Advanced Programming in the UNIX® Environment

ptg10805159

876 Function Prototypes Appendix A

int pthread_setspecific(pthread_key_tkey,const void *value);

<pthread.h> p. 449

Returns: 0 if OK, error number on failure

int pthread_sigmask(inthow,const sigset_t *restrict set,

sigset_t *restrict oset);

<signal.h> p. 454

how:SIG_BLOCK, SIG_UNBLOCK, SIG_SETMASK

Returns: 0 if OK, error number on failure

int pthread_spin_destroy(pthread_spinlock_t *lock);

<pthread.h> p. 417

Returns: 0 if OK, error number on failure

int pthread_spin_init(pthread_spinlock_t *lock,intpshared);

<pthread.h> p. 417

pshared:PTHREAD_PROCESS_PRIVATE,

PTHREAD_PROCESS_SHARED

Returns: 0 if OK, error number on failure

int pthread_spin_lock(pthread_spinlock_t *lock);

<pthread.h> p. 418

Returns: 0 if OK, error number on failure

int pthread_spin_trylock(pthread_spinlock_t *lock);

<pthread.h> p. 418

Returns: 0 if OK, error number on failure

int pthread_spin_unlock(pthread_spinlock_t *lock);

<pthread.h> p. 418

Returns: 0 if OK, error number on failure

void pthread_testcancel(void);

<pthread.h> p. 453

char *ptsname(intfd);

<stdlib.h> p. 723

Returns: pointer to name of PTY slave if OK,NULLon error

int putc(intc,FILE *fp);

<stdio.h> p. 152

Returns:cif OK,EOFon error

int putchar(intc);

<stdio.h> p. 152

Returns:cif OK,EOFon error