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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /nsprpub/pr/tests/fsync.c
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'nsprpub/pr/tests/fsync.c')
-rw-r--r--nsprpub/pr/tests/fsync.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/fsync.c b/nsprpub/pr/tests/fsync.c
new file mode 100644
index 000000000..01c71c4c6
--- /dev/null
+++ b/nsprpub/pr/tests/fsync.c
@@ -0,0 +1,123 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "prio.h"
+#include "prmem.h"
+#include "prprf.h"
+#include "prinrval.h"
+
+#include "plerror.h"
+#include "plgetopt.h"
+
+static PRFileDesc *err = NULL;
+
+static void Help(void)
+{
+ PR_fprintf(err, "Usage: [-S] [-K <n>] [-h] <filename>\n");
+ PR_fprintf(err, "\t-c Nuber of iterations (default: 10)\n");
+ PR_fprintf(err, "\t-S Sync the file (default: FALSE)\n");
+ PR_fprintf(err, "\t-K Size of file (K bytes) (default: 10)\n");
+ PR_fprintf(err, "\t Name of file to write (default: /usr/tmp/sync.dat)\n");
+ PR_fprintf(err, "\t-h This message and nothing else\n");
+} /* Help */
+
+int main(int argc, char **argv)
+{
+ PRStatus rv;
+ PLOptStatus os;
+ PRUint8 *buffer;
+ PRFileDesc *file = NULL;
+ const char *filename = "sync.dat";
+ PRUint32 index, loops, iterations = 10, filesize = 10;
+ PRIntn flags = PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE;
+ PLOptState *opt = PL_CreateOptState(argc, argv, "hSK:c:");
+ PRIntervalTime time, total = 0, shortest = 0x7fffffff, longest = 0;
+
+ err = PR_GetSpecialFD(PR_StandardError);
+
+ while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
+ {
+ if (PL_OPT_BAD == os) continue;
+ switch (opt->option)
+ {
+ case 0: /* Name of file to create */
+ filename = opt->value;
+ break;
+ case 'S': /* Use sych option on file */
+ flags |= PR_SYNC;
+ break;
+ case 'K': /* Size of file to write */
+ filesize = atoi(opt->value);
+ break;
+ case 'c': /* Number of iterations */
+ iterations = atoi(opt->value);
+ break;
+ case 'h': /* user wants some guidance */
+ default: /* user needs some guidance */
+ Help(); /* so give him an earful */
+ return 2; /* but not a lot else */
+ }
+ }
+ PL_DestroyOptState(opt);
+
+ file = PR_Open(filename, flags, 0666);
+ if (NULL == file)
+ {
+ PL_FPrintError(err, "Failed to open file");
+ return 1;
+ }
+
+ buffer = (PRUint8*)PR_CALLOC(1024);
+ if (NULL == buffer)
+ {
+ PL_FPrintError(err, "Cannot allocate buffer");
+ return 1;
+ }
+
+ for (index = 0; index < sizeof(buffer); ++index)
+ buffer[index] = (PRUint8)index;
+
+ for (loops = 0; loops < iterations; ++loops)
+ {
+ time = PR_IntervalNow();
+ for (index = 0; index < filesize; ++index)
+ {
+ PR_Write(file, buffer, 1024);
+ }
+ time = (PR_IntervalNow() - time);
+
+ total += time;
+ if (time < shortest) shortest = time;
+ else if (time > longest) longest = time;
+ if (0 != PR_Seek(file, 0, PR_SEEK_SET))
+ {
+ PL_FPrintError(err, "Rewinding file");
+ return 1;
+ }
+ }
+
+ total = total / iterations;
+ PR_fprintf(
+ err, "%u iterations over a %u kbyte %sfile: %u [%u] %u\n",
+ iterations, filesize, ((flags & PR_SYNC) ? "SYNCH'd " : ""),
+ PR_IntervalToMicroseconds(shortest),
+ PR_IntervalToMicroseconds(total),
+ PR_IntervalToMicroseconds(longest));
+
+ PR_DELETE(buffer);
+ rv = PR_Close(file);
+ if (PR_SUCCESS != rv)
+ {
+ PL_FPrintError(err, "Closing file failed");
+ return 1;
+ }
+ rv = PR_Delete(filename);
+ if (PR_SUCCESS != rv)
+ {
+ PL_FPrintError(err, "Deleting file failed");
+ return 1;
+ }
+ return 0;
+}