local function prepare_fd(target)
-- Open fd for appending
- local file, code, msg = nixio.open(target, "r+")
- if not file and code == nixio.const.ENOENT then
- file, code, msg = nixio.open(target, "w")
- if file then
- file:flush()
- end
- end
+ local oflags = nixio.open_flags("wronly", "creat")
+ local file, code, msg = nixio.open(target, oflags)
if not file then
return file, code, msg
end
-- Acquire lock
- local stat, code, msg = file:lock("ex", "nb")
+ local stat, code, msg = file:lock("tlock")
if not stat then
return stat, code, msg
end
AXTLS_DIR = axTLS
AXTLS_FILE = $(AXTLS_DIR)-$(AXTLS_VERSION).tar.gz
NIXIO_TLS ?= axtls
+EXTRA_CFLAGS = -std=c99
+NIXIO_CFLAGS = -D_XOPEN_SOURCE=500
NIXIO_OBJ = src/nixio.o src/socket.o src/sockopt.o src/bind.o src/address.o \
- src/poll.o src/io.o src/file.o src/splice.o src/tls-context.o \
- src/tls-socket.o
+ src/poll.o src/io.o src/file.o src/splice.o src/process.o \
+ src/tls-context.o src/tls-socket.o
ifeq ($(NIXIO_TLS),axtls)
TLS_CFLAGS = -IaxTLS/{ssl,crypto,config} -include src/openssl-compat.h
TLS_LDFLAGS = -lssl
endif
+ifeq ($(OS),Linux)
+ NIXIO_CFLAGS = -D_GNU_SOURCE
+endif
+
%.o: %.c
- $(COMPILE) $(LUA_CFLAGS) $(FPIC) -c -o $@ $<
+ $(COMPILE) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) -c -o $@ $<
src/tls-context.o: $(TLS_DEPENDS) src/tls-context.c
- $(COMPILE) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ src/tls-context.c
+ $(COMPILE) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ src/tls-context.c
src/tls-socket.o: $(TLS_DEPENDS) src/tls-socket.c
- $(COMPILE) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ src/tls-socket.c
+ $(COMPILE) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ src/tls-socket.c
src/openssl-compat.o: src/libaxtls.a src/openssl-compat.c
- $(COMPILE) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ src/openssl-compat.c
+ $(COMPILE) $(NIXIO_CFLAGS) $(LUA_CFLAGS) $(FPIC) $(TLS_CFLAGS) -c -o $@ src/openssl-compat.c
compile: $(NIXIO_OBJ)
touch $@
src/libaxtls.a: $(AXTLS_DIR)/.prepared
- $(MAKE) -C $(AXTLS_DIR) CC=$(CC) CFLAGS="$(CFLAGS) $(EXTRA_CFLAGS) $(FPIC) -Wall -pedantic -I../config -I../ssl -I../crypto" LDFLAGS="$(LDFLAGS)" OS="$(OS)" clean all
+ $(MAKE) -C $(AXTLS_DIR) CC=$(CC) CFLAGS="$(CFLAGS) $(EXTRA_CFLAGS) $(FPIC) '-Dalloca(size)=__builtin_alloca(size)' -Wall -pedantic -I../config -I../ssl -I../crypto" LDFLAGS="$(LDFLAGS)" OS="$(OS)" clean all
cp -p $(AXTLS_DIR)/_stage/libaxtls.a src
clean: luaclean
--- /dev/null
+Building:
+
+With axTLS (standard):
+make
+
+With OpenSSL:
+make NIXIO_TLS=openssl
--[[
nixio - Linux I/O library for lua
-Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2009 Steven Barth <steven@midlink.org>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
#include <string.h>
#include <netdb.h>
+#ifndef NI_MAXHOST
+#define NI_MAXHOST 1025
+#endif
+
/**
* getaddrinfo(host, family, port)
#include <string.h>
#include <unistd.h>
