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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). ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ¬ββββββββββββββββ¬ββββββββββ βInterface β Attribute β Value β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββΌββββββββββββββββΌββββββββββ€ βpthread_equal() β Thread safety β MT-Safe β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ΄ββββββββββββββββ΄ββββββββββ 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)