lsri.patch

MINIX操作系统的内核修改补丁

diff -c -Nr src.clean/include/minix/callnr.h src/include/minix/callnr.h
*** src.clean/include/minix/callnr.h	2008-11-15 06:52:12.000000000 +0800
--- src/include/minix/callnr.h	2008-12-11 10:20:16.000000000 +0800
***************
*** 57,63 ****
  #define UNPAUSE		  65	/* to MM or FS: check for EINTR */
  #define REVIVE	 	  67	/* to FS: revive a sleeping process */
  #define TASK_REPLY	  68	/* to FS: reply code from tty task */
! 
  /* Posix signal handling. */
  #define SIGACTION	  71
  #define SIGSUSPEND	  72
--- 57,63 ----
  #define UNPAUSE		  65	/* to MM or FS: check for EINTR */
  #define REVIVE	 	  67	/* to FS: revive a sleeping process */
  #define TASK_REPLY	  68	/* to FS: reply code from tty task */
! #define LSRI		  69    /* to FS: list resource information */
  /* Posix signal handling. */
  #define SIGACTION	  71
  #define SIGSUSPEND	  72
diff -c -Nr src.clean/lib/posix/_lsri.c src/lib/posix/_lsri.c
*** src.clean/lib/posix/_lsri.c	1970-01-01 08:00:00.000000000 +0800
--- src/lib/posix/_lsri.c	2008-12-11 10:20:16.000000000 +0800
***************
*** 0 ****
--- 1,8 ----
+ #include <lib.h>
+ 
+ PUBLIC int lsri(char *name){
+   message m;
+   _loadname(name, &m);
+   return(_syscall(FS, LSRI, &m));
+ }
+ 
diff -c -Nr src.clean/lib/posix/Makedepend-ack src/lib/posix/Makedepend-ack
*** src.clean/lib/posix/Makedepend-ack	2008-11-15 06:52:17.000000000 +0800
--- src/lib/posix/Makedepend-ack	2008-12-11 10:20:16.000000000 +0800
***************
*** 2,7 ****
--- 2,8 ----
  	rm .depend-ack
  	touch .depend-ack
  	mkdep 'cc -O -D_MINIX -D_POSIX_SOURCE -E' __exit.c | sed -e 's:^\(.\):../obj-ack//./posix/\1:' >> .depend-ack
+ 	mkdep 'cc -O -D_MINIX -D_POSIX_SOURCE -E' _lsri.c | sed -e 's:^\(.\):../obj-ack//./posix/\1:' >> .depend-ack
  	mkdep 'cc -O -D_MINIX -D_POSIX_SOURCE -E' _access.c | sed -e 's:^\(.\):../obj-ack//./posix/\1:' >> .depend-ack
  	mkdep 'cc -O -D_MINIX -D_POSIX_SOURCE -E' _alarm.c | sed -e 's:^\(.\):../obj-ack//./posix/\1:' >> .depend-ack
  	mkdep 'cc -O -D_MINIX -D_POSIX_SOURCE -E' _cfgetispeed.c | sed -e 's:^\(.\):../obj-ack//./posix/\1:' >> .depend-ack
diff -c -Nr src.clean/lib/posix/Makedepend-gnu src/lib/posix/Makedepend-gnu
*** src.clean/lib/posix/Makedepend-gnu	2008-11-15 06:52:17.000000000 +0800
--- src/lib/posix/Makedepend-gnu	2008-12-11 10:20:16.000000000 +0800
***************
*** 2,7 ****
--- 2,8 ----
  	rm .depend-gnu
  	touch .depend-gnu
  	mkdep 'gcc -O -D_MINIX -D_POSIX_SOURCE -E' __exit.c | sed -e '/<built-in>/d' -e '/<command line>/d' -e 's:^\(.\):../obj-gnu/./posix/\1:' >> .depend-gnu
+ 	mkdep 'gcc -O -D_MINIX -D_POSIX_SOURCE -E' _lsri.c | sed -e '/<built-in>/d' -e '/<command line>/d' -e 's:^\(.\):../obj-gnu/./posix/\1:' >> .depend-gnu
  	mkdep 'gcc -O -D_MINIX -D_POSIX_SOURCE -E' _access.c | sed -e '/<built-in>/d' -e '/<command line>/d' -e 's:^\(.\):../obj-gnu/./posix/\1:' >> .depend-gnu
  	mkdep 'gcc -O -D_MINIX -D_POSIX_SOURCE -E' _alarm.c | sed -e '/<built-in>/d' -e '/<command line>/d' -e 's:^\(.\):../obj-gnu/./posix/\1:' >> .depend-gnu
  	mkdep 'gcc -O -D_MINIX -D_POSIX_SOURCE -E' _cfgetispeed.c | sed -e '/<built-in>/d' -e '/<command line>/d' -e 's:^\(.\):../obj-gnu/./posix/\1:' >> .depend-gnu
diff -c -Nr src.clean/lib/posix/Makefile src/lib/posix/Makefile
*** src.clean/lib/posix/Makefile	2008-11-15 06:52:17.000000000 +0800
--- src/lib/posix/Makefile	2008-12-11 10:20:16.000000000 +0800
***************
*** 20,25 ****
--- 20,26 ----
  all-ack: ../obj-ack//libc.a
  
