NAME

bar_init — initialize thread barrier

SYNOPSIS

library “threads”
#include <threadse.h>

int
bar_init(bar_t *barrier, int type, unsigned count);

DESCRIPTION

The function bar_init() initializes a thread barrier of the given type as specified below and the amount of threads that need to call bar_wait(3) before the barrier will be released count.

The type argument can be either of

bar_private

the barrier is not shared among child processes.

bar_shared

the barrier is shared among child processes.

RETURN VALUES

Upon success bar_init() returns thrd_success, otherwise thrd_error will be returned.

SEE ALSO

bar_destroy(3) bar_wait(3)

HISTORY

The bar_init() function first appeared in the Adelsbach Enhanced Threading Library. MacOS support was added in version 1.0.1 due to the lack of native MacOS support for thread barriers the implementation manually implements this using mutexes and condition variables.

AUTHORS

Jan Adelsbach <jan@jadelsbach.de>