diff options
Diffstat (limited to 'man/man3/exits.html')
| -rw-r--r-- | man/man3/exits.html | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/man/man3/exits.html b/man/man3/exits.html deleted file mode 100644 index cc94a468..00000000 --- a/man/man3/exits.html +++ /dev/null @@ -1,126 +0,0 @@ -<head> -<title>exits(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>EXITS(3)</b><td align=right><b>EXITS(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> - - exits, _exits, atexit, atexitdont, terminate – terminate process, - process cleanup<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>void _exits(char *msg)<br> - void exits(char *msg)<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>int atexit(void(*)(void))<br> - - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - </font></tt> - <tt><font size=+1>void atexitdont(void(*)(void))<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>Exits</i> is the conventional way to terminate a process. <i>_Exits</i> also - terminates a process but does not call the registered <i>atexit</i> handlers - (<i>q.v.</i>). They can never return. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Msg</i> conventionally includes a brief (maximum length <tt><font size=+1>ERRLEN</font></tt>) explanation - of the reason for exiting, or a null pointer or empty string to - indicate normal termination. The string is passed to the parent - process, prefixed by the name and process id of the exiting process, - when the parent does a <a href="../man3/wait.html"><i>wait</i>(3)</a>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Before calling <i>_exits</i> with <i>msg</i> as an argument, <i>exits</i> calls in - reverse order all the functions recorded by <i>atexit</i>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Atexit</i> records <i>fn</i> as a function to be called by <i>exits</i>. It returns - zero if it failed, nonzero otherwise. A typical use is to register - a cleanup routine for an I/O package. To simplify programs that - fork or share memory, <i>exits</i> only calls those <i>atexit</i>-registered - functions that were registered by the same process as that calling - <i>exits</i>. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Calling <i>atexit</i> twice (or more) with the same function argument - causes <i>exits</i> to invoke the function twice (or more). - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - There is a limit to the number of exit functions that will be - recorded; <i>atexit</i> returns 0 if that limit has been reached. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - <i>Atexitdont</i> cancels a previous registration of an exit function.<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/atexit.c<br> - /usr/local/plan9/src/lib9/_exits.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="../man2/fork.html"><i>fork</i>(2)</a>, <a href="../man3/wait.html"><i>wait</i>(3)</a><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> - - Because of limitations of Unix, the exit status of a process can - only be an 8-bit integer. Exit status 0 is used for empty exit - messages, and 1 for non-empty messages. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - Exit codes 97 through 99 are used by the thread library to signal - internal synchronization errors between the main program and a - proxy process that implements backgrounding. - <table border=0 cellpadding=0 cellspacing=0><tr height=5><td></table> - - To avoid name conflicts with the underlying system, <i>atexit</i> and - <i>atexitdont</i> are preprocessor macros defined as <i>p9atexit</i> and <i>p9atexitdont</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> |