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diff --git a/man/man3/exec.html b/man/man3/exec.html deleted file mode 100644 index e5397352..00000000 --- a/man/man3/exec.html +++ /dev/null @@ -1,146 +0,0 @@ -<head> -<title>exec(3) - Plan 9 from User Space</title> -<meta content="text/html; charset=utf-8" http-equiv=Content-Type> -</head> -<body bgcolor=#ffffff> -<table border=0 cellpadding=0 cellspacing=0 width=100%> -<tr height=10><td> -<tr><td width=20><td> -<tr><td width=20><td><b>EXEC(3)</b><td align=right><b>EXEC(3)</b> -<tr><td width=20><td colspan=2> - <br> -<p><font size=+1><b>NAME </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - exec, execl – execute a file<br> - -</table> -<p><font size=+1><b>SYNOPSIS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>#include <u.h><br> - #include <libc.h> - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>int exec(char *name, char* argv[])<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>int execl(char *name, ...)<br> - </font></tt> -</table> -<p><font size=+1><b>DESCRIPTION </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <i>Exec</i> and <i>execl</i> overlay the calling process with the named file, - then transfer to the entry point of the image of the file. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Name</i> points to the name of the file to be executed; it must not - be a directory, and the permissions must allow the current user - to execute it (see <a href="../man3/stat.html"><i>stat</i>(3)</a>). It should also be a valid binary - image, as defined by the local operating system, or a shell script - (see <a href="../man1/rc.html"><i>rc</i>(1)</a>). The first line of a shell script must begin with - <tt><font size=+1>#!</font></tt> followed - by the name of the program to interpret the file and any initial - arguments to that program, for example<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>#!/bin/rc<br> - ls | mc<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - - </table> - When a C program is executed, it is called as follows:<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>void main(int argc, char *argv[])<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - - </table> - <i>Argv</i> is a copy of the array of argument pointers passed to <i>exec</i>; - that array must end in a null pointer, and <i>argc</i> is the number - of elements before the null pointer. By convention, the first - argument should be the name of the program to be executed. <i>Execl</i> - is like <i>exec</i> except that <i>argv</i> will be an array of the parameters - that follow <i>name</i> in the call. The last argument to <i>execl</i> must - be a null pointer. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - For a file beginning <tt><font size=+1>#!</font></tt>, the arguments passed to the program (<tt><font size=+1>/bin/rc</font></tt> - in the example above) will be the name of the file being executed, - any arguments on the <tt><font size=+1>#!</font></tt> line, the name of the file again, and - finally the second and subsequent arguments given to the original - <i>exec</i> call. The result honors the two conventions - of a program accepting as argument a file to be interpreted and - <tt><font size=+1>argv[0]</font></tt> naming the file being executed. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Most attributes of the calling process are carried into the result; - in particular, files remain open across <i>exec</i> (except those opened - with <tt><font size=+1>OCEXEC</font></tt> OR’d into the open mode; see <a href="../man3/open.html"><i>open</i>(3)</a>); and the working - directory and environment (see <a href="../man3/getenv.html"><i>getenv</i>(3)</a>) remain the same. However, - a newly <i>exec’ed</i> process has no notification - handlers (see <a href="../man3/notify.html"><i>notify</i>(3)</a>).<br> - -</table> -<p><font size=+1><b>SOURCE </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <tt><font size=+1>/usr/local/plan9/src/lib9/exec.c<br> - /usr/local/plan9/src/lib9/execl.c<br> - </font></tt> -</table> -<p><font size=+1><b>SEE ALSO </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - <a href="../man1/prof.html"><i>prof</i>(1)</a>, <a href="../man3/intro.html"><i>intro</i>(3)</a>, <a href="../man3/stat.html"><i>stat</i>(3)</a><br> - -</table> -<p><font size=+1><b>DIAGNOSTICS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - If these functions fail, they return and set <i>errstr</i>. There can - be no return from a successful <i>exec</i> or <i>execl</i>; the calling image - is lost.<br> - -</table> -<p><font size=+1><b>BUGS </b></font><br> - -<table border=0 cellpadding=0 cellspacing=0><tr height=2><td><tr><td width=20><td> - - On Unix, unlike on Plan 9, <i>exec</i> and <i>execl</i> use the user’s current - path to locate <i>prog</i>. This is a clumsy way to deal with Unix’s - lack of a union directory for <tt><font size=+1>/bin</font></tt>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - To avoid name conflicts with the underlying system, <i>exec</i> and <i>execl</i> - are preprocessor macros defined as <i>p9exec</i> and <i>p9execl</i>; see <a href="../man3/intro.html"><i>intro</i>(3)</a>.<br> - -</table> - -<td width=20> -<tr height=20><td> -</table> -<!-- TRAILER --> -<table border=0 cellpadding=0 cellspacing=0 width=100%> -<tr height=15><td width=10><td><td width=10> -<tr><td><td> -<center> -<a href="../../"><img src="../../dist/spaceglenda100.png" alt="Space Glenda" border=1></a> -</center> -</table> -<!-- TRAILER --> -</body></html> |