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30 /* $FreeBSD: src/lib/libc/gen/pselect.c,v 1.6 2002/10/12 16:13:37 mike Exp $ */
31 /* modified for OpenBSD by Masahito Yamaga (2010-02-02) */
35 #endif /* HAVE_CONFIG_H */
37 #if !defined(HAVE_PSELECT) || defined(__OpenBSD__)
39 #include <sys/select.h>
45 * Emulate the POSIX 1003.1g-2000 `pselect' interface. This is the
46 * same as the traditional BSD `select' function, except that it uses
47 * a timespec rather than a timeval, doesn't modify the timeout argument,
48 * and allows the user to specify a signal mask to apply during the select.
51 pselect(int count, fd_set * restrict rfds, fd_set * restrict wfds,
52 fd_set * restrict efds, const struct timespec * restrict timo,
53 const sigset_t * restrict mask)
56 struct timeval tvtimo, *tvp;
60 TIMESPEC_TO_TIMEVAL(&tvtimo, timo);
66 rv = pthread_sigmask(SIG_SETMASK, mask, &omask);
71 rv = select(count, rfds, wfds, efds, tvp);
74 pthread_sigmask(SIG_SETMASK, &omask, (sigset_t *)0);
81 #endif /* not HAVE_PSELECT || __OpenBSD__ */