PTHREAD_COND_SIGNAL(3)                        FreeBSD Library Functions Manual

NAME
     pthread_cond_signal - unblock a thread waiting for a condition variable

LIBRARY
     POSIX Threads Library (libpthread, -lpthread)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_cond_signal(pthread_cond_t *cond);

DESCRIPTION
     The pthread_cond_signal() function unblocks one thread waiting for the
     condition variable cond.

RETURN VALUES
     If successful, the pthread_cond_signal() function will return zero,
     otherwise an error number will be returned to indicate the error.

ERRORS
     The pthread_cond_signal() function will fail if:

     [EINVAL]           The value specified by cond is invalid.

SEE ALSO
     pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_init(3),
     pthread_cond_timedwait(3), pthread_cond_wait(3)

STANDARDS
     The pthread_cond_signal() function conforms to ISO/IEC 9945-1:1996
     ("POSIX.1").

FreeBSD 13.1-RELEASE-p6          July 28, 1998         FreeBSD 13.1-RELEASE-p6