#include <netdb.h>
+#include <errno.h>
#include "nixio.h"
/**
/* create socket object */
nixio_sock *sock = lua_newuserdata(L, sizeof(nixio_sock));
- int status = -1;
+ int status = -1, clstat;
for (rp = result; rp != NULL; rp = rp->ai_next) {
sock->fd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
if (do_bind) {
status = bind(sock->fd, rp->ai_addr, rp->ai_addrlen);
} else {
- status = connect(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ do {
+ status = connect(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ } while (status == -1 && errno == EINTR);
}
/* on success */
break;
}
- close(sock->fd);
+ do {
+ clstat = close(sock->fd);
+ } while (clstat == -1 && errno == EINTR);
}
freeaddrinfo(result);
if (do_bind) {
status = bind(sock->fd, rp->ai_addr, rp->ai_addrlen);
} else {
- status = connect(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ do {
+ status = connect(sock->fd, rp->ai_addr, rp->ai_addrlen);
+ } while (status == -1 && errno == EINTR);
}
/* on success */
if (do_bind) {
status = bind(sock->fd, (struct sockaddr*)&addr, sizeof(addr));
} else {
- status = connect(sock->fd, (struct sockaddr*)&addr, sizeof(addr));
+ do {
+ status = connect(sock->fd, (struct sockaddr*)&addr,
+ sizeof(addr));
+ } while (status == -1 && errno == EINTR);
}
} else {
return luaL_error(L, "not supported");
char ipaddr[INET6_ADDRSTRLEN];
void *binaddr;
uint16_t port;
+ int newfd;
- int newfd = accept(sock->fd, (struct sockaddr *)&addr, &addrlen);
+ do {
+ newfd = accept(sock->fd, (struct sockaddr *)&addr, &addrlen);
+ } while (newfd == -1 && errno == EINTR);
if (newfd < 0) {
return nixio__perror(L);
}
#include <stdio.h>
#include <string.h>
#include <unistd.h>
-#include <sys/file.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
-static int nixio_file(lua_State *L) {
+static int nixio_open(lua_State *L) {
const char *filename = luaL_checklstring(L, 1, NULL);
- const char *mode = luaL_optlstring(L, 2, "r", NULL);
+ int flags = luaL_optint(L, 2, O_RDONLY);
+ int mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
+ int fd;
- FILE *file = fopen(filename, mode);
- if (!file) {
+ do {
+ fd = open(filename, flags, mode);
+ } while (fd == -1 && errno == EINTR);
+ if (fd == -1) {
return nixio__perror(L);
}
- FILE **udata = lua_newuserdata(L, sizeof(FILE*));
+ int *udata = lua_newuserdata(L, sizeof(int));
if (!udata) {
return luaL_error(L, "out of memory");
}
- *udata = file;
+ *udata = fd;
luaL_getmetatable(L, NIXIO_FILE_META);
lua_setmetatable(L, -2);
return 1;
}
+static int nixio_open_flags(lua_State *L) {
+ int mode = 0;
+ const int j = lua_gettop(L);
+ for (int i=1; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "append")) {
+ mode |= O_APPEND;
+ } else if (!strcmp(flag, "creat")) {
+ mode |= O_CREAT;
+ } else if (!strcmp(flag, "excl")) {
+ mode |= O_EXCL;
+ } else if (!strcmp(flag, "nonblock") || !strcmp(flag, "ndelay")) {
+ mode |= O_NONBLOCK;
