1 files changed, 98 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/system.3 b/src/lib/libc/stdlib/system.3
new file mode 100644
index 0000000000..985adb07de
--- /dev/null
+++ b/src/lib/libc/stdlib/system.3
@@ -0,0 +1,98 @@
+.\" Copyright (c) 1990, 1991 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" the American National Standards Committee X3, on Information
+.\" Processing Systems.
+.\"
+.\" 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. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"     This product includes software developed by the University of
+.\"     California, Berkeley and its contributors.
+.\" 4. 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.
+.\"
+.\"     $OpenBSD: system.3,v 1.5 1996/12/11 23:09:53 tholo Exp $
+.\"
+.Dd June 29, 1991
+.Dt SYSTEM 3
+.Os
+.Sh NAME
+.Nm system
+.Nd pass a command to the shell
+.Sh SYNOPSIS
+.Fd #include <stdlib.h>
+.Ft int
+.Fn system "const char *string"
+.Sh DESCRIPTION
+The
+.Fn system
+function
+hands the argument
+.Fa string
+to the command interpreter
+.Xr sh 1 .
+The calling process waits for the shell to finish executing the command,
+ignoring
+.Dv SIGINT
+and
+.Dv SIGQUIT ,
+and blocking
+.Dv SIGCHLD .
+.Pp
+If
+.Fa string
+is a
+.Dv NULL
+pointer,
+.Fn system
+will return non-zero.
+Otherwise,
+.Fn system
+returns the termination status of the shell in the format specified by 
+.Xr waitpid 2 .
+.Sh RETURN VALUES 
+If a child process cannot be created, or the termination status of
+the shell cannot be obtained, 
+.Fn system
+returns -1 and sets
+.Va errno
+to indicate the error.
+If execution of the shell fails, 
+.Fn system
+returns the termination status for a program that terminates with a call of 
+.Fn exit 127 .
+.Sh SEE ALSO
+.Xr sh 1 ,
+.Xr execve 2 ,
+.Xr waitpid 2 ,
+.Xr popen 3
+.Sh STANDARDS
+The
+.Fn system
+function
+conforms to
+.St -ansiC 
+and
+.St -p1003.2-92 .

diff --git a/src/lib/libc/stdlib/system.3 b/src/lib/libc/stdlib/system.3 new file mode 100644 index 0000000000..985adb07de --- /dev/null +++ b/src/lib/libc/stdlib/system.3
@@ -0,0 +1,98 @@
	1	.\" Copyright (c) 1990, 1991 The Regents of the University of California.
	2	.\" All rights reserved.
	3	.\"
	4	.\" This code is derived from software contributed to Berkeley by
	5	.\" the American National Standards Committee X3, on Information
	6	.\" Processing Systems.
	7	.\"
	8	.\" Redistribution and use in source and binary forms, with or without
	9	.\" modification, are permitted provided that the following conditions
	10	.\" are met:
	11	.\" 1. Redistributions of source code must retain the above copyright
	12	.\" notice, this list of conditions and the following disclaimer.
	13	.\" 2. Redistributions in binary form must reproduce the above copyright
	14	.\" notice, this list of conditions and the following disclaimer in the
	15	.\" documentation and/or other materials provided with the distribution.
	16	.\" 3. All advertising materials mentioning features or use of this software
	17	.\" must display the following acknowledgement:
	18	.\" This product includes software developed by the University of
	19	.\" California, Berkeley and its contributors.
	20	.\" 4. Neither the name of the University nor the names of its contributors
	21	.\" may be used to endorse or promote products derived from this software
	22	.\" without specific prior written permission.
	23	.\"
	24	.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	25	.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	26	.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	27	.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	28	.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	29	.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	30	.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	31	.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	32	.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	33	.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	34	.\" SUCH DAMAGE.
	35	.\"
	36	.\" $OpenBSD: system.3,v 1.5 1996/12/11 23:09:53 tholo Exp $
	37	.\"
	38	.Dd June 29, 1991
	39	.Dt SYSTEM 3
	40	.Os
	41	.Sh NAME
	42	.Nm system
	43	.Nd pass a command to the shell
	44	.Sh SYNOPSIS
	45	.Fd #include <stdlib.h>
	46	.Ft int
	47	.Fn system "const char *string"
	48	.Sh DESCRIPTION
	49	The
	50	.Fn system
	51	function
	52	hands the argument
	53	.Fa string
	54	to the command interpreter
	55	.Xr sh 1 .
	56	The calling process waits for the shell to finish executing the command,
	57	ignoring
	58	.Dv SIGINT
	59	and
	60	.Dv SIGQUIT ,
	61	and blocking
	62	.Dv SIGCHLD .
	63	.Pp
	64	If
	65	.Fa string
	66	is a
	67	.Dv NULL
	68	pointer,
	69	.Fn system
	70	will return non-zero.
	71	Otherwise,
	72	.Fn system
	73	returns the termination status of the shell in the format specified by
	74	.Xr waitpid 2 .
	75	.Sh RETURN VALUES
	76	If a child process cannot be created, or the termination status of
	77	the shell cannot be obtained,
	78	.Fn system
	79	returns -1 and sets
	80	.Va errno
	81	to indicate the error.
	82	If execution of the shell fails,
	83	.Fn system
	84	returns the termination status for a program that terminates with a call of
	85	.Fn exit 127 .
	86	.Sh SEE ALSO
	87	.Xr sh 1 ,
	88	.Xr execve 2 ,
	89	.Xr waitpid 2 ,
	90	.Xr popen 3
	91	.Sh STANDARDS
	92	The
	93	.Fn system
	94	function
	95	conforms to
	96	.St -ansiC
	97	and
	98	.St -p1003.2-92 .