---
name: "sc_ProcThreadGrp"
section: "3"
platform: "linux"
package: "libsc-doc"
version: "2.3.1-22"
release: "Debian 12 (Bookworm)"
platforms: ["linux"]
url: "https://new.carta.tech/sc_ProcThreadGrp"
---

# sc\_ProcThreadGrp(3)

The ProcThreadGrp class privides a concrete thread group appropriate for an environment where there is only one thread.

## NAME

sc::ProcThreadGrp - The **ProcThreadGrp** class privides a concrete thread group appropriate for an environment where there is only one thread.

## SYNOPSIS

`#include <thread.h>`

Inherits **sc::ThreadGrp**.

### Public Member Functions

**ProcThreadGrp** (const **Ref**\< **KeyVal** \> &)\
 int **start\_threads** ()\
 Starts the threads running.  int **wait\_threads** ()\
 Wait for all the threads to complete.  **Ref**\< **ThreadLock** \> **new\_lock** ()\
 Return a local object.  **ThreadGrp** \* **clone** (int **nthread**=-1)\
 Create a **ThreadGrp** like the current one.

### Additional Inherited Members

## Detailed Description

The **ProcThreadGrp** class privides a concrete thread group appropriate for an environment where there is only one thread.

## Member Function Documentation

### ThreadGrp \* sc::ProcThreadGrp::clone (int nthread = `-1`)` [virtual]`

Create a **ThreadGrp** like the current one. If nthread is given, the new **ThreadGrp** will attempt to support that number of threads, but the actual number supported may be less. If nthread is -1, the number of threads in the current group will be used.

Reimplemented from **sc::ThreadGrp**.

### Ref\< ThreadLock \> sc::ProcThreadGrp::new\_lock ()` [virtual]`

Return a local object.

Implements **sc::ThreadGrp**.

### int sc::ProcThreadGrp::start\_threads ()` [virtual]`

Starts the threads running. **Thread** 0 will be run by the thread that calls start\_threads.

Implements **sc::ThreadGrp**.

### int sc::ProcThreadGrp::wait\_threads ()` [virtual]`

Wait for all the threads to complete. This must be called before start\_threads is called again or the object is destroyed.

Implements **sc::ThreadGrp**.

## Author

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