diff options
Diffstat (limited to 'ev.h')
| -rw-r--r-- | ev.h | 17 |
1 files changed, 16 insertions, 1 deletions
@@ -42,7 +42,8 @@ typedef double ev_tstamp; #define EV_IDLE 0x10 #define EV_CHECK 0x20 #define EV_PREPARE 0x40 -#define EV_ERROR (0x7f|0x80) +#define EV_CHILD 0x80 +#define EV_ERROR (0xff|0x8000) /* can be used to add custom fields to all watchers */ #ifndef EV_COMMON @@ -141,6 +142,15 @@ struct ev_check EV_WATCHER (ev_check); }; +/* invoked when sigchld is received and waitpid indicates the givne pid */ +struct ev_child +{ + EV_WATCHER_LIST (ev_child); + + int pid; /* ro */ + int status; /* holds the exit status, use the macros from sys/wait.h */ +}; + #define EVMETHOD_NONE 0 #define EVMETHOD_SELECT 1 #define EVMETHOD_EPOLL 2 @@ -179,6 +189,7 @@ void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, voi #define evidle_set(ev) /* nop, yes, this is a serious in-joke */ #define evprepare_set(ev) /* nop, yes, this is a serious in-joke */ #define evcheck_set(ev) /* nop, yes, this is a serious in-joke */ +#define evchild_set(ev,pid_) do { (ev)->pid = (pid_); } while (0) #define evio_init(ev,cb,fd,events) do { evw_init ((ev), (cb)); evio_set ((ev),(fd),(events)); } while (0) #define evtimer_init(ev,cb,after,repeat) do { evw_init ((ev), (cb)); evtimer_set ((ev),(after),(repeat)); } while (0) @@ -187,6 +198,7 @@ void ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, voi #define evidle_init(ev,cb) do { evw_init ((ev), (cb)); evidle_set ((ev)); } while (0) #define evprepare_init(ev,cb) do { evw_init ((ev), (cb)); evprepare_set ((ev)); } while (0) #define evcheck_init(ev,cb) do { evw_init ((ev), (cb)); evcheck_set ((ev)); } while (0) +#define evchild_init(ev,cb,pid) do { evw_init ((ev), (cb)); evchild_set ((ev),(pid)); } while (0) #define ev_is_active(ev) (0 + (ev)->active) /* true when the watcher has been started */ @@ -214,6 +226,9 @@ void evprepare_stop (struct ev_prepare *w); void evcheck_start (struct ev_check *w); void evcheck_stop (struct ev_check *w); + +void evchild_start (struct ev_child *w); +void evchild_stop (struct ev_child *w); #endif #endif |