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#include "lua.hh"
#include <signal.h>
#include <cstdlib>
#include "platform.hh"
using std::malloc;
using std::free;
LUAEXT(get_ostype, )
{
std::string str;
get_system_flavour(str);
lua_pushstring(L, str.c_str());
return 1;
}
LUAEXT(existsonpath, )
{
const char *exe = luaL_checkstring(L, -1);
lua_pushnumber(L, existsonpath(exe));
return 1;
}
LUAEXT(is_executable, )
{
const char *path = luaL_checkstring(L, -1);
lua_pushboolean(L, is_executable(path));
return 1;
}
LUAEXT(make_executable, )
{
const char *path = luaL_checkstring(L, -1);
lua_pushnumber(L, make_executable(path));
return 1;
}
LUAEXT(spawn, )
{
int n = lua_gettop(L);
const char *path = luaL_checkstring(L, 1);
char **argv = (char**)malloc((n+1)*sizeof(char*));
int i;
pid_t ret;
if (argv==NULL)
return 0;
argv[0] = (char*)path;
for (i=1; i<n; i++) argv[i] = (char*)luaL_checkstring(L, i+1);
argv[i] = NULL;
ret = process_spawn(argv);
free(argv);
lua_pushnumber(L, ret);
return 1;
}
LUAEXT(spawn_redirected, )
{
int n = lua_gettop(L);
char const * infile = luaL_checkstring(L, 1);
char const * outfile = luaL_checkstring(L, 2);
char const * errfile = luaL_checkstring(L, 3);
const char *path = luaL_checkstring(L, 4);
n -= 3;
char **argv = (char**)malloc((n+1)*sizeof(char*));
int i;
pid_t ret;
if (argv==NULL)
return 0;
argv[0] = (char*)path;
for (i=1; i<n; i++) argv[i] = (char*)luaL_checkstring(L, i+4);
argv[i] = NULL;
ret = process_spawn_redirected(infile, outfile, errfile, argv);
free(argv);
lua_pushnumber(L, ret);
return 1;
}
LUAEXT(wait, )
{
pid_t pid = static_cast<pid_t>(luaL_checknumber(L, -1));
int res;
int ret;
ret = process_wait(pid, &res);
lua_pushnumber(L, res);
lua_pushnumber(L, ret);
return 2;
}
LUAEXT(kill, )
{
int n = lua_gettop(L);
pid_t pid = static_cast<pid_t>(luaL_checknumber(L, -2));
int sig;
if (n>1)
sig = static_cast<int>(luaL_checknumber(L, -1));
else
sig = SIGTERM;
lua_pushnumber(L, process_kill(pid, sig));
return 1;
}
LUAEXT(sleep, )
{
int seconds = static_cast<int>(luaL_checknumber(L, -1));
lua_pushnumber(L, process_sleep(seconds));
return 1;
}
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