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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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2 changed files with 28 additions and 26 deletions
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@ -201,32 +201,6 @@ int rb_sourceline(void);
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const char *rb_sourcefile(void);
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#if defined(NFDBITS) && defined(HAVE_RB_FD_INIT)
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/*
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* several Unix platform supports file descriptors bigger than FD_SETSIZE
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* in select(2) system call.
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*
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* - Linux 2.2.12 (?)
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* - NetBSD 1.2 (src/sys/kern/sys_generic.c:1.25)
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* select(2) documents how to allocate fd_set dynamically.
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* http://netbsd.gw.com/cgi-bin/man-cgi?select++NetBSD-4.0
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* - FreeBSD 2.2 (src/sys/kern/sys_generic.c:1.19)
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* - OpenBSD 2.0 (src/sys/kern/sys_generic.c:1.4)
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* select(2) documents how to allocate fd_set dynamically.
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* http://www.openbsd.org/cgi-bin/man.cgi?query=select&manpath=OpenBSD+4.4
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* - HP-UX documents how to allocate fd_set dynamically.
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* http://docs.hp.com/en/B2355-60105/select.2.html
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* - Solaris 8 has select_large_fdset
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*
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* When fd_set is not big enough to hold big file descriptors,
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* it should be allocated dynamically.
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* Note that this assumes fd_set is structured as bitmap.
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*
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* rb_fd_init allocates the memory.
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* rb_fd_term free the memory.
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* rb_fd_set may re-allocates bitmap.
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*/
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typedef struct {
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int maxfd;
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fd_set *fdset;
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28
thread.c
28
thread.c
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@ -2003,6 +2003,34 @@ rb_thread_priority_set(VALUE thread, VALUE prio)
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/* for IO */
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#if defined(NFDBITS) && defined(HAVE_RB_FD_INIT)
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/*
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* several Unix platform supports file descriptors bigger than FD_SETSIZE
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* in select(2) system call.
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*
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* - Linux 2.2.12 (?)
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* - NetBSD 1.2 (src/sys/kern/sys_generic.c:1.25)
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* select(2) documents how to allocate fd_set dynamically.
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* http://netbsd.gw.com/cgi-bin/man-cgi?select++NetBSD-4.0
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* - FreeBSD 2.2 (src/sys/kern/sys_generic.c:1.19)
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* - OpenBSD 2.0 (src/sys/kern/sys_generic.c:1.4)
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* select(2) documents how to allocate fd_set dynamically.
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* http://www.openbsd.org/cgi-bin/man.cgi?query=select&manpath=OpenBSD+4.4
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* - HP-UX documents how to allocate fd_set dynamically.
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* http://docs.hp.com/en/B2355-60105/select.2.html
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* - Solaris 8 has select_large_fdset
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*
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* When fd_set is not big enough to hold big file descriptors,
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* it should be allocated dynamically.
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* Note that this assumes fd_set is structured as bitmap.
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*
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* rb_fd_init allocates the memory.
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* rb_fd_term free the memory.
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* rb_fd_set may re-allocates bitmap.
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*
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* So rb_fd_set doesn't reject file descriptors bigger than FD_SETSIZE.
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*/
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void
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rb_fd_init(volatile rb_fdset_t *fds)
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{
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