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PTHREAD_JOIN(3) BSD Library Functions Manual PTHREAD_JOIN(3) NAME
pthread_join -- wait for thread termination SYNOPSIS
#include <pthread.h> int pthread_join(pthread_t thread, void **value_ptr); DESCRIPTION
The pthread_join() function suspends execution of the calling thread until the target thread terminates, unless the target thread has already terminated. On return from a successful pthread_join() call with a non-NULL value_ptr argument, the value passed to pthread_exit() by the terminating thread is stored in the location referenced by value_ptr. When a pthread_join() returns successfully, the target thread has been terminated. The results of multiple simultaneous calls to pthread_join(), specifying the same target thread, are undefined. If the thread calling pthread_join() is cancelled, the target thread is not detached. RETURN VALUES
If successful, the pthread_join() function will return zero. Otherwise, an error number will be returned to indicate the error. ERRORS
pthread_join() will fail if: [EDEADLK] A deadlock was detected or the value of thread specifies the calling thread. [EINVAL] The implementation has detected that the value specified by thread does not refer to a joinable thread. [ESRCH] No thread could be found corresponding to that specified by the given thread ID, thread. SEE ALSO
wait(2), pthread_create(3) STANDARDS
pthread_join() conforms to ISO/IEC 9945-1:1996 (``POSIX.1''). BSD
April 4, 1996 BSD