  ../obj-ack//libc.a: ../obj-ack//libc.a(__exit.o)
+ ../obj-ack//libc.a: ../obj-ack//libc.a(_lsri.o)
  ../obj-ack//libc.a: ../obj-ack//libc.a(_access.o)
  ../obj-ack//libc.a: ../obj-ack//libc.a(_alarm.o)
  ../obj-ack//libc.a: ../obj-ack//libc.a(_cfgetispeed.o)
***************
*** 123,128 ****
--- 124,131 ----
  
  ../obj-ack//libc.a(__exit.o): __exit.c
  	cc -O -D_MINIX -D_POSIX_SOURCE -c -o ../obj-ack//./posix/__exit.o __exit.c
+ ../obj-ack//libc.a(_lsri.o): _lsri.c
+ 	cc -O -D_MINIX -D_POSIX_SOURCE -c -o ../obj-ack//./posix/_lsri.o _lsri.c
  ../obj-ack//libc.a(_access.o): _access.c
  	cc -O -D_MINIX -D_POSIX_SOURCE -c -o ../obj-ack//./posix/_access.o _access.c
  ../obj-ack//libc.a(_alarm.o): _alarm.c
***************
*** 319,324 ****
--- 322,328 ----
  all-gnu: ../obj-gnu/libc.a
  
  ../obj-gnu/libc.a: ../obj-gnu/./posix/__exit.o
+ ../obj-gnu/libc.a: ../obj-gnu/./posix/_lsri.o
  ../obj-gnu/libc.a: ../obj-gnu/./posix/_access.o
  ../obj-gnu/libc.a: ../obj-gnu/./posix/_alarm.o
  ../obj-gnu/libc.a: ../obj-gnu/./posix/_cfgetispeed.o
***************
*** 422,427 ****
--- 426,434 ----
  ../obj-gnu/./posix/__exit.o: __exit.c
  	gcc -O -D_MINIX -D_POSIX_SOURCE -c -o ../obj-gnu/./posix/__exit.o __exit.c
  
+ ../obj-gnu/./posix/_lsri.o: _lsri.c
+ 	gcc -O -D_MINIX -D_POSIX_SOURCE -c -o ../obj-gnu/./posix/_lsri.o _lsri.c
+ 
  ../obj-gnu/./posix/_access.o: _access.c
  	gcc -O -D_MINIX -D_POSIX_SOURCE -c -o ../obj-gnu/./posix/_access.o _access.c
  
diff -c -Nr src.clean/lib/posix/Makefile.in src/lib/posix/Makefile.in
*** src.clean/lib/posix/Makefile.in	2008-11-15 06:52:17.000000000 +0800
--- src/lib/posix/Makefile.in	2008-12-11 10:20:16.000000000 +0800
***************
*** 6,11 ****
--- 6,12 ----
  
  libc_FILES=" \
  	__exit.c \
+ 	_lsri.c \
  	_access.c \
  	_alarm.c \
  	_cfgetispeed.c \
diff -c -Nr src.clean/servers/fs/open.c src/servers/fs/open.c
*** src.clean/servers/fs/open.c	2008-11-15 06:52:22.000000000 +0800
--- src/servers/fs/open.c	2008-12-11 10:20:16.000000000 +0800
***************
*** 519,525 ****
    sip = new_node(&ldirp, user_path, (mode_t) (I_SYMBOLIC_LINK | RWX_MODES),
                   (zone_t) 0, TRUE, string);
  
