pthread_equal(3) Library Functions Manual pthread_equal(3)
NAME
pthread_equal - compare thread IDs
LIBRARY
POSIX threads library (libpthread, -lpthread)
SYNOPSIS
#include <pthread.h>
int pthread_equal(pthread_t t1, pthread_t t2);
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 attrib-
utes(7).
┌───────────────────────────────────────────┬───────────────┬─────────┐
│ Interface │ Attribute │ Value │
├───────────────────────────────────────────┼───────────────┼─────────┤
│ pthread_equal() │ Thread safety │ MT-Safe │
└───────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
POSIX.1-2008.
HISTORY
POSIX.1-2001.
NOTES
The pthread_equal() function is necessary because thread IDs should be
considered opaque: there is no portable way for applications to di-
rectly compare two pthread_t values.
SEE ALSO
pthread_create(3), pthread_self(3), pthreads(7)
Linux man-pages 6.7 2023-10-31 pthread_equal(3)
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