ref: bc95af71977649adbba75addb6aedac7631cec26
dir: /npe-clock/
diff c653369e862d2b2235133cfcb0391bc4809ce4b1 uncommitted
--- /dev/null
+++ b/include/npe/sys/times.h
@@ -1,0 +1,29 @@
+#ifndef _npe_sys_times_h_
+#define _npe_sys_times_h_
+
+#include <npe.h>
+#include <time.h>
+
+#ifndef _CLOCK_T
+#define _CLOCK_T
+typedef long clock_t;
+#endif
+
+struct tms {
+ clock_t tms_utime;
+ clock_t tms_stime;
+ clock_t tms_cutime;
+ clock_t tms_cstime;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+clock_t times2pe(struct tms *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- a/include/npe/time.h
+++ b/include/npe/time.h
@@ -3,7 +3,21 @@
#include <npe.h>
+#include <stddef.h>
+
+#define CLOCKS_PER_SEC 1000
+
+/* obsolsecent, but required */
+#define CLK_TCK CLOCKS_PER_SEC
+
+#ifndef _CLOCK_T
+#define _CLOCK_T
+typedef long clock_t;
+#endif
+#ifndef _TIME_T
+#define _TIME_T
typedef long time_t;
+#endif
struct tm {
int tm_sec;
@@ -19,6 +33,7 @@
#include <sys/time.h>
+clock_t clock(void);
#define localtime npe_localtime
struct tm *npe_localtime(time_t *timep);
#define gmtime npe_gmtime
--- /dev/null
+++ b/libnpe/clock.c
@@ -1,0 +1,12 @@
+#include <time.h>
+#include <sys/times.h>
+
+clock_t
+clock(void)
+{
+ struct tms t;
+
+ if(times2pe(&t) == (clock_t)-1)
+ return (clock_t)-1;
+ return t.tms_utime+t.tms_stime;
+}
--- a/libnpe/mkfile
+++ b/libnpe/mkfile
@@ -11,6 +11,7 @@
OFILES=\
_main.$O\
_npe.$O\
+ clock.$O\
closedir.$O\
dirfd.$O\
exp2.$O\
--- /dev/null
+++ b/libnpe/times.c
@@ -1,0 +1,65 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/times.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+static
+char*
+skip(char *p)
+{
+
+ while(*p == ' ')
+ p++;
+ while(*p != ' ' && *p != 0)
+ p++;
+ return p;
+}
+
+static clock_t
+times_(struct tms *buf)
+{
+ char b[200], *p;
+ int f;
+ unsigned long r;
+
+ memset(b, 0, sizeof(b));
+ f = open("/dev/cputime", O_RDONLY);
+ if(f >= 0) {
+ lseek(f, SEEK_SET, 0);
+ read(f, b, sizeof(b));
+ close(f);
+ }
+ p = b;
+ if(buf)
+ buf->tms_utime = atol(p);
+ p = skip(p);
+ if(buf)
+ buf->tms_stime = atol(p);
+ p = skip(p);
+ r = atol(p);
+ if(buf){
+ p = skip(p);
+ buf->tms_cutime = atol(p);
+ p = skip(p);
+ buf->tms_cstime = atol(p);
+ }
+ return r;
+}
+
+clock_t
+times2pe(struct tms *buf)
+{
+ long t[4];
+ clock_t r;
+
+ times(&t):
+ buf->tms_utime = t[0];
+ buf->tms_stime = t[1];
+ buf->tms_cutime = t[2];
+ buf->tms_cstime = t[3];
+ return
+}