Pipe is a method of creating the standard output of one process to the standard input of another process.When a process creates a pipe using pipe() system call , the pipe() system call finds the first two available file-descriptors in … Continue reading
Semaphore in Scull Scenario :Writer application must execute before the reader application. There are two applications which have to perform several operations on the node 1. Application 1: Application 1 is a multithreaded application in which open() , write() and … Continue reading
RCS file: rotate_linked_list.c,v Working file: rotate_linked_list.c head: 1.14 branch: locks: strict root: 1.14 access list: symbolic names: keyword substitution: kv total revisions: 14; selected revisions: 14 description: Code to demonstrate how to rotate the single linked list counter clockwise by … Continue reading
RCS file: generic_double_linkedlist.c,v Working file: generic_double_linkedlist.c head: 1.15 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 15; selected revisions: 15 description: Code to demonstrate how to implement create , insert , display and delete operations in … Continue reading
Difference between loff_t *loff and filep->f_pos: When an application issues write() system call , chardev_write() function is called because it is mapped to (*write) function pointer.chardev_write() function contains 4 arguments namely: 1. A pointer to the struct file structure. … Continue reading
RCS file: readf.c,v Working file: readf.c head: 1.18 branch: locks: strict root: 1.18 access list: symbolic names: keyword substitution: kv total revisions: 18; selected revisions: 18 description: chardev_read() function reside here which is responsible for performing the read operation. —————————- … Continue reading
RCS file: readf.c,v Working file: readf.c head: 1.14 branch: locks: strict access list: symbolic names: keyword substitution: kv total revisions: 14; selected revisions: 14 description: chardev_read() function reside here which is responsible for performing the read operation. —————————- revision 1.14 … Continue reading
RCS file: readf.c,v Working file: readf.c head: 1.11 branch: locks: strict root: 1.11 access list: symbolic names: keyword substitution: kv total revisions: 11; selected revisions: 11 description: chardev_read() function is implemented here in this file. —————————- revision 1.11 locked by: … Continue reading
RCS file: writef.c,v Working file: writef.c head: 1.19 branch: locks: strict root: 1.19 access list: symbolic names: keyword substitution: kv total revisions: 19; selected revisions: 19 description: chardev_write() function reside here. —————————- revision 1.19 locked by: root; date: 2014/03/03 19:00:50; … Continue reading
RCS file: writef.c,v Working file: writef.c head: 1.37 branch: locks: strict root: 1.37 access list: symbolic names: keyword substitution: kv total revisions: 37; selected revisions: 37 description: chardev_write() function reside here. —————————- revision 1.37 locked by: root; date: 2014/03/04 18:55:04; … Continue reading
RCS file: openf.c,v Working file: openf.c head: 1.14 branch: locks: strict root: 1.14 access list: symbolic names: keyword substitution: kv total revisions: 14; selected revisions: 14 description: The functionality of chardev_open() is implemented here inside this file.Whenever the application calls … Continue reading
RCS file: writef.c,v Working file: writef.c head: 1.15 branch: locks: strict root: 1.15 access list: symbolic names: keyword substitution: kv total revisions: 15; selected revisions: 15 description: chardev_write() function reside here. —————————- revision 1.15 locked by: root; date: 2014/03/01 11:19:07; … Continue reading
RCS file: openf.c,v Working file: openf.c head: 1.6 branch: locks: strict root: 1.6 access list: symbolic names: keyword substitution: kv total revisions: 6; selected revisions: 6 description: The functionality of chardev_open() is implemented here inside this file.Whenever the application calls … Continue reading
RCS file: header.h,v Working file: header.h head: 1.16 branch: locks: strict root: 1.16 access list: symbolic names: keyword substitution: kv total revisions: 16; selected revisions: 16 description: Base header file that includes the definitions of all the macros,structures and contains … Continue reading
RCS file: header.h,v Working file: header.h head: 1.16 branch: locks: strict root: 1.16 access list: symbolic names: keyword substitution: kv total revisions: 16; selected revisions: 16 description: Base header file that includes the definitions of all the macros,structures and contains … Continue reading