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| author | Tobias Klauser <tklauser@distanz.ch> | 2008-01-27 11:37:44 +0100 |
|---|---|---|
| committer | Tobias Klauser <tklauser@xenon.tklauser.home> | 2008-01-27 11:37:44 +0100 |
| commit | 7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch) | |
| tree | b1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/MAN/longjmp.htm | |
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diff --git a/reference/C/MAN/longjmp.htm b/reference/C/MAN/longjmp.htm new file mode 100644 index 0000000..ba1bbb8 --- /dev/null +++ b/reference/C/MAN/longjmp.htm @@ -0,0 +1,99 @@ +<TITLE>longjmp</TITLE> +<body bgcolor="#ffffcc"> +<hr> +<pre> + + + +<h3>LONGJMP(3) Library functions LONGJMP(3) +</h3> + +<h3>NAME +</h3> longjmp - non-local jump to a saved stack context + +<h3>SYNOPSIS +</h3> #include <setjmp.h> + + void longjmp(jmp_buf env, int val); + +<h3>DESCRIPTION +</h3> longjmp() and setjmp(3) are useful for dealing with errors + and interrupts encountered in a low-level subroutine of a + program. longjmp() restores the environment saved by the + last call of setjmp() with the corresponding env argument. + After longjmp() is completed, program execution continues + as if the corresponding call of setjmp() had just returned + the value val. longjmp() cannot cause 0 to be returned. + If longjmp is invoked with a second argument of 0, 1 will + be returned instead. + +<h3>RETURN VALUE +</h3> This function never returns. + +<h3>CONFORMING TO +</h3> POSIX + +<h3>NOTES +</h3> POSIX does not specify if the signal context will be + restored or not. If you want to save restore signal + masks, use siglongjmp(3) longjmp() makes programs hard to + understand and maintain. If possible an alternative + should be used. + +</pre> +<hr> +<h3>SEE ALSO +</h3><p> +<a href=setjmp.htm>setjmp</a>, +<a href=sigsetjmp.htm>sigsetjmp</a>, +<a href=siglongjmp.htm>siglongjmp</a>, +<pre> + + + + + + + + + + + + + + + + + + + + + + + + November 25, 1994 1 + + +
</pre> +<P> +<hr> +<p> +<center> +<table border=2 width=80%> +<tr align=center> +<td width=25%> +<a href=../cref.html>Top</a> +</td><td width=25%> +<a href=../master_index.html>Master Index</a> +</td><td width=25%> +<a href=../SYNTAX/keywords.html>Keywords</a> +</td><td width=25%> +<a href=../FUNCTIONS/funcref.htm>Functions</a> +</td> +</tr> +</table> +</center> +<p> +<hr> + +This manual page was brought to you by <i>mjl_man V-2.0</i> |