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Differential D14725 Diff 40394 tools/regression/posixsem/posixsem.c

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tools/regression/posixsem/posixsem.c

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#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <time.h> #include <time.h>
#include <unistd.h> #include <unistd.h>
#include "test.h" #include "test.h"
/* Cut and pasted from kernel header, bah! */
/* Operations on timespecs */
#define timespecclear(tvp) ((tvp)->tv_sec = (tvp)->tv_nsec = 0)
#define timespecisset(tvp) ((tvp)->tv_sec || (tvp)->tv_nsec)
#define timespeccmp(tvp, uvp, cmp) \
(((tvp)->tv_sec == (uvp)->tv_sec) ? \
((tvp)->tv_nsec cmp (uvp)->tv_nsec) : \
((tvp)->tv_sec cmp (uvp)->tv_sec))
#define timespecadd(vvp, uvp) \
do { \
(vvp)->tv_sec += (uvp)->tv_sec; \
(vvp)->tv_nsec += (uvp)->tv_nsec; \
if ((vvp)->tv_nsec >= 1000000000) { \
(vvp)->tv_sec++; \
(vvp)->tv_nsec -= 1000000000; \
} \
} while (0)
#define timespecsub(vvp, uvp) \
do { \
(vvp)->tv_sec -= (uvp)->tv_sec; \
(vvp)->tv_nsec -= (uvp)->tv_nsec; \
if ((vvp)->tv_nsec < 0) { \
(vvp)->tv_sec--; \
(vvp)->tv_nsec += 1000000000; \
} \
} while (0)
#define TEST_PATH "/tmp/posixsem_regression_test" #define TEST_PATH "/tmp/posixsem_regression_test"
#define ELAPSED(elapsed, limit) (abs((elapsed) - (limit)) < 100) #define ELAPSED(elapsed, limit) (abs((elapsed) - (limit)) < 100)
/* Macros for passing child status to parent over a pipe. */ /* Macros for passing child status to parent over a pipe. */
#define CSTAT(class, error) ((class) << 16 | (error)) #define CSTAT(class, error) ((class) << 16 | (error))
#define CSTAT_CLASS(stat) ((stat) >> 16) #define CSTAT_CLASS(stat) ((stat) >> 16)
#define CSTAT_ERROR(stat) ((stat) & 0xffff) #define CSTAT_ERROR(stat) ((stat) & 0xffff)
▲ Show 20 Lines • Show All 691 Lines • ▼ Show 20 Linestimedwait(semid_t id, u_int msec, u_int *delta, int error)
struct timespec start, end; struct timespec start, end;
if (clock_gettime(CLOCK_REALTIME, &start) < 0) { if (clock_gettime(CLOCK_REALTIME, &start) < 0) {
fail_errno("clock_gettime(CLOCK_REALTIME)"); fail_errno("clock_gettime(CLOCK_REALTIME)");
return (-1); return (-1);
} }
end.tv_sec = msec / 1000; end.tv_sec = msec / 1000;
end.tv_nsec = msec % 1000 * 1000000; end.tv_nsec = msec % 1000 * 1000000;
timespecadd(&end, &start); timespecadd(&end, &start, &end);
if (ksem_timedwait(id, &end) < 0) { if (ksem_timedwait(id, &end) < 0) {
if (errno != error) { if (errno != error) {
fail_errno("ksem_timedwait"); fail_errno("ksem_timedwait");
return (-1); return (-1);
} }
} else if (error != 0) { } else if (error != 0) {
fail_err("ksem_timedwait() didn't fail"); fail_err("ksem_timedwait() didn't fail");
return (-1); return (-1);
} }
if (clock_gettime(CLOCK_REALTIME, &end) < 0) { if (clock_gettime(CLOCK_REALTIME, &end) < 0) {
fail_errno("clock_gettime(CLOCK_REALTIME)"); fail_errno("clock_gettime(CLOCK_REALTIME)");
return (-1); return (-1);
} }
timespecsub(&end, &start); timespecsub(&end, &start, &end);
*delta = end.tv_nsec / 1000000; *delta = end.tv_nsec / 1000000;
*delta += end.tv_sec * 1000; *delta += end.tv_sec * 1000;
return (0); return (0);
} }
static void static void
unlocked_timedwait(void) unlocked_timedwait(void)
{ {
▲ Show 20 Lines • Show All 122 Lines • ▼ Show 20 Linestestwait(semid_t id, u_int *delta)
if (ksem_wait(id) < 0) { if (ksem_wait(id) < 0) {
fail_errno("ksem_wait"); fail_errno("ksem_wait");
return (-1); return (-1);
} }
if (clock_gettime(CLOCK_REALTIME, &end) < 0) { if (clock_gettime(CLOCK_REALTIME, &end) < 0) {
fail_errno("clock_gettime(CLOCK_REALTIME)"); fail_errno("clock_gettime(CLOCK_REALTIME)");
return (-1); return (-1);
} }
timespecsub(&end, &start); timespecsub(&end, &start, &end);
*delta = end.tv_nsec / 1000000; *delta = end.tv_nsec / 1000000;
*delta += end.tv_sec * 1000; *delta += end.tv_sec * 1000;
return (0); return (0);
} }
static void static void
unlocked_wait(void) unlocked_wait(void)
{ {
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