!   /* Allocate a disk block for the contents of the symlink.
     * Copy contents of symlink (the name pointed to) into first disk block.
     */
    if ((r = err_code) == OK) {
--- 519,525 ----
    sip = new_node(&ldirp, user_path, (mode_t) (I_SYMBOLIC_LINK | RWX_MODES),
                   (zone_t) 0, TRUE, string);
  
! /* Allocate a disk block for the contents of the symlink.
     * Copy contents of symlink (the name pointed to) into first disk block.
     */
    if ((r = err_code) == OK) {
***************
*** 560,563 ****
  
    return(r);
  }
- 
--- 560,562 ----
diff -c -Nr src.clean/servers/fs/proto.h src/servers/fs/proto.h
*** src.clean/servers/fs/proto.h	2008-11-15 06:52:22.000000000 +0800
--- src/servers/fs/proto.h	2008-12-11 10:20:16.000000000 +0800
***************
*** 115,120 ****
--- 115,121 ----
  _PROTOTYPE( int do_mkdir, (void)					);
  _PROTOTYPE( int do_open, (void)						);
  _PROTOTYPE( int do_slink, (void)                                       );
+ _PROTOTYPE( int do_lsri, (void)						);
  
  /* path.c */
  _PROTOTYPE( struct inode *advance,(struct inode **dirp, char string[NAME_MAX]));
diff -c -Nr src.clean/servers/fs/table.c src/servers/fs/table.c
*** src.clean/servers/fs/table.c	2008-11-15 06:52:22.000000000 +0800
--- src/servers/fs/table.c	2008-12-11 10:20:16.000000000 +0800
***************
*** 85,91 ****
  	no_sys, 	/* 66 = unused  */
  	do_revive,	/* 67 = REVIVE	*/
  	no_sys,		/* 68 = TASK_REPLY	*/
! 	no_sys,		/* 69 = unused */
  	no_sys,		/* 70 = unused */
  	no_sys,		/* 71 = si */
  	no_sys,		/* 72 = sigsuspend */
--- 85,91 ----
  	no_sys, 	/* 66 = unused  */
  	do_revive,	/* 67 = REVIVE	*/
  	no_sys,		/* 68 = TASK_REPLY	*/
! 	do_lsri,	/* 69 = list resource information */
  	no_sys,		/* 70 = unused */
  	no_sys,		/* 71 = si */
  	no_sys,		/* 72 = sigsuspend */
diff -c -Nr src.clean/servers/fs/write.c src/servers/fs/write.c
*** src.clean/servers/fs/write.c	2008-11-15 06:52:22.000000000 +0800
--- src/servers/fs/write.c	2008-12-11 10:21:19.000000000 +0800
***************
*** 14,24 ****
--- 14,66 ----
  #include "fproc.h"
  #include "inode.h"
  #include "super.h"
+ #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <minix/callnr.h>
+ #include <minix/com.h>
+ #include "lock.h"
+ #include "param.h"
  
  FORWARD _PROTOTYPE( void wr_indir, (struct buf *bp, int index, zone_t zone) );
  FORWARD _PROTOTYPE( int empty_indir, (struct buf *, struct super_block *) );
  
  /*===========================================================================*
+  *				do_lsri()				     *
+  *===========================================================================*/
+ PUBLIC int do_lsri(){
+   struct inode *rip;
+   int i;
+   int j;
+   int k;
+   if (fetch_name(m_in.name, m_in.name_length, M3)!=OK) return(err_code);
+   if ((rip=eat_path(user_path))==NIL_INODE) return(err_code);
+   for (i=0;i<NR_FILPS;i++){
+     if (filp[i].filp_ino==rip){
+ 	for(j=0;j<NR_PROCS;j++){
+ 	  for (k=0;k<OPEN_MAX;k++){
+ 	    if (fproc[j].fp_filp[k]==&(filp[i])){
+ 	      printf("the pid is %d.\n",fproc[j].fp_pid);
+ 	    }
+ 	  }
+ 	}
+     }
+   }
+   if ((rip->i_mode & I_TYPE) == I_IMMED){
+     printf("The file is immediate file.\n");
+     return(OK);
+   }
+   if (rip->i_size ==0){
+     printf("The file is empty.\n");
+     return(OK);
+   }
+   for (i=0;i<rip->i_size;i+=rip->i_sp->s_block_size){
+     printf("the block num is:%d\n",read_map(rip,i));	  
+   }
+   return(OK);
+ }
+ 
+ /*===========================================================================*
   *				do_write				     *
   *===========================================================================*/
  PUBLIC int do_write()