diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /nsprpub/pr/tests/fsync.c | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | nsprpub/pr/tests/fsync.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/nsprpub/pr/tests/fsync.c b/nsprpub/pr/tests/fsync.c new file mode 100644 index 0000000000..3e0fb175c1 --- /dev/null +++ b/nsprpub/pr/tests/fsync.c @@ -0,0 +1,130 @@ +/* -*- 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: ./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; +} |