+ } else if (!strcmp(flag, "sync")) {
+ mode |= O_SYNC;
+ } else if (!strcmp(flag, "trunc")) {
+ mode |= O_TRUNC;
+ } else if (!strcmp(flag, "rdonly")) {
+ mode |= O_RDONLY;
+ } else if (!strcmp(flag, "wronly")) {
+ mode |= O_WRONLY;
+ } else if (!strcmp(flag, "rdwr")) {
+ mode |= O_RDWR;
+ } else {
+ return luaL_argerror(L, i, "supported values: append, creat, "
+ "excl, nonblock, ndelay, sync, trunc");
+ }
+ }
+ lua_pushinteger(L, mode);
+ return 1;
+}
+
+static int nixio_dup(lua_State *L) {
+ int oldfd = nixio__checkfd(L, 1);
+ int newfd = (lua_gettop(L) > 1) ? nixio__checkfd(L, 2) : -1;
+ int stat = (newfd == -1) ? dup(oldfd) : dup2(oldfd, newfd);
+
+ if (stat == -1) {
+ return nixio__perror(L);
+ } else {
+ int *udata = lua_newuserdata(L, sizeof(int));
+ if (!udata) {
+ return luaL_error(L, "out of memory");
+ }
+
+ *udata = stat;
+ luaL_getmetatable(L, NIXIO_FILE_META);
+ lua_setmetatable(L, -2);
+ return 1;
+ }
+}
+
static int nixio_pipe(lua_State *L) {
- int pipefd[2];
- FILE **udata;
+ int pipefd[2], *udata;
if (pipe(pipefd)) {
return nixio__perror(L);
}
luaL_getmetatable(L, NIXIO_FILE_META);
- udata = lua_newuserdata(L, sizeof(FILE*));
+ udata = lua_newuserdata(L, sizeof(int));
if (!udata) {
return luaL_error(L, "out of memory");
}
- if (!(*udata = fdopen(pipefd[0], "r"))) {
- return nixio__perror(L);
- }
+ *udata = pipefd[0];
lua_pushvalue(L, -2);
lua_setmetatable(L, -2);
- udata = lua_newuserdata(L, sizeof(FILE**));
- if (!(*udata = fdopen(pipefd[1], "w"))) {
- return nixio__perror(L);
+ udata = lua_newuserdata(L, sizeof(int));
+ if (!udata) {
+ return luaL_error(L, "out of memory");
}
+
+ *udata = pipefd[1];
lua_pushvalue(L, -3);
lua_setmetatable(L, -2);
static int nixio_file_seek(lua_State *L) {
- FILE *f = nixio__checkfile(L);
+ int fd = nixio__checkfd(L, 1);
off_t len = (off_t)luaL_checknumber(L, 2);
int whence;
const char *whstr = luaL_optlstring(L, 3, "set", NULL);
} else {
return luaL_argerror(L, 3, "supported values: set, cur, end");
}
- return nixio__pstatus(L, !fseeko(f, len, whence));
+ len = lseek(fd, len, whence);
+ if (len == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_pushnumber(L, len);
+ return 1;
+ }
}
static int nixio_file_tell(lua_State *L) {
- FILE *f = nixio__checkfile(L);
- off_t pos = ftello(f);
+ int fd = nixio__checkfd(L, 1);
+ off_t pos = lseek(fd, 0, SEEK_CUR);
if (pos < 0) {
return nixio__perror(L);
} else {
- lua_pushnumber(L, (lua_Number)pos);
+ lua_pushnumber(L, pos);
return 1;
}
}
-static int nixio_file_flush(lua_State *L) {
- FILE *f = nixio__checkfile(L);
- return nixio__pstatus(L, !fflush(f));
+static int nixio_file_sync(lua_State *L) {
+ int fd = nixio__checkfd(L, 1);
+ int meta = lua_toboolean(L, 2);
+ return nixio__pstatus(L, (meta) ? !fsync(fd) : !fdatasync(fd));
}
static int nixio_file_lock(lua_State *L) {
- int fd = fileno(nixio__checkfile(L));
-
- const int j = lua_gettop(L);
- int flags = 0;
- for (int i=2; i<=j; i++) {
