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

Message type for PM_EXEC

Browse source 
Change-Id: I6738716ba835d6196519056bb77afa8ec99f122a
This commit is contained in:
Lionel Sambuc 2014-05-13 16:36:03 +02:00
parent e1986cd160
commit 048d0f0d62
4 changed files with 22 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
include/minix/callnr.h
View file

@ -64,13 +64,6 @@
/* Field names for the exit(2) call. */
#define PM_EXIT_STATUS m1_i1 /* int */
/* Field names for the execve(2) call. */
#define PM_EXEC_NAME m1_p1 /* const char * */
#define PM_EXEC_NAMELEN m1_i1 /* size_t */
#define PM_EXEC_FRAME m1_p2 /* char * */
#define PM_EXEC_FRAMELEN m1_i2 /* size_t */
#define PM_EXEC_PS_STR m1_p3 /* char * */
/* Field names for the kill(2), srv_kill(2), and sigaction(2) calls. */
#define PM_SIG_PID m1_i1 /* pid_t */
#define PM_SIG_NR m1_i2 /* int */

12
include/minix/ipc.h
View file

@ -145,6 +145,17 @@ typedef struct {
} mess_sigcalls;
_ASSERT_MSG_SIZE(mess_sigcalls);
typedef struct {
vir_bytes name;
size_t namelen;
vir_bytes frame;
size_t framelen;
vir_bytes ps_str;
uint8_t padding[36];
} mess_lc_pm_exec;
_ASSERT_MSG_SIZE(mess_lc_pm_exec);
typedef struct {
pid_t pid;
@ -1064,6 +1075,7 @@ typedef struct {
mess_fs_vfs_readsuper m_fs_vfs_readsuper;
mess_fs_vfs_readwrite m_fs_vfs_readwrite;
mess_lc_pm_exec m_lc_pm_exec;
mess_lc_pm_getsid m_lc_pm_getsid;
mess_lc_pm_groups m_lc_pm_groups;
mess_lc_pm_itimer m_lc_pm_itimer;

10
lib/libc/sys-minix/execve.c
View file

@ -44,11 +44,11 @@ int execve(const char *path, char * const *argv, char * const *envp)
memset(&m, 0, sizeof(m));
/* We can finally make the system call. */
m.PM_EXEC_NAME = (char *) __UNCONST(path);
m.PM_EXEC_NAMELEN = strlen(path) + 1;
m.PM_EXEC_FRAME = frame;
m.PM_EXEC_FRAMELEN = frame_size;
m.PM_EXEC_PS_STR = (char *)(vsp + ((char *)psp - frame));
m.m_lc_pm_exec.name = (vir_bytes)path;
m.m_lc_pm_exec.namelen = strlen(path) + 1;
m.m_lc_pm_exec.frame = (vir_bytes)frame;
m.m_lc_pm_exec.framelen = frame_size;
m.m_lc_pm_exec.ps_str = (vir_bytes)(vsp + ((char *)psp - frame));
(void) _syscall(PM_PROC_NR, PM_EXEC, &m);

10
servers/pm/exec.c
View file

@ -42,11 +42,11 @@ int do_exec()
memset(&m, 0, sizeof(m));
m.m_type = VFS_PM_EXEC;
m.VFS_PM_ENDPT = mp->mp_endpoint;
m.VFS_PM_PATH = m_in.PM_EXEC_NAME;
m.VFS_PM_PATH_LEN = m_in.PM_EXEC_NAMELEN;
m.VFS_PM_FRAME = m_in.PM_EXEC_FRAME;
m.VFS_PM_FRAME_LEN = m_in.PM_EXEC_FRAMELEN;
m.VFS_PM_PS_STR = (vir_bytes) m_in.PM_EXEC_PS_STR;
m.VFS_PM_PATH = (void *)m_in.m_lc_pm_exec.name;
m.VFS_PM_PATH_LEN = m_in.m_lc_pm_exec.namelen;
m.VFS_PM_FRAME = (void *)m_in.m_lc_pm_exec.frame;
m.VFS_PM_FRAME_LEN = m_in.m_lc_pm_exec.framelen;
m.VFS_PM_PS_STR = m_in.m_lc_pm_exec.ps_str;
tell_vfs(mp, &m);