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authorJosé Bollo <jose.bollo@iot.bzh>2017-04-25 17:21:28 +0200
committerJosé Bollo <jose.bollo@iot.bzh>2017-04-25 17:21:28 +0200
commit05e0214d821f1a7604b4a0897907f347761b56e6 (patch)
tree880b4fd368e25ef7772ae231b32ad7eed16e8aa8 /include
parent5895a816ffca1b44aa5ec09042dda54919fa0b40 (diff)
Add 'afb_daemon_queue_job' for bindings
This allow bindings to queue asynchronous jobs. Change-Id: I2a228388c9defde23adb672d579c4a299f212850 Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'include')
-rw-r--r--include/afb/afb-binding.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/afb/afb-binding.h b/include/afb/afb-binding.h
index fe347af5..9c845153 100644
--- a/include/afb/afb-binding.h
+++ b/include/afb/afb-binding.h
@@ -67,6 +67,7 @@ struct afb_daemon_itf {
struct afb_event (*event_make)(void *closure, const char *name); /* creates an event of 'name' */
int (*rootdir_get_fd)(void *closure);
int (*rootdir_open_locale)(void *closure, const char *filename, int flags, const char *locale);
+ int (*queue_job)(void *closure, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout);
};
/*
@@ -193,4 +194,20 @@ static inline int afb_daemon_rootdir_open_locale(struct afb_daemon daemon, const
return daemon.itf->rootdir_open_locale(daemon.closure, filename, flags, locale);
}
-
+/*
+ * Queue the job defined by 'callback' and 'argument' for being executed asynchronously
+ * in this thread (later) or in an other thread.
+ * If 'group' is not NUL, the jobs queued with a same value (as the pointer value 'group')
+ * are executed in sequence in the order of there submission.
+ * If 'timeout' is not 0, it represent the maximum execution time for the job in seconds.
+ * At first, the job is called with 0 as signum and the given argument.
+ * The job is executed with the monitoring of its time and some signals like SIGSEGV and
+ * SIGFPE. When a such signal is catched, the job is terminated and reexecuted but with
+ * signum being the signal number (SIGALRM when timeout expired).
+ *
+ * Returns 0 in case of success or -1 in case of error.
+ */
+static inline int afb_daemon_queue_job(struct afb_daemon daemon, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout)
+{
+ return daemon.itf->queue_job(daemon.closure, callback, argument, group, timeout);
+}