sanchayanmaity/minix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Message type for VFS_{,L}STAT

Browse source 
Change-Id: I61db8484c14f0371214a0495774dc0b1d97f2099
This commit is contained in:
Lionel Sambuc 2014-05-12 14:12:18 +02:00
parent c5b1fc6f0d
commit cd0fd5e725
4 changed files with 22 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
include/minix/callnr.h
View file

@ -232,11 +232,6 @@
#define NR_VFS_CALLS 49 /* highest number from base plus one */ #define NR_VFS_CALLS 49 /* highest number from base plus one */
/* Field names for the stat(2) and lstat(2) calls. */
#define VFS_STAT_NAME m1_p1 /* const char * */
#define VFS_STAT_LEN m1_i1 /* size_t */
#define VFS_STAT_BUF m1_p2 /* struct stat * */
/* Field names for the fstat(2) call. */ /* Field names for the fstat(2) call. */
#define VFS_FSTAT_FD m1_i1 /* int */ #define VFS_FSTAT_FD m1_i1 /* int */
#define VFS_FSTAT_BUF m1_p1 /* struct stat * */ #define VFS_FSTAT_BUF m1_p1 /* struct stat * */

10
include/minix/ipc.h
View file

@ -243,6 +243,15 @@ typedef struct {
} mess_lc_vfs_select; } mess_lc_vfs_select;
_ASSERT_MSG_SIZE(mess_lc_vfs_select); _ASSERT_MSG_SIZE(mess_lc_vfs_select);
typedef struct {
size_t len;
vir_bytes name; /* const char * */
vir_bytes buf; /* struct stat * */
uint8_t padding[44];
} mess_lc_vfs_stat;
_ASSERT_MSG_SIZE(mess_lc_vfs_stat);
typedef struct { typedef struct {
int fd; int fd;
int flags; int flags;
@ -769,6 +778,7 @@ typedef struct {
mess_lc_vfs_pipe2 m_lc_vfs_pipe2; mess_lc_vfs_pipe2 m_lc_vfs_pipe2;
mess_lc_vfs_readlink m_lc_vfs_readlink; mess_lc_vfs_readlink m_lc_vfs_readlink;
mess_lc_vfs_select m_lc_vfs_select; mess_lc_vfs_select m_lc_vfs_select;
mess_lc_vfs_stat m_lc_vfs_stat;
mess_lc_vfs_statvfs1 m_lc_vfs_statvfs1; mess_lc_vfs_statvfs1 m_lc_vfs_statvfs1;
mess_lc_vfs_truncate m_lc_vfs_truncate; mess_lc_vfs_truncate m_lc_vfs_truncate;
mess_lc_vfs_umask m_lc_vfs_umask; mess_lc_vfs_umask m_lc_vfs_umask;

12
lib/libc/sys-minix/stat.c
View file

@ -20,9 +20,9 @@ int stat(const char *name, struct stat *buffer)
message m; message m;
memset(&m, 0, sizeof(m)); memset(&m, 0, sizeof(m));
m.VFS_STAT_LEN = strlen(name) + 1; m.m_lc_vfs_stat.len = strlen(name) + 1;
m.VFS_STAT_NAME = (char *) __UNCONST(name); m.m_lc_vfs_stat.name = (vir_bytes)name;
m.VFS_STAT_BUF = (char *) buffer; m.m_lc_vfs_stat.buf = (vir_bytes)buffer;
return _syscall(VFS_PROC_NR, VFS_STAT, &m); return _syscall(VFS_PROC_NR, VFS_STAT, &m);
} }
@ -43,9 +43,9 @@ int lstat(const char *name, struct stat *buffer)
message m; message m;
memset(&m, 0, sizeof(m)); memset(&m, 0, sizeof(m));
m.VFS_STAT_LEN = strlen(name) + 1; m.m_lc_vfs_stat.len = strlen(name) + 1;
m.VFS_STAT_NAME = (char *) __UNCONST(name); m.m_lc_vfs_stat.name = (vir_bytes)name;
m.VFS_STAT_BUF = (char *) buffer; m.m_lc_vfs_stat.buf = (vir_bytes)buffer;
return _syscall(VFS_PROC_NR, VFS_LSTAT, &m); return _syscall(VFS_PROC_NR, VFS_LSTAT, &m);
} }

12
servers/vfs/stadir.c
View file

@ -148,9 +148,9 @@ int do_stat(void)
vir_bytes vname1, statbuf; vir_bytes vname1, statbuf;
size_t vname1_length; size_t vname1_length;
vname1 = (vir_bytes) job_m_in.VFS_STAT_NAME; vname1 = job_m_in.m_lc_vfs_stat.name;
vname1_length = (size_t) job_m_in.VFS_STAT_LEN; vname1_length = job_m_in.m_lc_vfs_stat.len;
statbuf = (vir_bytes) job_m_in.VFS_STAT_BUF; statbuf = job_m_in.m_lc_vfs_stat.buf;
lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp); lookup_init(&resolve, fullpath, PATH_NOFLAGS, &vmp, &vp);
resolve.l_vmnt_lock = VMNT_READ; resolve.l_vmnt_lock = VMNT_READ;
@ -426,9 +426,9 @@ int do_lstat(void)
vir_bytes vname1, statbuf; vir_bytes vname1, statbuf;
size_t vname1_length; size_t vname1_length;
vname1 = (vir_bytes) job_m_in.VFS_STAT_NAME; vname1 = job_m_in.m_lc_vfs_stat.name;
vname1_length = (size_t) job_m_in.VFS_STAT_LEN; vname1_length = job_m_in.m_lc_vfs_stat.len;
statbuf = (vir_bytes) job_m_in.VFS_STAT_BUF; statbuf = job_m_in.m_lc_vfs_stat.buf;
lookup_init(&resolve, fullpath, PATH_RET_SYMLINK, &vmp, &vp); lookup_init(&resolve, fullpath, PATH_RET_SYMLINK, &vmp, &vp);
resolve.l_vmnt_lock = VMNT_READ; resolve.l_vmnt_lock = VMNT_READ;