# nng_msleep

## NAME

nng_msleep --- sleep milliseconds

## SYNOPSIS

```c
#include <nng/nng.h>

typedef int64_t nng_duration;

void nng_msleep(nng_duration msec);
```

## DESCRIPTION

The {{i:`nng_msleep`}}{{hi:sleep}} blocks the caller for at least _msec_ milliseconds.

> [!NOTE]
> This function may block for longer than requested.
> The actual wait time is determined by the capabilities of the
> underlying system.

## SEE ALSO

[nng_sleep_aio][nng_sleep_aio],
[nng_clock][nng_clock]

[nng_clock]: ../util/nng_clock.md
[nng_sleep_aio]: ../aio/nng_sleep_aio.md