diff options
Diffstat (limited to 'ev.pod')
| -rw-r--r-- | ev.pod | 14 |
1 files changed, 6 insertions, 8 deletions
@@ -4627,16 +4627,14 @@ above. This reduces dependencies and makes libev faster. =item EV_ATOMIC_T Libev requires an integer type (suitable for storing C<0> or C<1>) whose -access is atomic and serialised with respect to other threads or signal -contexts. No such type is easily found in the C language, so you can -provide your own type that you know is safe for your purposes. It is used -both for signal handler "locking" as well as for signal and thread safety -in C<ev_async> watchers. +access is atomic with respect to other threads or signal contexts. No +such type is easily found in the C language, so you can provide your own +type that you know is safe for your purposes. It is used both for signal +handler "locking" as well as for signal and thread safety in C<ev_async> +watchers. In the absence of this define, libev will use C<sig_atomic_t volatile> -(from F<signal.h>), which is usually good enough on most platforms, -although strictly speaking using a type that also implies a memory fence -is required. +(from F<signal.h>), which is usually good enough on most platforms. =item EV_H (h) |