smalloc: don't crash on being passed a bad pointer

[fio.git] / os / os-linux.h

diff --git a/os/os-linux.h b/os/os-linux.h
index 869a25d8ee5d86c684762d91c4f7a4496f2b5d7f..e1936342bd54fceac5b61d765a86adfacfdcf970 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -15,6 +15,7 @@
 #include <linux/unistd.h>
 #include <linux/raw.h>
 #include <linux/major.h>
+#include <byteswap.h>
 
 #include "binject.h"
 #include "../file.h"
@@ -61,6 +62,8 @@ typedef struct drand48_data os_random_state_t;
 
 #define fio_cpu_clear(mask, cpu)       (void) CPU_CLR((cpu), (mask))
 #define fio_cpu_set(mask, cpu)         (void) CPU_SET((cpu), (mask))
+#define fio_cpu_isset(mask, cpu)       CPU_ISSET((cpu), (mask))
+#define fio_cpu_count(mask)            CPU_COUNT((mask))
 
 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
 {
@@ -196,13 +199,31 @@ static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
 #define FIO_O_NOATIME  0
 #endif
 
+#ifdef O_ATOMIC
+#define OS_O_ATOMIC    O_ATOMIC
+#else
+#define OS_O_ATOMIC    040000000
+#endif
+
 #ifdef MADV_REMOVE
 #define FIO_MADV_FREE  MADV_REMOVE
 #endif
 
+#if defined(__builtin_bswap16)
+#define fio_swap16(x)  __builtin_bswap16(x)
+#else
 #define fio_swap16(x)  __bswap_16(x)
+#endif
+#if defined(__builtin_bswap32)
+#define fio_swap32(x)  __builtin_bswap32(x)
+#else
 #define fio_swap32(x)  __bswap_32(x)
+#endif
+#if defined(__builtin_bswap64)
+#define fio_swap64(x)  __builtin_bswap64(x)
+#else
 #define fio_swap64(x)  __bswap_64(x)
+#endif
 
 #define CACHE_LINE_FILE        \
        "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"