[#BloombergLP-bsls-Assert-failSleep]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/Assert.adoc[Assert]::failSleep
:relfileprefix: ../../../
:mrdocs:

*DEPRECATED*: Use `failBySleep` instead.

== Synopsis

Declared in `<bsls_assert.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[noreturn]]
static
void
failSleep(
    char const* comment,
    char const* file,
    int line);
----

== Description

Use the specified expression `comment`, `file` name, and `line` number to generate a helpful output message and then, after logging, spin in an infinite loop. Note that this handler function is useful for hanging a process so that a debugger may be attached to it.

== Return Value

[NOTE]
====
This function https://en.cppreference.com/cpp/language/attributes/noreturn[does not return^].
====

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