nixio: Implement protable behaviour of signal(), export more error

constants

diff --git a/libs/nixio/src/nixio.c b/libs/nixio/src/nixio.c
index d433ba4..1338371 100644 (file)
--- a/libs/nixio/src/nixio.c
+++ b/libs/nixio/src/nixio.c
@@ -130,7 +130,7 @@ LUALIB_API int luaopen_nixio(lua_State *L) {
        lua_setfield(L, -2, "version");
 
        /* some constants */
-       lua_createtable(L, 0, 16);
+       lua_createtable(L, 0, 49);
 
        NIXIO_PUSH_CONSTANT(EACCES);
        NIXIO_PUSH_CONSTANT(EINTR);
@@ -140,6 +140,33 @@ LUALIB_API int luaopen_nixio(lua_State *L) {
        NIXIO_PUSH_CONSTANT(EAGAIN);
        NIXIO_PUSH_CONSTANT(ENOMEM);
        NIXIO_PUSH_CONSTANT(ENOENT);
+       NIXIO_PUSH_CONSTANT(ECHILD);
+       NIXIO_PUSH_CONSTANT(EIO);
+       NIXIO_PUSH_CONSTANT(EBADF);
+       NIXIO_PUSH_CONSTANT(EFAULT);
+       NIXIO_PUSH_CONSTANT(EFBIG);
+       NIXIO_PUSH_CONSTANT(ENOSPC);
+       NIXIO_PUSH_CONSTANT(EPIPE);
+       NIXIO_PUSH_CONSTANT(ESPIPE);
+       NIXIO_PUSH_CONSTANT(EISDIR);
+       NIXIO_PUSH_CONSTANT(EPERM);
+       NIXIO_PUSH_CONSTANT(EEXIST);
+       NIXIO_PUSH_CONSTANT(ELOOP);
+       NIXIO_PUSH_CONSTANT(EMFILE);
+       NIXIO_PUSH_CONSTANT(ENAMETOOLONG);
+       NIXIO_PUSH_CONSTANT(ENFILE);
+       NIXIO_PUSH_CONSTANT(ENODEV);
+       NIXIO_PUSH_CONSTANT(ENOTDIR);
+       NIXIO_PUSH_CONSTANT(ENXIO);
+       NIXIO_PUSH_CONSTANT(EOVERFLOW);
+       NIXIO_PUSH_CONSTANT(EROFS);
+       NIXIO_PUSH_CONSTANT(ETXTBSY);
+       NIXIO_PUSH_CONSTANT(EAFNOSUPPORT);
+       NIXIO_PUSH_CONSTANT(ENOBUFS);
+       NIXIO_PUSH_CONSTANT(EPROTONOSUPPORT);
+       NIXIO_PUSH_CONSTANT(ENOPROTOOPT);
+       NIXIO_PUSH_CONSTANT(EBUSY);
+       NIXIO_PUSH_CONSTANT(ESRCH);
        NIXIO_PUSH_CONSTANT(SIGALRM);
        NIXIO_PUSH_CONSTANT(SIGINT);
        NIXIO_PUSH_CONSTANT(SIGTERM);
@@ -148,6 +175,12 @@ LUALIB_API int luaopen_nixio(lua_State *L) {
        NIXIO_PUSH_CONSTANT(SIGSTOP);
        NIXIO_PUSH_CONSTANT(SIGCONT);
        NIXIO_PUSH_CONSTANT(SIGSEGV);
+       NIXIO_PUSH_CONSTANT(SIGCHLD);
+       NIXIO_PUSH_CONSTANT(SIGQUIT);
+       NIXIO_PUSH_CONSTANT(SIGUSR1);
+       NIXIO_PUSH_CONSTANT(SIGUSR2);
+       NIXIO_PUSH_CONSTANT(SIGPOLL);
+       NIXIO_PUSH_CONSTANT(SIGURG);
 
        lua_setfield(L, -2, "const");
 

diff --git a/libs/nixio/src/process.c b/libs/nixio/src/process.c
index 69f19b7..af44484 100644 (file)
--- a/libs/nixio/src/process.c
+++ b/libs/nixio/src/process.c
@@ -36,6 +36,19 @@ static int nixio_fork(lua_State *L) {
        }
 }
 
+static int nixio_signal(lua_State *L) {
+       int sig = luaL_checkinteger(L, 1);
+       const char *val = luaL_checkstring(L, 2);
+
+       if (!strcmp(val, "ign") || !strcmp(val, "ignore")) {
+               return nixio__pstatus(L, signal(sig, SIG_IGN) != SIG_ERR);
+       } else if (!strcmp(val, "dfl") || !strcmp(val, "default")) {
+               return nixio__pstatus(L, signal(sig, SIG_DFL) != SIG_ERR);
+       } else {
+               return luaL_argerror(L, 2, "supported values: ign, dfl");
+       }
+}
+
 static int nixio_wait(lua_State *L) {
        pid_t pidin = luaL_optinteger(L, 1, -1), pidout;
        int options = 0, status;
@@ -148,6 +161,7 @@ static const luaL_reg R[] = {
        {"getgid",              nixio_getgid},
        {"setuid",              nixio_setuid},
        {"setgid",              nixio_setgid},
+       {"signal",              nixio_signal},
        {NULL,                  NULL}
 };