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avoid redefining sched_yield (Christian Pfeil)

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This commit is contained in:
rsc 2006-03-03 01:39:10 +00:00
parent c772232802
commit 5db07ba942
2 changed files with 38 additions and 63 deletions
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99
src/lib9/date.c
View file

@ -1,30 +1,28 @@
#include <u.h>
#include <stdlib.h> /* setenv etc. */
#define NOPLAN9DEFINES
#include <u.h>
#include <libc.h>
#include <stdlib.h> /* setenv etc. */
#include <time.h>
#define _HAVETIMEGM 1
#define _HAVETMZONE 1
#define _HAVETMGMTOFF 1
#if defined(__linux__)
# undef _HAVETMZONE
#elif defined(__sun__)
# undef _HAVETIMEGM
# undef _HAVETMZONE
# undef _HAVETMGMTOFF
#endif
static Tm bigtm;
static int didtz;
static int tzdelta;
static char tzone[4];
static void
tm2Tm(struct tm *tm, Tm *bigtm)
dotz(void)
{
char *s;
time_t t;
if(didtz)
return;
t = time(0);
tzdelta = t - mktime(gmtime(&t));
strftime(tzone, sizeof tzone, "%Z", localtime(&t));
}
static void
tm2Tm(struct tm *tm, Tm *bigtm, int gmt)
{
memset(bigtm, 0, sizeof *bigtm);
bigtm->sec = tm->tm_sec;
bigtm->min = tm->tm_min;
@ -33,17 +31,13 @@ tm2Tm(struct tm *tm, Tm *bigtm)
bigtm->mon = tm->tm_mon;
bigtm->year = tm->tm_year;
bigtm->wday = tm->tm_wday;
strftime(bigtm->zone, sizeof bigtm->zone, "%Z", tm);
#ifdef _HAVETMGMTOFF
bigtm->tzoff = tm->tm_gmtoff;
#endif
if(bigtm->zone[0] == 0){
s = getenv("TIMEZONE");
if(s){
strecpy(bigtm->zone, bigtm->zone+4, s);
free(s);
}
if(gmt){
strcpy(bigtm->zone, "GMT");
bigtm->tzoff = 0;
}else{
dotz();
strcpy(bigtm->zone, tzone);
bigtm->tzoff = tzdelta;
}
}
@ -58,12 +52,6 @@ Tm2tm(Tm *bigtm, struct tm *tm)
tm->tm_mon = bigtm->mon;
tm->tm_year = bigtm->year;
tm->tm_wday = bigtm->wday;
#ifdef _HAVETMZONE
tm->tm_zone = bigtm->zone;
#endif
#ifdef _HAVETMGMTOFF
tm->tm_gmtoff = bigtm->tzoff;
#endif
}
Tm*
@ -71,10 +59,11 @@ p9gmtime(long x)
{
time_t t;
struct tm tm;
static Tm bigtm;
t = (time_t)x;
tm = *gmtime(&t);
tm2Tm(&tm, &bigtm);
tm2Tm(&tm, &bigtm, 1);
return &bigtm;
}
@ -83,42 +72,26 @@ p9localtime(long x)
{
time_t t;
struct tm tm;
static Tm bigtm;
t = (time_t)x;
tm = *localtime(&t);
tm2Tm(&tm, &bigtm);
tm2Tm(&tm, &bigtm, 0);
return &bigtm;
}
#if !defined(_HAVETIMEGM)
static time_t
timegm(struct tm *tm)
{
time_t ret;
char *tz;
char *s;
tz = getenv("TZ");
putenv("TZ=");
tzset();
ret = mktime(tm);
if(tz){
s = smprint("TZ=%s", tz);
if(s)
putenv(s);
}
return ret;
}
#endif
long
p9tm2sec(Tm *bigtm)
{
time_t t;
struct tm tm;
Tm2tm(bigtm, &tm);
if(strcmp(bigtm->zone, "GMT") == 0 || strcmp(bigtm->zone, "UCT") == 0)
return timegm(&tm);
return mktime(&tm); /* local time zone */
t = mktime(&tm);
if(strcmp(bigtm->zone, "GMT") == 0 || strcmp(bigtm->zone, "UCT") == 0){
dotz();
t += tzdelta;
}
return t;
}

2
src/lib9/sleep.c
View file

@ -6,6 +6,7 @@
#include <libc.h>
#if defined(__NetBSD__) || (defined(__OpenBSD__) && OpenBSD <= 200511)
#if !defined(sched_yield)
# define sched_yield() \
do{ struct timespec ts; \
ts.tv_sec = 0; \
@ -13,6 +14,7 @@
nanosleep(&ts, 0); \
}while(0)
#endif
#endif
int
p9sleep(long milli)