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}
return(retval);
}
static int tclsystem_tsmf_start_svc(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
struct timeval select_timeout;
Tcl_WideInt umask_tclval;
Tcl_Obj *filename_obj, *env_obj, *logfile_obj, **env_entry_objv, *cwd_obj, *umask_obj, *user_obj, *group_obj, *sri_obj;
pid_t child, child_pgid = -1;
ssize_t read_ret;
time_t currtime;
mode_t umask_val;
if (objc != 9) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::tsmf_start_svc sri filename logfile env cwd umask user group\"", -1));
return(TCL_ERROR);
}
/* 1.b. Identify Tcl_Objs to use for each argument */
sri_obj = objv[1];
filename_obj = objv[2];
logfile_obj = objv[3];
env_obj = objv[4];
cwd_obj = objv[5];
umask_obj = objv[6];
user_obj = objv[7];
group_obj = objv[8];
/* 1.c. Store string arguments */
filename = Tcl_GetString(filename_obj);
logfile = Tcl_GetString(logfile_obj);
cwd = Tcl_GetString(cwd_obj);
user = Tcl_GetString(user_obj);
group = Tcl_GetString(group_obj);
/* 1.d. Integer objects */
tcl_ret = Tcl_GetWideIntFromObj(interp, umask_obj, &umask_tclval);
if (tcl_ret != TCL_OK) {
return(tcl_ret);
}
umask_val = umask_tclval;
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}
return(retval);
}
static int tclsystem_tsmf_start_svc(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
struct timeval select_timeout;
Tcl_WideInt umask_val, timeout_val;
Tcl_Obj *filename_obj, *env_obj, *logfile_obj, **env_entry_objv, *cwd_obj, *umask_obj, *user_obj, *group_obj;
Tcl_Obj *sri_obj, *timeout_obj;
pid_t child, child_pgid = -1;
ssize_t read_ret;
time_t currtime;
char *argv[3], *envv[512];
char *logfile, *filename, *cwd, *user, *group;
char logmsg[2048];
fd_set read_fdset;
int pipe_ret, setsid_ret, execve_ret, tcl_ret, select_ret;
int null_fd, log_fd, tmp_fd, max_fd;
int env_entry_objc;
int fds[2], fd;
int status;
int idx;
/* 1. Parse arguments */
/* 1.a. Ensure the correct number of arguments were passed */
if (objc != 10) {
Tcl_SetObjResult(interp, Tcl_NewStringObj("wrong # args: should be \"::system::syscall::tsmf_start_svc sri filename logfile env cwd umask user group timeout\"", -1));
return(TCL_ERROR);
}
/* 1.b. Identify Tcl_Objs to use for each argument */
sri_obj = objv[1];
filename_obj = objv[2];
logfile_obj = objv[3];
env_obj = objv[4];
cwd_obj = objv[5];
umask_obj = objv[6];
user_obj = objv[7];
group_obj = objv[8];
timeout_obj = objv[9];
/* 1.c. Store string arguments */
filename = Tcl_GetString(filename_obj);
logfile = Tcl_GetString(logfile_obj);
cwd = Tcl_GetString(cwd_obj);
user = Tcl_GetString(user_obj);
group = Tcl_GetString(group_obj);
/* 1.d. Integer objects */
tcl_ret = Tcl_GetWideIntFromObj(interp, umask_obj, &umask_val);
if (tcl_ret != TCL_OK) {
return(tcl_ret);
}
tcl_ret = Tcl_GetWideIntFromObj(interp, timeout_obj, &timeout_val);
if (tcl_ret != TCL_OK) {
return(tcl_ret);
}
/* 1.e. Process environment */
tcl_ret = Tcl_ListObjGetElements(interp, env_obj, &env_entry_objc, &env_entry_objv);
if (tcl_ret != TCL_OK) {
return(tcl_ret);
}
for (idx = 0; idx < MIN(env_entry_objc, sizeof(envv) / sizeof(envv[0]) - 1); idx++) {
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if (child != 0) {
/* 4.parent. Get PGID from child */
/* 4.parent.a. Close write end of pipe -- we are read-only */
close(fds[1]);
fd = fds[0];
/* 4.parent.b. Read process group ID of child from pipe */
select_timeout.tv_sec = 30;
select_timeout.tv_usec = 0;
FD_ZERO(&read_fdset);
FD_SET(fd, &read_fdset);
select_ret = select(fd + 1, &read_fdset, NULL, NULL, &select_timeout);
if (select_ret == 0) {
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if (child != 0) {
/* 4.parent. Get PGID from child */
/* 4.parent.a. Close write end of pipe -- we are read-only */
close(fds[1]);
fd = fds[0];
/* 4.parent.b. Read process group ID of child from pipe */
select_timeout.tv_sec = timeout_val;
select_timeout.tv_usec = 0;
FD_ZERO(&read_fdset);
FD_SET(fd, &read_fdset);
select_ret = select(fd + 1, &read_fdset, NULL, NULL, &select_timeout);
if (select_ret == 0) {
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