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authorSteven Barth <steven@midlink.org>2009-04-21 16:26:45 +0000
committerSteven Barth <steven@midlink.org>2009-04-21 16:26:45 +0000
commita2b916ab736802050b19562b7c163e3f3bb1566f (patch)
treed35b68f7bcac43f66f4cdb915ef327b76856594b /libs/nixio/src/poll.c
parent085a0a9ec040fc3ea5ee537d2cee724aa775747b (diff)
Merge nixio 0.2
Diffstat (limited to 'libs/nixio/src/poll.c')
-rw-r--r--libs/nixio/src/poll.c32
1 files changed, 25 insertions, 7 deletions
diff --git a/libs/nixio/src/poll.c b/libs/nixio/src/poll.c
index fdec2caaf..4af32890a 100644
--- a/libs/nixio/src/poll.c
+++ b/libs/nixio/src/poll.c
@@ -17,12 +17,10 @@
*/
#include "nixio.h"
-#include <poll.h>
#include <time.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
-#include "nixio.h"
/**
@@ -71,11 +69,13 @@ static int nixio_poll_flags(lua_State *L) {
flags = luaL_checkinteger(L, 1);
lua_newtable(L);
nixio_poll_flags__r(L, &flags, POLLIN, "in");
- nixio_poll_flags__r(L, &flags, POLLPRI, "pri");
nixio_poll_flags__r(L, &flags, POLLOUT, "out");
nixio_poll_flags__r(L, &flags, POLLERR, "err");
+#ifndef __WINNT__
+ nixio_poll_flags__r(L, &flags, POLLPRI, "pri");
nixio_poll_flags__r(L, &flags, POLLHUP, "hup");
nixio_poll_flags__r(L, &flags, POLLNVAL, "nval");
+#endif
} else {
flags = 0;
const int j = lua_gettop(L);
@@ -83,16 +83,22 @@ static int nixio_poll_flags(lua_State *L) {
const char *flag = luaL_checkstring(L, i);
if (!strcmp(flag, "in")) {
flags |= POLLIN;
- } else if (!strcmp(flag, "pri")) {
- flags |= POLLPRI;
} else if (!strcmp(flag, "out")) {
flags |= POLLOUT;
} else if (!strcmp(flag, "err")) {
flags |= POLLERR;
+ } else if (!strcmp(flag, "pri")) {
+#ifndef __WINNT__
+ flags |= POLLPRI;
+#endif
} else if (!strcmp(flag, "hup")) {
+#ifndef __WINNT__
flags |= POLLHUP;
+#endif
} else if (!strcmp(flag, "nval")) {
+#ifndef __WINNT__
flags |= POLLNVAL;
+#endif
} else {
return luaL_argerror(L, i,
"supported values: in, pri, out, err, hup, nval");
@@ -114,11 +120,19 @@ static int nixio_poll(lua_State *L) {
/* we are being abused as sleep() replacement... */
if (lua_isnoneornil(L, 1) || len < 1) {
- return nixio__pstatus(L, !poll(NULL, 0, timeout));
+ if (!poll(NULL, 0, timeout)) {
+ lua_pushinteger(L, 0);
+ return 1;
+ } else {
+ return nixio__perror(L);
+ }
}
luaL_checktype(L, 1, LUA_TTABLE);
struct pollfd *fds = calloc(len, sizeof(struct pollfd));
+ if (!fds) {
+ return luaL_error(L, NIXIO_OOM);
+ }
for (i = 0; i < len; i++) {
lua_rawgeti(L, 1, i+1);
@@ -145,7 +159,11 @@ static int nixio_poll(lua_State *L) {
status = poll(fds, (nfds_t)len, timeout);
- if (status < 1) {
+ if (status == 0) {
+ free(fds);
+ lua_pushboolean(L, 0);
+ return 1;
+ } else if (status < 0) {
free(fds);
return nixio__perror(L);
}