💾 Archived View for gmi.noulin.net › man › man3 › pthread_equal.3.gmi captured on 2023-01-29 at 09:59:20. Gemini links have been rewritten to link to archived content
⬅️ Previous capture (2022-06-12)
-=-=-=-=-=-=-
PTHREAD_EQUAL(3) Linux Programmer's Manual PTHREAD_EQUAL(3)
NAME
pthread_equal - compare thread IDs
SYNOPSIS
#include <pthread.h>
int pthread_equal(pthread_t t1, pthread_t t2);
Compile and link with -pthread.
DESCRIPTION
The pthread_equal() function compares two thread identifiers.
RETURN VALUE
If the two thread IDs are equal, pthread_equal() returns a nonzero value; otherwise, it returns 0.
ERRORS
This function always succeeds.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
│pthread_equal() │ Thread safety │ MT-Safe │
└──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘
CONFORMING TO
POSIX.1-2001, POSIX.1-2008.
NOTES
The pthread_equal() function is necessary because thread IDs should be considered opaque: there is no portable way for applications to directly compare two
pthread_t values.
SEE ALSO
pthread_create(3), pthread_self(3), pthreads(7)
Linux 2021-03-22 PTHREAD_EQUAL(3)