in write and read functions we are provided with a pointer to the file structure namely filp and we know this can change the position of the current read/write position namely the f_pos field in the struct file….but when in … Continue reading →

what could be a practical example of the usage of the shared global variables in threads….is the usage similar to the shared memory???

the obvious thought which comes in everybody’s mind is that when we give major and minor number at the time of mknod ,the device being opened is the one with the given minor number….i am also thinking the same…but discrepancy … Continue reading →

#include void use_int(void *); void use_float(void *); void greeting(void (*)(void *), void *); int main(void) { char ans; int i_age = 22; float f_age = 22.0; void *p; printf(“Use int (i) or float (f)? “); scanf(“%c”, &ans); if (ans == … Continue reading →

implemented sculls successfully at the application level……it took some time but was worth it

i have checked in general that if we take void* data; and then do data=(char*)malloc(sizeof(char)); then it gives no warning but if we take void** data; and then i do data=(char**)malloc(sizeof(char*)); then it gives a warning of incompatible pointer assignment…..help … Continue reading →

in sculls do we have to make a linked representation of a queue and then insert elements into that queue by changing the rear pointerie that rear pointer will subsequently point to the location of the node of the linked … Continue reading →