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authorAaron Campbell <aaron@cvs.openbsd.org>2001-03-14 04:02:01 +0000
committerAaron Campbell <aaron@cvs.openbsd.org>2001-03-14 04:02:01 +0000
commitca102b8c7c9d7f7f56d1a05d1752249787dde7ce (patch)
tree93476a0c68bffe34575aa39a26e35baf6005bd54
parent5fa7af14537e02bed8529ebebd334b16c7905af6 (diff)
Move description of exect() to execve(2) man page. Add a note about exect() not
being portable.
-rw-r--r--lib/libc/gen/Makefile.inc6
-rw-r--r--lib/libc/gen/exec.320
-rw-r--r--lib/libc/sys/Makefile.inc3
-rw-r--r--lib/libc/sys/execve.219
4 files changed, 26 insertions, 22 deletions
diff --git a/lib/libc/gen/Makefile.inc b/lib/libc/gen/Makefile.inc
index 819eacc8839..71dc08e9e8b 100644
--- a/lib/libc/gen/Makefile.inc
+++ b/lib/libc/gen/Makefile.inc
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile.inc,v 1.27 2000/11/21 00:51:30 millert Exp $
+# $OpenBSD: Makefile.inc,v 1.28 2001/03/14 04:02:00 aaron Exp $
# gen sources
.PATH: ${LIBCSRCDIR}/arch/${MACHINE_ARCH}/gen ${LIBCSRCDIR}/gen
@@ -78,8 +78,8 @@ MLINKS+=directory.3 closedir.3 directory.3 dirfd.3 directory.3 opendir.3 \
directory.3 telldir.3 directory.3 readdir_r.3
MLINKS+=err.3 verr.3 err.3 errx.3 err.3 verrx.3 err.3 warn.3 err.3 vwarn.3 \
err.3 warnx.3 err.3 vwarnx.3
-MLINKS+=exec.3 execl.3 exec.3 execle.3 exec.3 execlp.3 exec.3 exect.3 \
- exec.3 execv.3 exec.3 execvp.3
+MLINKS+=exec.3 execl.3 exec.3 execle.3 exec.3 execlp.3 exec.3 execv.3 \
+ exec.3 execvp.3
MLINKS+=fts.3 fts_open.3 fts.3 fts_read.3 fts.3 fts_children.3 \
fts.3 fts_set.3 fts.3 fts_close.3
MLINKS+=isinf.3 isnan.3 isinf.3 isnanf.3 isinf.3 isinff.3
diff --git a/lib/libc/gen/exec.3 b/lib/libc/gen/exec.3
index 01091a41e04..e34ccf90947 100644
--- a/lib/libc/gen/exec.3
+++ b/lib/libc/gen/exec.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: exec.3,v 1.11 2000/08/31 16:24:38 deraadt Exp $
+.\" $OpenBSD: exec.3,v 1.12 2001/03/14 04:02:00 aaron Exp $
.\"
.\" Copyright (c) 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@@ -38,7 +38,6 @@
.Nm execl ,
.Nm execlp ,
.Nm execle ,
-.Nm exect ,
.Nm execv ,
.Nm execvp
.Nd execute a file
@@ -52,8 +51,6 @@
.Ft int
.Fn execle "const char *path" "const char *arg" ... "char *const envp[]"
.Ft int
-.Fn exect "const char *path" "char *const argv[]" "char *const envp[]"
-.Ft int
.Fn execv "const char *path" "char *const argv[]"
.Ft int
.Fn execvp "const char *file" "char *const argv[]"
@@ -93,8 +90,7 @@ The list of arguments
be terminated by a null pointer.
.Pp
The
-.Fn exect ,
-.Fn execv ,
+.Fn execv
and
.Fn execvp
functions provide an array of pointers to
@@ -108,9 +104,7 @@ be terminated by a null pointer itself.
.Pp
The
.Fn execle
-and
-.Fn exect
-functions also specify the environment of the executed process by following
+function also specifies the environment of the executed process by following
the null
pointer that terminates the list of arguments in the parameter list
or the pointer to the
@@ -172,10 +166,6 @@ returned
these functions will sleep for several seconds,
periodically re-attempting to execute the file.
.Pp
-The function
-.Fn exect
-executes a file with the program tracing facilities enabled (see
-.Xr ptrace 2 ) .
.Sh RETURN VALUES
If any of the
.Xr exec
@@ -191,7 +181,7 @@ default shell program
.Sh ERRORS
.Fn execl ,
.Fn execle ,
-.Fn execlp
+.Fn execlp ,
and
.Fn execvp
may fail and set
@@ -201,8 +191,6 @@ for any of the errors specified for the library functions
and
.Xr malloc 3 .
.Pp
-.Fn exect
-and
.Fn execv
may fail and set
.Va errno
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
index fc229c9ba6e..f5be72d2c2e 100644
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile.inc,v 1.42 2001/03/09 15:13:48 art Exp $
+# $OpenBSD: Makefile.inc,v 1.43 2001/03/14 04:01:59 aaron Exp $
# $NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $
# @(#)Makefile.inc 8.1 (Berkeley) 6/17/93
@@ -197,6 +197,7 @@ MLINKS+=chown.2 fchown.2
MLINKS+=chown.2 lchown.2
MLINKS+=clock_gettime.2 clock_settime.2
MLINKS+=clock_gettime.2 clock_getres.2
+MLINKS+=execve.2 exect.2
MLINKS+=fhopen.2 fhstat.2 fhopen.2 fhstatfs.2
MLINKS+=getgid.2 getegid.2
MLINKS+=getitimer.2 setitimer.2
diff --git a/lib/libc/sys/execve.2 b/lib/libc/sys/execve.2
index 8a82b979af6..68522a983af 100644
--- a/lib/libc/sys/execve.2
+++ b/lib/libc/sys/execve.2
@@ -1,4 +1,4 @@
-.\" $OpenBSD: execve.2,v 1.16 2000/10/18 05:12:09 aaron Exp $
+.\" $OpenBSD: execve.2,v 1.17 2001/03/14 04:01:59 aaron Exp $
.\" $NetBSD: execve.2,v 1.9 1995/02/27 12:32:25 cgd Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
@@ -38,12 +38,15 @@
.Dt EXECVE 2
.Os
.Sh NAME
-.Nm execve
+.Nm execve ,
+.Nm exect
.Nd execute a file
.Sh SYNOPSIS
.Fd #include <unistd.h>
.Ft int
.Fn execve "const char *path" "const char *argv[]" "const char *envp[]"
+.Ft int
+.Fn exect "const char *path" "char *const argv[]" "char *const envp[]"
.Sh DESCRIPTION
.Fn execve
transforms the calling process into a new process.
@@ -195,6 +198,14 @@ and
.Fa argv
points to the array of character pointers
to the arguments themselves.
+.Pp
+The
+.Fn exect
+function is equivalent to
+.Fn execve
+with the additional property that is executes the file with the program
+tracing facilities enabled (see
+.Xr ptrace 2 ) .
.Sh RETURN VALUES
As the
.Fn execve
@@ -275,6 +286,10 @@ the system file table was found to be full.
.Xr execl 3 ,
.Xr exit 3 ,
.Xr environ 7
+.Sh COMPATIBILITY
+The
+.Fn exect
+function should not be used in portable applications.
.Sh HISTORY
The
.Fn execve