X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-mac.h;h=1a0a8875fc090742212012356393ee5baacb283d;hp=77c21656d34bfbbeb3fcec50f9fc79a5439e4cb2;hb=9b8365618309572d8fd2579c8ea3132db89f843f;hpb=2afd826bf6cd19900aee70ae14ede92d91b6f4c0;ds=sidebyside

diff --git a/os/os-mac.h b/os/os-mac.h
index 77c21656..1a0a8875 100644
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -3,6 +3,11 @@
 
 #include <errno.h>
 #include <sys/sysctl.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <signal.h>
+
+#include "../file.h"
 
 #ifndef CLOCK_MONOTONIC
 #define CLOCK_MONOTONIC 1
@@ -13,40 +18,107 @@
 #endif
 
 #define FIO_HAVE_POSIXAIO
+#define FIO_HAVE_CLOCK_MONOTONIC
 #define FIO_USE_GENERIC_BDEV_SIZE
+#define FIO_USE_GENERIC_RAND
 
 #define OS_MAP_ANON		MAP_ANON
 
-typedef unsigned long os_cpu_mask_t;
-typedef unsigned int os_random_state_t;
+typedef off_t off64_t;
+
+/* OS X as of 10.6 doesn't have the timer_* functions. 
+ * Emulate the functionality using setitimer and sigaction here
+ */
+
+#define MAX_TIMERS 64
+
 typedef unsigned int clockid_t;
+typedef unsigned int timer_t;
 
-static inline int blockdev_invalidate_cache(int fd)
+struct itimerspec {
+	struct timespec it_value;
+	struct timespec it_interval;
+};
+
+static struct sigevent fio_timers[MAX_TIMERS];
+static unsigned int num_timers = 0;
+
+static inline int timer_create(clockid_t clockid, struct sigevent *restrict evp,
+				 timer_t *restrict timerid)
 {
-	return EINVAL;
+	int current_timer = num_timers;
+	fio_timers[current_timer] = *evp;
+	num_timers++;
+	
+	*timerid = current_timer;
+	return 0;
 }
 
-static inline unsigned long long os_phys_mem(void)
+static void sig_alrm(int signum)
 {
-	int mib[2] = { CTL_HW, HW_PHYSMEM };
-	unsigned long long mem;
-	size_t len = sizeof(mem);
-
-	sysctl(mib, 2, &mem, &len, NULL, 0);
-	return mem;
+	union sigval sv;
+	
+	for (int i = 0; i < num_timers; i++) {
+		if (fio_timers[i].sigev_notify_function == NULL)
+			continue;
+		
+		if (fio_timers[i].sigev_notify == SIGEV_THREAD)
+			fio_timers[i].sigev_notify_function(sv);
+		else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
+			kill(getpid(), fio_timers[i].sigev_signo);
+	}
 }
 
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
+static inline int timer_settime(timer_t timerid, int flags,
+								const struct itimerspec *value, struct itimerspec *ovalue)
 {
-	srand(seed);
+	struct sigaction sa;
+	struct itimerval tv;
+	struct itimerval tv_out;
+	int rc;
+	
+	tv.it_interval.tv_sec = value->it_interval.tv_sec;
+	tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
+
+	tv.it_value.tv_sec = value->it_value.tv_sec;
+	tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
+
+	sa.sa_handler = sig_alrm;
+	sigemptyset(&sa.sa_mask);
+	sa.sa_flags = 0;
+	
+	rc = sigaction(SIGALRM, &sa, NULL);
+
+	if (!rc)
+		rc = setitimer(ITIMER_REAL, &tv, &tv_out);
+	
+	if (!rc && ovalue != NULL) {
+		ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
+		ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
+		ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
+		ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
+	}
+
+	return rc;
 }
 
-static inline long os_random_long(os_random_state_t *rs)
+static inline int timer_delete(timer_t timer)
 {
-	long val;
+	return 0;
+}
 
-	val = rand_r(rs);
-	return val;
+static inline int blockdev_invalidate_cache(struct fio_file *f)
+{
+	return EINVAL;
 }
 
+static inline unsigned long long os_phys_mem(void)
+{
+	int mib[2] = { CTL_HW, HW_PHYSMEM };
+	unsigned long long mem;
+	size_t len = sizeof(mem);
+
+	sysctl(mib, 2, &mem, &len, NULL, 0);
+	return mem;
+}
 #endif