Merge branch 'master' of github.com:blegat/benchmark

file/file.c

@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
+#include <unistd.h>
 
 #include "benchmark.h"
 

fork/fork.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 // mesure copy-on-write, also with pthread
 

io/io.c

@@ -11,8 +11,14 @@
 #define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <fcntl.h>
 
+#ifndef O_DIRECT
+#warning O_DIRECT not defined on this platform
+#define O_DIRECT 0
+#endif
+
 #include "benchmark.h"
 #include "copy.h"
 

lib/copy.c

@@ -119,7 +119,9 @@ void read_write (timer *t, recorder *rec, char *in, char *out,
   char *s = NULL;
   err = posix_memalign((void **) &s, 512, len);
   if (err != 0) {
-    error(0, err, "posix_memalign");
+    // The value of errno is indeterminate after a call to posix_memalign()
+    errno = err; // so set it to use perror()
+    perror("posix_memalign");
     exit(EXIT_FAILURE);
   }
 

mmap/mmap.c

@@ -5,6 +5,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #include "benchmark.h"
 #include "copy.h"

mutsem/mutsem.c

@@ -30,6 +30,7 @@
 #include <string.h>
 #include <semaphore.h>	
 #include <pthread.h>
+#include <unistd.h>
 
 #include "benchmark.h"
 

thread/thread.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <pthread.h>
 
 #include "benchmark.h"