EmbLogic » akash.gupta 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 E8:todays status https://www.emblogic.com/blog/08/e8todays-status/ https://www.emblogic.com/blog/08/e8todays-status/#comments Mon, 06 Aug 2012 12:26:42 +0000 http://emblogic.org/blog/?p=4440 implemented signal handlers..working on assignments.

]]> https://www.emblogic.com/blog/08/e8todays-status/feed/ 0 todays work status https://www.emblogic.com/blog/07/todays-work-status/ https://www.emblogic.com/blog/07/todays-work-status/#comments Sun, 29 Jul 2012 11:56:19 +0000 http://emblogic.org/blog/?p=4209 implemented system,fork and exec system calls..including multiple and simultaneous fork…working with signals and handlers.

]]> https://www.emblogic.com/blog/07/todays-work-status/feed/ 0 E7 https://www.emblogic.com/blog/07/e7/ https://www.emblogic.com/blog/07/e7/#comments Thu, 26 Jul 2012 10:40:36 +0000 http://emblogic.org/blog/?p=4098 created master array.working on further project.

]]> https://www.emblogic.com/blog/07/e7/feed/ 0 signals https://www.emblogic.com/blog/07/signals-3/ https://www.emblogic.com/blog/07/signals-3/#comments Fri, 20 Jul 2012 17:01:42 +0000 http://emblogic.org/blog/?p=4000 Continue reading →]]> void signal_handler( int sig)
{
if(sig==SIGINT)
{
printf(“Signal %d received\n”,sig);
(void) signal(SIGINT,SIG_IGN);
(void) signal(SIGINT,SIG_DFL);
}………….

in the above code when we press ctrl+c for the second time signal terminates the process instead of being ignored…is there any error in the above code??

]]> https://www.emblogic.com/blog/07/signals-3/feed/ 2 process https://www.emblogic.com/blog/07/process-2/ https://www.emblogic.com/blog/07/process-2/#comments Thu, 19 Jul 2012 14:04:59 +0000 http://emblogic.org/blog/?p=3955 difference between systemd & init?

]]> https://www.emblogic.com/blog/07/process-2/feed/ 0 implemented fork https://www.emblogic.com/blog/07/implemented-fork/ https://www.emblogic.com/blog/07/implemented-fork/#comments Wed, 18 Jul 2012 14:27:24 +0000 http://emblogic.org/blog/?p=3869 gdeveng sir…implemented fork(),simultaneous fork and wait…right nw working on multiple fork.

]]> https://www.emblogic.com/blog/07/implemented-fork/feed/ 0 https://www.emblogic.com/blog/07/3865/ https://www.emblogic.com/blog/07/3865/#comments Wed, 11 Jul 2012 15:09:26 +0000 http://emblogic.org/blog/?p=3865 how can i print : “hello”….printing inverted commas as well.

]]> https://www.emblogic.com/blog/07/3865/feed/ 1 pointers https://www.emblogic.com/blog/07/pointers-3/ https://www.emblogic.com/blog/07/pointers-3/#comments Wed, 11 Jul 2012 14:46:12 +0000 http://emblogic.org/blog/?p=3863 what does this declaration means: char *ptr=”hello”; ??

]]> https://www.emblogic.com/blog/07/pointers-3/feed/ 3 pointers https://www.emblogic.com/blog/07/pointers-2/ https://www.emblogic.com/blog/07/pointers-2/#comments Wed, 11 Jul 2012 14:37:40 +0000 http://emblogic.org/blog/?p=3837 Continue reading →]]> how is memory allocated in expression int *i=100; ?? above statement does’nt show any error..but is the statement correct?? because in documents its written “when a pointer is declared it doesnot point anywhere,we must set it to point sumwhere before using it”..please clarify..

]]> https://www.emblogic.com/blog/07/pointers-2/feed/ 1 makefile https://www.emblogic.com/blog/07/makefile-3/ https://www.emblogic.com/blog/07/makefile-3/#comments Sun, 08 Jul 2012 19:24:41 +0000 http://emblogic.org/blog/?p=3835 Continue reading →]]> myapp: main.o 21.o 22.o
gcc -o myapp main.o 21.o 22.o
main.o: main.c a.h
gcc -c main.c
21.o: 21.c a.h b.h
gcc -c 21.c
22.o: 22.c b.h c.h
gcc -c 22.c
makefile:1: *** recipe commences before first target. Stop.

………how to resolve this?

]]> https://www.emblogic.com/blog/07/makefile-3/feed/ 2