#include <errno.h> +#include <limits.h> +#include <time.h> +#include <unistd.h> +#include "un-namespace.h" + +#include "libc_private.h" + +unsigned int __sleep(unsigned int); + +unsigned int +__sleep(unsigned int seconds) +{ + struct timespec time_to_sleep; + struct timespec time_remaining; + + /* + * Avoid overflow when `seconds' is huge. This assumes that + * the maximum value for a time_t is >= INT_MAX. + */ + if (seconds > INT_MAX) + return (seconds - INT_MAX + __sleep(INT_MAX)); + + time_to_sleep.tv_sec = seconds; + time_to_sleep.tv_nsec = 0; + if (((int (*)(const struct timespec *, struct timespec *)) + __libsys_interposing[INTERPOS_nanosleep])( + &time_to_sleep, &time_remaining) != -1) + return (0); + if (errno != EINTR) + return (seconds); /* best guess */ + return (time_remaining.tv_sec + + (time_remaining.tv_nsec != 0)); /* round up */ +} + +__weak_reference(__sleep, sleep); +__weak_reference(__sleep, _sleep); diff --git a/lib/libsys/usleep.c b/lib/libsys/usleep.c new file mode 100644 index 000000000000..efd5ee0d1667 --- /dev/null +++ b/lib/libsys/usleep.c @@ -0,0 +1,53 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "namespace.h" +#include <time.h> +#include <unistd.h> +#include "un-namespace.h" + +#include "libc_private.h" + +int __usleep(useconds_t); + +int +__usleep(useconds_t useconds) +{ + struct timespec time_to_sleep; + + time_to_sleep.tv_nsec = (useconds % 1000000) * 1000; + time_to_sleep.tv_sec = useconds / 1000000; + return (((int (*)(const struct timespec *, struct timespec *)) + __libsys_interposing[INTERPOS_nanosleep])(&time_to_sleep, NULL)); +} + +__weak_reference(__usleep, usleep); +__weak_reference(__usleep, _usleep); diff --git a/lib/libsys/wait.c b/lib/libsys/wait.c new file mode 100644 index 000000000000..c400d07f9dd5 --- /dev/null +++ b/lib/libsys/wait.c @@ -0,0 +1,51 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "namespace.h" +#include <sys/types.h> +#include <sys/time.h> +#include <sys/wait.h> +#include <sys/resource.h> +#include "un-namespace.h" + +#include "libc_private.h" + +pid_t __wait(int *); + +pid_t +__wait(int *istat) +{ + return (((pid_t (*)(pid_t, int *, int, struct rusage *)) + __libsys_interposing[INTERPOS_wait4])(WAIT_ANY, istat, 0, NULL)); +} + +__weak_reference(__wait, wait); +__weak_reference(__wait, _wait); diff --git a/lib/libsys/wait3.c b/lib/libsys/wait3.c new file mode 100644 index 000000000000..40baf70ac6e6 --- /dev/null +++ b/lib/libsys/wait3.c @@ -0,0 +1,51 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "namespace.h" +#include <sys/types.h> +#include <sys/time.h> +#include <sys/wait.h> +#include <sys/resource.h> +#include "un-namespace.h" + +#include "libc_private.h" + +pid_t __wait3(int *, int, struct rusage *); + +pid_t +__wait3(int *istat, int options, struct rusage *rup) +{ + return (((pid_t (*)(pid_t, int *, int, struct rusage *)) + __libsys_interposing[INTERPOS_wait4])(WAIT_ANY, istat, options, + rup)); +} + +__weak_reference(__wait3, wait3); diff --git a/lib/libsys/waitid.c b/lib/libsys/waitid.c new file mode 100644 index 000000000000..b6e5ca33eed3 --- /dev/null +++ b/lib/libsys/waitid.c @@ -0,0 +1,69 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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 "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" +#include "libc_private.h" + +int __waitid(idtype_t, id_t, siginfo_t *, int); + +int +__waitid(idtype_t idtype, id_t id, siginfo_t *info, int flags) +{ + int status; + pid_t ret; + + ret = ((pid_t (*)(idtype_t, id_t, int *, int, struct __wrusage *, + siginfo_t *))__libsys_interposing[INTERPOS_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/libsys/waitpid.c b/lib/libsys/waitpid.c new file mode 100644 index 000000000000..ba7e667218cf --- /dev/null +++ b/lib/libsys/waitpid.c @@ -0,0 +1,51 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * 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. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "namespace.h" +#include <sys/types.h> +#include <sys/time.h> +#include <sys/wait.h> +#include <sys/resource.h> +#include "un-namespace.h" + +#include "libc_private.h" + +pid_t __waitpid(pid_t, int *, int); + +pid_t +__waitpid(pid_t pid, int *istat, int options) +{ + return (((pid_t (*)(pid_t, int *, int, struct rusage *)) + __libsys_interposing[INTERPOS_wait4])(pid, istat, options, NULL)); +} + +__weak_reference(__waitpid, waitpid); +__weak_reference(__waitpid, _waitpid); |