The Open Group Base Specifications Issue 8
IEEE Std 1003.1-2024
Copyright © 2001-2024 The IEEE and The Open Group
NAME
thrd_current — get the calling thread ID
SYNOPSIS
#include <threads.h>
thrd_t thrd_current(void);
DESCRIPTION
[CX] ![[Option Start]](../images/opt-start.gif)
The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the
requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2024 defers to the ISO C
standard.
![[Option End]](../images/opt-end.gif)
The thrd_current() function shall identify the thread that called it.
RETURN VALUE
The thrd_current() function shall return the thread ID of the thread that called it.
The thrd_current() function shall always be successful. No return value is reserved to indicate an error.
ERRORS
No errors are defined.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
pthread_self, thrd_create, thrd_equal
XBD <threads.h>
CHANGE HISTORY
First released in Issue 8. Included for alignment with the ISO/IEC 9899:2018 standard.
End of informative text.
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