diff options
author | Luis Ontanon <luis.ontanon@gmail.com> | 2013-07-23 18:26:38 +0000 |
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committer | Luis Ontanon <luis.ontanon@gmail.com> | 2013-07-23 18:26:38 +0000 |
commit | c9e6eda76992311af7b33b8a6e1f21024c1cf251 (patch) | |
tree | f71fbdf44531f3c042432118f640bd74c24226a0 /echld/echld.h | |
parent | ac16425a1f08909fa9a21347cc674e192ab22781 (diff) |
Yet another iteration...
svn path=/trunk/; revision=50846
Diffstat (limited to 'echld/echld.h')
-rw-r--r-- | echld/echld.h | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/echld/echld.h b/echld/echld.h index a30c2d3f0e..9176ee46fa 100644 --- a/echld/echld.h +++ b/echld/echld.h @@ -83,17 +83,28 @@ typedef struct timeval tv_t; typedef void (*cleanup_cb_t)(void*); typedef int (*main_t)(int, char**); /* a pointer to main() */ +/* these are called after a new child is created. + * chld_id = -1 on error/timeout + */ +typedef void (*echld_new_cb_t)(void* child_data, const char* err); + /* I will be passed to echld_initialize() */ typedef struct _echld_init { echld_encoding_t encoding; /* only JSON for now */ + char* argv0; /* the value of argv[0] */ main_t main; - cleanup_cb_t after_fork_cb; /* to be called after fork to free the - child processes from entities of the parent */ + + echld_new_cb_t dispatcher_hello_cb; /* child_data will be a pointer to this echld_init_t */ + + cleanup_cb_t after_fork_cb; /* to be called by dispatcher just after fork to free + the child processes from entities of the parent */ void* after_fork_cb_data; cleanup_cb_t at_term_cb; /* to be called after echld_terminate() is done */ void* at_term_cb_data; + + void* user_data; /* free for you to use */ } echld_init_t; /* will initialize echld forking the dispatcher and registering protocols and taps */ @@ -169,15 +180,21 @@ WS_DLL_PUBLIC char* echld_decode(echld_msg_type_t, enc_msg_t*); WS_DLL_PUBLIC enc_msg_t* echld_new_child_params(void); -/* takes the em, and param=value pairs of strings, NULL to end. + + +/* takes the em, and param=value pairs of strings, NULL to end. echld_new_child_params_add_params(em,param1_str,val1_str,param2_str,val2_str,NULL); */ WS_DLL_PUBLIC void echld_new_child_params_add_params(enc_msg_t*, ...); WS_DLL_PUBLIC enc_msg_t* echld_new_child_params_merge(enc_msg_t*, enc_msg_t*); +#define ECHLD_NC_PARAMS_FMT " %s='%s',\n" /* param='value' */ +/* truncate takes off last N chars from the last item's fmt or prefix on empty */ +WS_DLL_PUBLIC char* echld_new_child_params_str(enc_msg_t* em, const char* prefix, const char* postfix, int truncate, const char* fmt); + /* create a new worker process */ -WS_DLL_PUBLIC echld_chld_id_t echld_new(enc_msg_t* new_child_parameters, void* child_data); +WS_DLL_PUBLIC echld_chld_id_t echld_new(enc_msg_t* new_child_parameters, echld_new_cb_t cb, void* child_data); /* will return NULL on error, if NULL is also ok for you use echld_get_error() */ WS_DLL_PUBLIC void* echld_get_data(echld_chld_id_t); |