xnu-2782.1.97.tar.gz

[apple/xnu.git] / tools / tests / perf_index / stress_file_write.c

diff --git a/tools/tests/perf_index/stress_file_write.c b/tools/tests/perf_index/stress_file_write.c
deleted file mode 100644 (file)
index fc87fda..0000000
--- a/tools/tests/perf_index/stress_file_write.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <fcntl.h>
-#include "perf_index.h"
-#include <errno.h>
-
-#define MAXFILESIZE 8589934592L
-
-static int *fds = NULL;
-static char writebuff[4096];
-
-void stress_file_write_init(const char *fs_path, int num_threads, long long length) {
-  int i;
-  char filepath[MAXPATHLEN];
-
-  if(fds == NULL)
-    fds = (int*)malloc(sizeof(int)*num_threads);
-  for(i=0; i<num_threads; i++) {
-    snprintf(filepath, sizeof(filepath), "%s/file_write-%d", fs_path, i);
-    fds[i] = open(filepath, O_CREAT | O_EXCL | O_WRONLY, 0644);
-    assert(fds[i] > 0);
-  }
-  bzero(writebuff, sizeof(writebuff));
-}
-
-void stress_file_write(const char *fs_path, int thread_id, int num_threads, long long length, long long max_file_size) {
-  long long left;
-  size_t file_offset = 0;
-  int writelen;
-  char filepath[MAXPATHLEN];
-  int fd = fds[thread_id];
-
-  if(max_file_size == 0)
-    max_file_size = MAXFILESIZE;
-
-  for(left=length; left>0;) {
-    writelen = sizeof(writebuff) < left ? sizeof(writebuff) : left;
-    assert(write(fd, writebuff, writelen) == writelen);
-    left -= writelen;
-    file_offset += writelen;
-    if(file_offset>max_file_size/num_threads) {
-      lseek(fd, 0, SEEK_SET);
-      file_offset = 0;
-    }
-  }
-  snprintf(filepath, sizeof(filepath), "%s/file_write-%d", fs_path, thread_id);
-  assert(unlink(filepath)>=0);
-}