EmbLogic » agrita.e1 https://www.emblogic.com/blog Embedded System and ARM Training Tue, 03 Mar 2020 13:00:06 +0000 en-US hourly 1 http://wordpress.org/?v=3.9.1 device driver https://www.emblogic.com/blog/09/device-driver/ https://www.emblogic.com/blog/09/device-driver/#comments Fri, 24 Sep 2010 12:12:22 +0000 http://emblogic.org/blog/?p=137 Continue reading →]]> today i have done initialising the driver in device driver then i faced a problem in that. in the init_module ,i had not returnned the value beacuse of this on inserting using insmod it will be hanged and the kernel is waiting for the action of module.due to this problem, cntrl+c,cntrl+z were not working n i had to restart my system again n again.

]]> https://www.emblogic.com/blog/09/device-driver/feed/ 0 what is sigpending? https://www.emblogic.com/blog/08/what-is-sigpending/ https://www.emblogic.com/blog/08/what-is-sigpending/#comments Wed, 04 Aug 2010 05:35:53 +0000 http://emblogic.org/blog/?p=60 Continue reading →]]> sigpending(sigset_t *set);

sigpending examines that the signals are blocked or pending.

it returns the set of signals  that are pending for delivery to the calling process  i.e.  the siganls while have been raised while blocked. This set of signals are fetched from “sa_mask”.By masking  we set the signals for blocking .

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