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Copy path2018254.patch
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151 lines (148 loc) · 4.62 KB
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diff -ruN linux-3.16.0_orig/arch/x86/syscalls/syscall_32.tbl linux-3.16.0/arch/x86/syscalls/syscall_32.tbl
--- linux-3.16.0_orig/arch/x86/syscalls/syscall_32.tbl 2019-09-29 15:19:25.067281999 +0530
+++ linux-3.16.0/arch/x86/syscalls/syscall_32.tbl 2019-09-29 17:27:09.547281999 +0530
@@ -361,3 +361,4 @@
352 i386 sched_getattr sys_sched_getattr
353 i386 renameat2 sys_renameat2
354 i386 seccomp sys_seccomp
+355 i386 sh_task_info sys_sh_task_info
diff -ruN linux-3.16.0_orig/arch/x86/syscalls/syscall_64.tbl linux-3.16.0/arch/x86/syscalls/syscall_64.tbl
--- linux-3.16.0_orig/arch/x86/syscalls/syscall_64.tbl 2019-09-29 15:19:25.067281999 +0530
+++ linux-3.16.0/arch/x86/syscalls/syscall_64.tbl 2019-09-29 17:24:52.891281999 +0530
@@ -362,3 +362,4 @@
542 x32 getsockopt compat_sys_getsockopt
543 x32 io_setup compat_sys_io_setup
544 x32 io_submit compat_sys_io_submit
+545 64 sh_task_info sys_sh_task_info
diff -ruN linux-3.16.0_orig/include/linux/syscalls.h linux-3.16.0/include/linux/syscalls.h
--- linux-3.16.0_orig/include/linux/syscalls.h 2019-09-29 15:19:26.295281999 +0530
+++ linux-3.16.0/include/linux/syscalls.h 2019-09-29 17:30:39.755281999 +0530
@@ -868,4 +868,5 @@
asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags);
asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
const char __user *uargs);
+asmlinkage long sys_sh_task_info(int pid, char *filename);
#endif
diff -ruN linux-3.16.0_orig/Makefile linux-3.16.0/Makefile
--- linux-3.16.0_orig/Makefile 2019-09-29 15:19:25.483281999 +0530
+++ linux-3.16.0/Makefile 2019-09-29 17:23:10.651281999 +0530
@@ -850,7 +850,7 @@
ifeq ($(KBUILD_EXTMOD),)
-core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
+core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ sh_task_info/
vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
$(core-y) $(core-m) $(drivers-y) $(drivers-m) \
diff -ruN linux-3.16.0_orig/sh_task_info/Makefile linux-3.16.0/sh_task_info/Makefile
--- linux-3.16.0_orig/sh_task_info/Makefile 1970-01-01 05:30:00.000000000 +0530
+++ linux-3.16.0/sh_task_info/Makefile 2019-09-29 17:19:20.191281999 +0530
@@ -0,0 +1 @@
+obj-y := sh_task_info.o
diff -ruN linux-3.16.0_orig/sh_task_info/sh_task_info.c linux-3.16.0/sh_task_info/sh_task_info.c
--- linux-3.16.0_orig/sh_task_info/sh_task_info.c 1970-01-01 05:30:00.000000000 +0530
+++ linux-3.16.0/sh_task_info/sh_task_info.c 2019-09-29 17:19:20.191281999 +0530
@@ -0,0 +1,105 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/syscalls.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/fcntl.h>
+#include <asm/uaccess.h>
+
+asmlinkage long sys_sh_task_info(int pid, char *filename)
+{
+ struct task_struct *task;
+ struct file *file;
+ loff_t pos = 0;
+ int fd;
+
+ mm_segment_t old_fs = get_fs();
+ set_fs(KERNEL_DS);
+
+// char* strcat1(char* , char*);
+
+ fd = sys_open(filename, O_WRONLY|O_CREAT, 0644);
+ int flag = 0;
+ for_each_process(task)
+ {
+ if(task->pid == pid)
+ {
+ flag = 1;
+ printk(KERN_ALERT "Process: %s\n \
+ PID_Number: %ld\n \
+ Process State: %ld\n \
+ Priority: %ld\n \
+ RT_Priority: %ld\n \
+ Static Priority: %ld\n \
+ Normal Priority: %ld\n ",
+ task->comm, \
+ task_pid_nr(task), \
+ task->state, \
+ task->prio, \
+ task->rt_priority, \
+ task->static_prio, \
+ task->normal_prio \
+ );
+ char data[500];
+// data = strcat1(data,task->comm);
+// data = strcat1(data,task_pid_nr(task));
+// data = strcat1(data,task->state);
+// data = strcat1(data,task->prio);
+// data = strcat1(data,task->rt_priority);
+// data = strcat1(data,task->static_prio);
+// data = strcat1(data,task->normal_prio);
+ sprintf(data,"Process: %s\n \
+ PID_Number: %ld\n \
+ Process State: %ld\n \
+ Priority: %ld\n \
+ RT_Priority: %ld\n \
+ Static Priority: %ld\n \
+ Normal Priority: %ld\n",
+ task->comm, \
+ task_pid_nr(task), \
+ task->state, \
+ task->prio, \
+ task->rt_priority, \
+ task->static_prio, \
+ task->normal_prio \
+ );
+ if(fd >= 0)
+ {
+ sys_write(fd, data, strlen(data));
+ file = fget(fd);
+ if(file)
+ {
+ vfs_write(file, data, strlen(data), &pos);
+ fput(file);
+ }
+ sys_close(fd);
+ }
+ else
+ {
+ return -2;
+ }
+ }
+ }
+ set_fs(old_fs);
+ if(flag == 0)
+ {
+ return -1;
+ }
+ return 0;
+}
+//char * strcat1(char *dest, char *src)
+//{
+// int i,j;
+// for(i = 0; dest[i] != '\0' ; i++);
+//
+// for(j = 0; src[j] != '\0' ; j++)
+// {
+// dest[i+j] = src[j];
+// }
+// dest[i+j] = '\n';
+// dest[i+j+1] = '\0';
+//
+// return dest;
+//}