getAsyncStackTraceSafe overloads

Synopses

Declared in <folly/debugging/symbolizer/StackTrace.h>

Capture the current async stack trace into fa, async‐signal‐safely.

template<size_t N>
bool
getAsyncStackTraceSafe(FrameArray<N>& fa);

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Get the current async stack trace into addresses, which has room for at least maxAddresses frames. If no async operation is progress, then this will write 0 frames.

ssize_t
getAsyncStackTraceSafe(
    uintptr_t* addresses,
    size_t maxAddresses);

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Return Value

  • true on success, false on failure.

  • The number of frames written, or ‐1 on failure.

Parameters

Name

Description

fa

The frame array to fill.

addresses

Output buffer for the captured frame addresses.

maxAddresses

Capacity of the addresses buffer, in frames.

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