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Comparing libev/ev.3 (file contents):
Revision 1.97 by root, Mon Feb 18 03:20:28 2013 UTC vs.
Revision 1.99 by root, Mon Jun 10 00:14:23 2013 UTC

1.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.16) 1.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.20)
2.\" 2.\"
3.\" Standard preamble: 3.\" Standard preamble:
4.\" ======================================================================== 4.\" ========================================================================
5.de Sp \" Vertical space (when we can't use .PP) 5.de Sp \" Vertical space (when we can't use .PP)
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122.\} 122.\}
123.rm #[ #] #H #V #F C 123.rm #[ #] #H #V #F C
124.\" ======================================================================== 124.\" ========================================================================
125.\" 125.\"
126.IX Title "LIBEV 3" 126.IX Title "LIBEV 3"
127.TH LIBEV 3 "2013-02-18" "libev-4.11" "libev - high performance full featured event loop" 127.TH LIBEV 3 "2013-06-07" "libev-4.15" "libev - high performance full featured event loop"
128.\" For nroff, turn off justification. Always turn off hyphenation; it makes 128.\" For nroff, turn off justification. Always turn off hyphenation; it makes
129.\" way too many mistakes in technical documents. 129.\" way too many mistakes in technical documents.
130.if n .ad l 130.if n .ad l
131.nh 131.nh
132.SH "NAME" 132.SH "NAME"
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514.IX Item "EVFLAG_NOENV" 514.IX Item "EVFLAG_NOENV"
515If this flag bit is or'ed into the flag value (or the program runs setuid 515If this flag bit is or'ed into the flag value (or the program runs setuid
516or setgid) then libev will \fInot\fR look at the environment variable 516or setgid) then libev will \fInot\fR look at the environment variable
517\&\f(CW\*(C`LIBEV_FLAGS\*(C'\fR. Otherwise (the default), this environment variable will 517\&\f(CW\*(C`LIBEV_FLAGS\*(C'\fR. Otherwise (the default), this environment variable will
518override the flags completely if it is found in the environment. This is 518override the flags completely if it is found in the environment. This is
519useful to try out specific backends to test their performance, or to work 519useful to try out specific backends to test their performance, to work
520around bugs. 520around bugs, or to make libev threadsafe (accessing environment variables
521cannot be done in a threadsafe way, but usually it works if no other
522thread modifies them).
521.ie n .IP """EVFLAG_FORKCHECK""" 4 523.ie n .IP """EVFLAG_FORKCHECK""" 4
522.el .IP "\f(CWEVFLAG_FORKCHECK\fR" 4 524.el .IP "\f(CWEVFLAG_FORKCHECK\fR" 4
523.IX Item "EVFLAG_FORKCHECK" 525.IX Item "EVFLAG_FORKCHECK"
524Instead of calling \f(CW\*(C`ev_loop_fork\*(C'\fR manually after a fork, you can also 526Instead of calling \f(CW\*(C`ev_loop_fork\*(C'\fR manually after a fork, you can also
525make libev check for a fork in each iteration by enabling this flag. 527make libev check for a fork in each iteration by enabling this flag.
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4731between threads, that is, threads can be used, but threads never run on 4733between threads, that is, threads can be used, but threads never run on
4732different cpus (or different cpu cores). This reduces dependencies 4734different cpus (or different cpu cores). This reduces dependencies
4733and makes libev faster. 4735and makes libev faster.
4734.IP "\s-1EV_NO_THREADS\s0" 4 4736.IP "\s-1EV_NO_THREADS\s0" 4
4735.IX Item "EV_NO_THREADS" 4737.IX Item "EV_NO_THREADS"
4736If defined to be \f(CW1\fR, libev will assume that it will never be called 4738If defined to be \f(CW1\fR, libev will assume that it will never be called from
4737from different threads, which is a stronger assumption than \f(CW\*(C`EV_NO_SMP\*(C'\fR, 4739different threads (that includes signal handlers), which is a stronger
4738above. This reduces dependencies and makes libev faster. 4740assumption than \f(CW\*(C`EV_NO_SMP\*(C'\fR, above. This reduces dependencies and makes
4741libev faster.
4739.IP "\s-1EV_ATOMIC_T\s0" 4 4742.IP "\s-1EV_ATOMIC_T\s0" 4
4740.IX Item "EV_ATOMIC_T" 4743.IX Item "EV_ATOMIC_T"
4741Libev requires an integer type (suitable for storing \f(CW0\fR or \f(CW1\fR) whose 4744Libev requires an integer type (suitable for storing \f(CW0\fR or \f(CW1\fR) whose
4742access is atomic with respect to other threads or signal contexts. No 4745access is atomic with respect to other threads or signal contexts. No
4743such type is easily found in the C language, so you can provide your own 4746such type is easily found in the C language, so you can provide your own

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