- const char *flag = luaL_checkstring(L, i);
- if (!strcmp(flag, "sh")) {
- flags |= LOCK_SH;
- } else if (!strcmp(flag, "ex")) {
- flags |= LOCK_EX;
- } else if (!strcmp(flag, "un")) {
- flags |= LOCK_UN;
- } else if (!strcmp(flag, "nb")) {
- flags |= LOCK_NB;
- } else {
- return luaL_argerror(L, i, "supported values: sh, ex, un, nb");
- }
+ int fd = nixio__checkfd(L, 1);
+ const char *flag = luaL_checkstring(L, 2);
+ off_t len = (off_t)luaL_optnumber(L, 3, 0);
+ int stat;
+
+ int cmd = 0;
+ if (!strcmp(flag, "lock")) {
+ cmd = F_LOCK;
+ } else if (!strcmp(flag, "tlock")) {
+ cmd = F_TLOCK;
+ } else if (!strcmp(flag, "ulock")) {
+ cmd = F_ULOCK;
+ } else if (!strcmp(flag, "test")) {
+ cmd = F_TEST;
+ } else {
+ return luaL_argerror(L, 2,
+ "supported values: lock, tlock, ulock, test");
}
- return nixio__pstatus(L, !flock(fd, flags));
+ do {
+ stat = lockf(fd, cmd, len);
+ } while (stat == -1 && errno == EINTR);
+
+ return nixio__pstatus(L, !stat);
}
static int nixio_file_close(lua_State *L) {
- FILE **fpp = (FILE**)luaL_checkudata(L, 1, NIXIO_FILE_META);
- luaL_argcheck(L, *fpp, 1, "invalid file object");
- int res = fclose(*fpp);
- *fpp = NULL;
+ int *fdp = luaL_checkudata(L, 1, NIXIO_FILE_META);
+ luaL_argcheck(L, *fdp != -1, 1, "invalid file object");
+ int res;
+ do {
+ res = close(*fdp);
+ } while (res == -1 && errno == EINTR);
+ *fdp = -1;
return nixio__pstatus(L, !res);
}
static int nixio_file__gc(lua_State *L) {
- FILE **fpp = (FILE**)luaL_checkudata(L, 1, NIXIO_FILE_META);
- if (*fpp) {
- fclose(*fpp);
- *fpp = NULL;
+ int *fdp = luaL_checkudata(L, 1, NIXIO_FILE_META);
+ int res;
+ if (*fdp != -1) {
+ do {
+ res = close(*fdp);
+ } while (res == -1 && errno == EINTR);
+ *fdp = -1;
}
return 0;
}
{"read", nixio_file_read},
{"tell", nixio_file_tell},
{"seek", nixio_file_seek},
- {"flush", nixio_file_flush},
+ {"sync", nixio_file_sync},
{"lock", nixio_file_lock},
{"close", nixio_file_close},
{"__gc", nixio_file__gc},
/* module table */
static const luaL_reg R[] = {
- {"open", nixio_file},
+ {"dup", nixio_dup},
+ {"open", nixio_open},
+ {"open_flags", nixio_open_flags},
{"pipe", nixio_pipe},
{NULL, NULL}
};
#include <stdio.h>
#include <string.h>
#include <errno.h>
+#include <signal.h>
#define VERSION 0.1
return sock;
}
-FILE* nixio__checkfile(lua_State *L) {
- FILE **fpp = (FILE**)luaL_checkudata(L, 1, NIXIO_FILE_META);
- luaL_argcheck(L, *fpp, 1, "invalid file object");
- return *fpp;
-}
-
/* read fd from nixio_sock object */
int nixio__checksockfd(lua_State *L) {
return nixio__checksock(L)->fd;
luaL_getmetatable(L, LUA_FILEHANDLE);
if (lua_rawequal(L, -3, -4)) {
fd = ((nixio_sock*)udata)->fd;
- } else if (lua_rawequal(L, -2, -4) || lua_rawequal(L, -1, -4)) {
+ } else if (lua_rawequal(L, -2, -4)) {
+ fd = *((int*)udata);
+ } else if (lua_rawequal(L, -1, -4)) {
fd = (*((FILE **)udata)) ? fileno(*((FILE **)udata)) : -1;
}
lua_pop(L, 4);
nixio_open_poll(L);
nixio_open_io(L);
