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authorKim Alvefur <zash@zash.se>2017-03-09 04:34:28 +0100
committerKim Alvefur <zash@zash.se>2017-03-09 04:34:28 +0100
commitb0e0a1d4878fe682389f2a5097b91814896b318d (patch)
treeb8907b558b3fd4862e165a7f9f449b826b5f2890 /util-src
parent1a41278b49862190aa475660119963201220a73b (diff)
downloadprosody-b0e0a1d4878fe682389f2a5097b91814896b318d.tar.gz
prosody-b0e0a1d4878fe682389f2a5097b91814896b318d.zip
util.time: Convert to C
Diffstat (limited to 'util-src')
-rw-r--r--util-src/GNUmakefile2
-rw-r--r--util-src/time.c24
2 files changed, 25 insertions, 1 deletions
diff --git a/util-src/GNUmakefile b/util-src/GNUmakefile
index 4b8540c5..dfe3950f 100644
--- a/util-src/GNUmakefile
+++ b/util-src/GNUmakefile
@@ -6,7 +6,7 @@ CFLAGS+=-I$(LUA_INCDIR)
INSTALL_DATA=install -m644
TARGET?=../util/
-ALL=encodings.so hashes.so net.so pposix.so signal.so table.so ringbuffer.so
+ALL=encodings.so hashes.so net.so pposix.so signal.so table.so ringbuffer.so time.so
ifdef RANDOM
ALL+=crand.so
diff --git a/util-src/time.c b/util-src/time.c
new file mode 100644
index 00000000..eed5bf0f
--- /dev/null
+++ b/util-src/time.c
@@ -0,0 +1,24 @@
+#define _POSIX_C_SOURCE 199309L
+
+#include <time.h>
+#include <lua.h>
+
+lua_Number tv2number(struct timespec *tv) {
+ return tv->tv_sec + tv->tv_nsec * 1e-9;
+}
+
+int lc_time_realtime(lua_State *L) {
+ struct timespec t;
+ clock_gettime(CLOCK_REALTIME, &t);
+ lua_pushnumber(L, tv2number(&t));
+ return 1;
+}
+
+int luaopen_util_time(lua_State *L) {
+ lua_createtable(L, 0, 2);
+ {
+ lua_pushcfunction(L, lc_time_realtime);
+ lua_setfield(L, -2, "now");
+ }
+ return 1;
+}