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28 lines
455 B
Markdown
28 lines
455 B
Markdown
## Name
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gettid - get current thread ID
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## Synopsis
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```**c++
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#include <unistd.h>
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int gettid();
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```
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## Description
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Returns the TID (thread ID) of the calling thread. The first thread in a process has the same TID and PID. Subsequently spawned threads will have unique thread ID's, but all share the same PID.
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## Return value
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The thread ID of the calling thread.
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## Error
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None.
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## See also
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* [`getpid`(2)](getpid.md)
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* [`getppid`(2)](getppid.md)
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