nixio_open_splice(L);
+ nixio_open_process(L);
nixio_open_tls_context(L);
nixio_open_tls_socket(L);
lua_setfield(L, -2, "version");
/* some constants */
- lua_createtable(L, 0, 7);
+ lua_createtable(L, 0, 11);
NIXIO_PUSH_CONSTANT(EACCES);
NIXIO_PUSH_CONSTANT(ENOSYS);
NIXIO_PUSH_CONSTANT(EAGAIN);
NIXIO_PUSH_CONSTANT(ENOMEM);
NIXIO_PUSH_CONSTANT(ENOENT);
+ NIXIO_PUSH_CONSTANT(SIGALRM);
+ NIXIO_PUSH_CONSTANT(SIGINT);
+ NIXIO_PUSH_CONSTANT(SIGTERM);
+ NIXIO_PUSH_CONSTANT(SIGKILL);
lua_setfield(L, -2, "const");
int nixio__checksockfd(lua_State *L);
int nixio__checkfd(lua_State *L, int ud);
int nixio__tofd(lua_State *L, int ud);
-FILE* nixio__checkfile(lua_State *L);
/* Module functions */
void nixio_open_file(lua_State *L);
void nixio_open_poll(lua_State *L);
void nixio_open_io(lua_State *L);
void nixio_open_splice(lua_State *L);
+void nixio_open_process(lua_State *L);
void nixio_open_tls_context(lua_State *L);
void nixio_open_tls_socket(lua_State *L);
* port is.
*/
+#include "nixio.h"
#include "config.h"
#define WITH_AXTLS 1
--- /dev/null
+/*
+ * nixio - Linux I/O library for lua
+ *
+ * Copyright (C) 2009 Steven Barth <steven@midlink.org>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nixio.h"
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/wait.h>
+
+static int nixio_fork(lua_State *L) {
+ pid_t pid = fork();
+ if (pid == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_pushinteger(L, pid);
+ return 1;
+ }
+}
+
+static int nixio_wait(lua_State *L) {
+ pid_t pidin = luaL_optinteger(L, 1, -1), pidout;
+ int options = 0, status;
+
+ const int j = lua_gettop(L);
+ for (int i=2; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "nohang")) {
+ options |= WNOHANG;
+ } else if (!strcmp(flag, "untraced")) {
+ options |= WUNTRACED;
+ } else if (!strcmp(flag, "continued")) {
+ options |= WCONTINUED;
+ } else {
+ return luaL_argerror(L, i,
+ "supported values: nohang, untraced, continued");
+ }
+ }
+
+ do {
+ pidout = waitpid(pidin, &status, options);
+ } while (pidout == -1 && errno == EINTR);
+
+ if (pidout == -1) {
+ return nixio__perror(L);
+ } else {
+ lua_pushinteger(L, pidout);
+ }
+
+ if (WIFEXITED(status)) {
+ lua_pushliteral(L, "exited");
+ lua_pushinteger(L, WEXITSTATUS(status));
+ } else if (WIFSIGNALED(status)) {
+ lua_pushliteral(L, "signaled");
+ lua_pushinteger(L, WTERMSIG(status));
+ } else if (WIFSTOPPED(status)) {
+ lua_pushliteral(L, "stopped");
+ lua_pushinteger(L, WSTOPSIG(status));
+ } else {
+ return 1;
+ }
+
+ return 3;
+}
+
+static int nixio_kill(lua_State *L) {
+ return nixio__pstatus(L, !kill(luaL_checkint(L, 1), luaL_checkint(L, 2)));
+}
+
+
+/* module table */
+static const luaL_reg R[] = {
+ {"fork", nixio_fork},
+ {"wait", nixio_wait},
+ {"kill", nixio_kill},
+ {NULL, NULL}
+};
+
+void nixio_open_process(lua_State *L) {
+ luaL_register(L, NULL, R);
+}
static int nixio_sock_close(lua_State *L) {
nixio_sock *sock = nixio__checksock(L);
