X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fpoll.c;h=833366ebfa831e742fefa6181843e43f464a5951;hp=08e5d4671a6032edf14c63a6b5996e2d1a2b191e;hb=8cb8947e3a7bff4dbf8f124871cb4905df1adce7;hpb=4437d37d1844243b154c4323413e18c50e3b8779 diff --git a/src/poll.c b/src/poll.c index 08e5d46..833366e 100644 --- a/src/poll.c +++ b/src/poll.c @@ -1,11 +1,14 @@ /* This file is part of the YAZ toolkit. - * Copyright (C) 1995-2010 Index Data + * Copyright (C) Index Data * See the file LICENSE for details. */ /** - * \file + * \file * \brief Select, poll wrapper */ +#if HAVE_CONFIG_H +#include +#endif #include #include @@ -57,7 +60,7 @@ int yaz_poll_select(struct yaz_poll_fd *fds, int num_fds, int sec, int nsec) FD_ZERO(&output); FD_ZERO(&except); - assert(num_fds > 0); + assert(num_fds >= 0); for (i = 0; i < num_fds; i++) { enum yaz_poll_mask mask = fds[i].input_mask; @@ -78,7 +81,7 @@ int yaz_poll_select(struct yaz_poll_fd *fds, int num_fds, int sec, int nsec) } tv.tv_sec = sec; tv.tv_usec = nsec / 1000; - + r = select(max_fd+1, &input, &output, &except, (sec == -1 ? 0 : &tv)); if (r >= 0) { @@ -105,12 +108,13 @@ int yaz_poll_select(struct yaz_poll_fd *fds, int num_fds, int sec, int nsec) #if HAVE_SYS_POLL_H int yaz_poll_poll(struct yaz_poll_fd *fds, int num_fds, int sec, int nsec) { - int r; - struct pollfd *pollfds = (struct pollfd *) - xmalloc(num_fds * sizeof *pollfds); - int i; + int i, r; + struct pollfd *pollfds = 0; - assert(num_fds > 0); + if (num_fds > 0) + pollfds = (struct pollfd *) xmalloc(num_fds * sizeof *pollfds); + + assert(num_fds >= 0); for (i = 0; i < num_fds; i++) { enum yaz_poll_mask mask = fds[i].input_mask; @@ -156,7 +160,7 @@ int yaz_poll_poll(struct yaz_poll_fd *fds, int num_fds, int sec, int nsec) int yaz_poll(struct yaz_poll_fd *fds, int num_fds, int sec, int nsec) { -#if YAZ_HAVE_SYS_POLL_H +#if HAVE_SYS_POLL_H return yaz_poll_poll(fds, num_fds, sec, nsec); #else return yaz_poll_select(fds, num_fds, sec, nsec);