---
name: "TAU_GLOBAL_PHASE_EXTERNAL"
section: "3"
platform: "linux"
package: "tau"
version: "2.17.3.1.dfsg-4.2"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/TAU_GLOBAL_PHASE_EXTERNAL"
---

# TAU\_GLOBAL\_PHASE\_EXTERNAL(3)

Declares a global phase from an external compilation unit

## NAME

TAU\_GLOBAL\_PHASE\_EXTERNAL - Declares a global phase from an external compilation unit

## SYNOPSIS

**C/C++:**

**TAU\_GLOBAL\_PHASE\_EXTERNAL(Profiler** *timer***);**

## DESCRIPTION

TAU\_GLOBAL\_PHASE\_EXTERNAL allows you to access a phase defined in another compilation unit.

## EXAMPLE

**C/C++ :**

```
/* f1.c */
TAU_GLOBAL_PHASE(globalPhase, "global phase", "", TAU_USER);
/* f2.c */
int bar(void) {
  TAU_GLOBAL_PHASE_START(globalPhase);
  /* ... */
  TAU_GLOBAL_PHASE_STOP(globalPhase);
}
```

## SEE ALSO

[TAU\_GLOBAL\_PHASE(3)](/TAU_GLOBAL_PHASE/3.md), [TAU\_GLOBAL\_PHASE\_START(3)](/TAU_GLOBAL_PHASE_START/3.md), [TAU\_GLOBAL\_PHASE\_STOP(3)](/TAU_GLOBAL_PHASE_STOP/3.md)