int sockfd = sock->fd;
+ int res;
sock->fd = -1;
- return nixio__pstatus(L, !close(sockfd));
+
+ do {
+ res = close(sockfd);
+ } while (res == -1 && errno == EINTR);
+
+ return nixio__pstatus(L, !res);
}
/**
*/
static int nixio_sock__gc(lua_State *L) {
nixio_sock *sock = (nixio_sock*)luaL_checkudata(L, 1, NIXIO_META);
+ int res;
if (sock && sock->fd != -1) {
- close(sock->fd);
+ do {
+ res = close(sock->fd);
+ } while (res == -1 && errno == EINTR);
}
return 0;
}
#include <fcntl.h>
#include "nixio.h"
+
/**
* setblocking()
*/
return luaL_error(L, "not a TCP socket");
}
if (!strcmp(option, "cork")) {
- return nixio__gso_int(L, sock->fd, SOL_TCP, TCP_CORK, set);
+ return nixio__gso_int(L, sock->fd, IPPROTO_TCP, TCP_CORK, set);
} else if (!strcmp(option, "nodelay")) {
- return nixio__gso_int(L, sock->fd, SOL_TCP, TCP_NODELAY, set);
+ return nixio__gso_int(L, sock->fd, IPPROTO_TCP, TCP_NODELAY, set);
} else {
return luaL_argerror(L, 3, "supported values: cork, nodelay");
}
* limitations under the License.
*/
-#define _GNU_SOURCE
-
#include "nixio.h"
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#include <sys/sendfile.h>
+#ifdef _GNU_SOURCE
+
/* guess what sucks... */
#ifdef __UCLIBC__
#include <unistd.h>
#endif /* __UCLIBC__ */
/**
- * Translate splice flags to integer
- */
-static int nixio_splice_flags(lua_State *L) {
- const int j = lua_gettop(L);
- int flags = 0;
- for (int i=1; i<=j; i++) {
- const char *flag = luaL_checkstring(L, i);
- if (!strcmp(flag, "move")) {
- flags |= SPLICE_F_MOVE;
- } else if (!strcmp(flag, "nonblock")) {
- flags |= SPLICE_F_NONBLOCK;
- } else if (!strcmp(flag, "more")) {
- flags |= SPLICE_F_MORE;
- } else {
- return luaL_argerror(L, i, "supported values: "
- "move, nonblock, more");
- }
- }
- lua_pushinteger(L, flags);
-
- return 1;
-}
-
-/**
* splice(fd_in, fd_out, length, flags)
*/
static int nixio_splice(lua_State *L) {
return 1;
}
-static int nixio_splice_avail(lua_State *L) {
- splice(-1, 0, -1, 0, 0, 0);
- lua_pushboolean(L, errno != ENOSYS);
+/**
+ * Translate splice flags to integer
+ */
+static int nixio_splice_flags(lua_State *L) {
+ const int j = lua_gettop(L);
+ int flags = 0;
+ for (int i=1; i<=j; i++) {
+ const char *flag = luaL_checkstring(L, i);
+ if (!strcmp(flag, "move")) {
+ flags |= SPLICE_F_MOVE;
+ } else if (!strcmp(flag, "nonblock")) {
+ flags |= SPLICE_F_NONBLOCK;
+ } else if (!strcmp(flag, "more")) {
+ flags |= SPLICE_F_MORE;
+ } else {
+ return luaL_argerror(L, i, "supported values: "
+ "move, nonblock, more");
+ }
+ }
+ lua_pushinteger(L, flags);
+
return 1;
}
+#endif /* _GNU_SOURCE */
+
/**
* sendfile(outfd, infd, length)
*/
/* module table */
static const luaL_reg R[] = {
+#ifdef _GNU_SOURCE
{"splice", nixio_splice},
{"splice_flags", nixio_splice_flags},
- {"splice_avail", nixio_splice_avail},
+#endif
{"sendfile", nixio_sendfile},
{NULL, NULL}
};
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