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getsid() implementation

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This commit is contained in:
Ben Gras 2011-08-02 19:22:08 +02:00
parent c0bb1ba1b1
commit c4ea2a195c
7 changed files with 34 additions and 3 deletions
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4
common/include/minix/callnr.h
View file

@ -1,4 +1,4 @@
#define NCALLS 113 /* number of system calls allowed */
#define NCALLS 114 /* number of system calls allowed */
#define EXIT 1
#define FORK 2
@ -120,6 +120,8 @@
#define FSTAT 66
#define LSTAT 67
#define PM_GETSID 113 /* PM getsid() */
#define TASK_REPLY 121 /* to VFS: reply code from drivers, not
* really a standalone call.
*/

3
common/include/minix/com.h
View file

@ -260,6 +260,9 @@
#define STATVFS_LEN m1_i1
#define STATVFS_NAME m1_p1
#define STATVFS_BUF m1_p2
#define PM_GETSID_PID m1_i1
/*===========================================================================*
* Messages for networking layer *
*===========================================================================*/

2
lib/nbsd_libc/sys-minix/Makefile.inc
View file

@ -1,6 +1,6 @@
.PATH: ${.CURDIR}/sys-minix
SRCS+= accept.c access.c bind.c brk.c sbrk.c m_closefrom.c compat.S \
SRCS+= accept.c access.c bind.c brk.c sbrk.c m_closefrom.c getsid.c compat.S \
chdir.c chmod.c fchmod.c chown.c fchown.c chroot.c close.c \
connect.c dup.c dup2.c execve.c fcntl.c flock.c fpathconf.c fork.c \
fstatfs.c fstatvfs.c fsync.c ftruncate.c getdents.c getegid.c getgid.c \

14
lib/nbsd_libc/sys-minix/getsid.c Normal file
View file

@ -0,0 +1,14 @@
#include <sys/cdefs.h>
#include <lib.h>
#include "namespace.h"
#include <unistd.h>
pid_t getsid(pid_t p)
{
message m;
memset(&m, 0, sizeof(m));
m.PM_GETSID_PID = p;
return(_syscall(PM_PROC_NR, PM_GETSID, &m));
}

12
servers/pm/getset.c
View file

@ -18,7 +18,7 @@
*===========================================================================*/
PUBLIC int do_get()
{
/* Handle GETUID, GETGID, GETPID, GETPGRP.
/* Handle GETUID, GETGID, GETPID, GETPGRP, GETSID.
*/
register struct mproc *rmp = mp;
@ -68,6 +68,16 @@ PUBLIC int do_get()
r = rmp->mp_procgrp;
break;
case PM_GETSID:
{
struct mproc *target;
pid_t p = m_in.PM_GETSID_PID;
target = p ? find_proc(p) : &mproc[who_p];
r = ESRCH;
if(target)
r = target->mp_procgrp;
break;
}
default:
r = EINVAL;
break;

1
servers/pm/table.c
View file

@ -125,6 +125,7 @@ _PROTOTYPE (int (*call_vec[]), (void) ) = {
do_getdma, /* 110 = getdma */
do_srv_kill, /* 111 = srv_kill */
no_sys, /* 112 = gcov_flush */
do_get, /* 113 = getsid */
};
/* This should not fail with "array size is negative": */
extern int dummy[sizeof(call_vec) == NCALLS * sizeof(call_vec[0]) ? 1 : -1];

1
servers/vfs/table.c
View file

@ -129,6 +129,7 @@ PUBLIC _PROTOTYPE (int (*call_vec[]), (void) ) = {
no_sys, /* 110 = (getdma) */
no_sys, /* 111 = (srv_kill) */
do_gcov_flush, /* 112 = gcov_flush */
no_sys, /* 113 = (getsid) */
};
/* This should not fail with "array size is negative": */
extern int dummy[sizeof(call_vec) == NCALLS * sizeof(call_vec[0]) ? 1 : -1];