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Commit558c436

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Update error message and documentation for fsync test.
1 parent46117e4 commit558c436

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2 files changed

+19
-18
lines changed

2 files changed

+19
-18
lines changed

‎src/tools/fsync/README‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,4 +2,5 @@ This program tests fsync. The tests are described as part of the program output
22

33
Usage:test_fsync [-f filename] [loops]
44

5-
Loops defaults to 1000.
5+
Loops defaults to 1000. The default output file is /var/tmp/test_fsync.out.
6+
Consider that /tmp or /var/tmp might be memory-based file systems.

‎src/tools/fsync/test_fsync.c‎

Lines changed: 17 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -59,7 +59,7 @@ main(int argc, char *argv[])
5959
strout[i]='a';
6060

6161
if ((tmpfile=open(filename,O_RDWR |O_CREAT,S_IRUSR |S_IWUSR))==-1)
62-
die("can't open/var/tmp/test_fsync.out");
62+
die("Cannot openoutput file.");
6363
write(tmpfile,strout,WAL_FILE_SIZE);
6464
fsync(tmpfile);/* fsync so later fsync's don't have to do it */
6565
close(tmpfile);
@@ -70,7 +70,7 @@ main(int argc, char *argv[])
7070
for (i=0;i<loops;i++)
7171
{
7272
if ((tmpfile=open(filename,O_RDWR))==-1)
73-
die("can't open/var/tmp/test_fsync.out");
73+
die("Cannot openoutput file.");
7474
write(tmpfile,strout,8192);
7575
close(tmpfile);
7676
}
@@ -87,12 +87,12 @@ main(int argc, char *argv[])
8787
for (i=0;i<loops;i++)
8888
{
8989
if ((tmpfile=open(filename,O_RDWR))==-1)
90-
die("can't open/var/tmp/test_fsync.out");
90+
die("Cannot openoutput file.");
9191
write(tmpfile,strout,8192);
9292
fsync(tmpfile);
9393
close(tmpfile);
9494
if ((tmpfile=open(filename,O_RDWR))==-1)
95-
die("can't open/var/tmp/test_fsync.out");
95+
die("Cannot openoutput file.");
9696
/* do nothing but the open/close the tests are consistent. */
9797
close(tmpfile);
9898
}
@@ -106,12 +106,12 @@ main(int argc, char *argv[])
106106
for (i=0;i<loops;i++)
107107
{
108108
if ((tmpfile=open(filename,O_RDWR))==-1)
109-
die("can't open/var/tmp/test_fsync.out");
109+
die("Cannot openoutput file.");
110110
write(tmpfile,strout,8192);
111111
close(tmpfile);
112112
/* reopen file */
113113
if ((tmpfile=open(filename,O_RDWR))==-1)
114-
die("can't open/var/tmp/test_fsync.out");
114+
die("Cannot openoutput file.");
115115
fsync(tmpfile);
116116
close(tmpfile);
117117
}
@@ -124,7 +124,7 @@ main(int argc, char *argv[])
124124

125125
/* 16k o_sync write */
126126
if ((tmpfile=open(filename,O_RDWR |OPEN_SYNC_FLAG))==-1)
127-
die("can't open/var/tmp/test_fsync.out");
127+
die("Cannot openoutput file.");
128128
gettimeofday(&start_t,NULL);
129129
for (i=0;i<loops;i++)
130130
write(tmpfile,strout,16384);
@@ -136,7 +136,7 @@ main(int argc, char *argv[])
136136

137137
/* 2*8k o_sync writes */
138138
if ((tmpfile=open(filename,O_RDWR |OPEN_SYNC_FLAG))==-1)
139-
die("can't open/var/tmp/test_fsync.out");
139+
die("Cannot openoutput file.");
140140
gettimeofday(&start_t,NULL);
141141
for (i=0;i<loops;i++)
142142
{
@@ -154,7 +154,7 @@ main(int argc, char *argv[])
154154
#ifdefOPEN_DATASYNC_FLAG
155155
/* open_dsync, write */
156156
if ((tmpfile=open(filename,O_RDWR |O_DSYNC))==-1)
157-
die("can't open/var/tmp/test_fsync.out");
157+
die("Cannot openoutput file.");
158158
gettimeofday(&start_t,NULL);
159159
for (i=0;i<loops;i++)
160160
write(tmpfile,strout,8192);
@@ -169,7 +169,7 @@ main(int argc, char *argv[])
169169

170170
/* open_fsync, write */
171171
if ((tmpfile=open(filename,O_RDWR |OPEN_SYNC_FLAG))==-1)
172-
die("can't open/var/tmp/test_fsync.out");
172+
die("Cannot openoutput file.");
173173
gettimeofday(&start_t,NULL);
174174
for (i=0;i<loops;i++)
175175
write(tmpfile,strout,8192);
@@ -182,7 +182,7 @@ main(int argc, char *argv[])
182182
#ifdefHAVE_FDATASYNC
183183
/* write, fdatasync */
184184
if ((tmpfile=open(filename,O_RDWR))==-1)
185-
die("can't open/var/tmp/test_fsync.out");
185+
die("Cannot openoutput file.");
186186
gettimeofday(&start_t,NULL);
187187
for (i=0;i<loops;i++)
188188
{
@@ -200,7 +200,7 @@ main(int argc, char *argv[])
200200

201201
/* write, fsync, close */
202202
if ((tmpfile=open(filename,O_RDWR))==-1)
203-
die("can't open/var/tmp/test_fsync.out");
203+
die("Cannot openoutput file.");
204204
gettimeofday(&start_t,NULL);
205205
for (i=0;i<loops;i++)
206206
{
@@ -218,7 +218,7 @@ main(int argc, char *argv[])
218218
#ifdefOPEN_DATASYNC_FLAG
219219
/* open_dsync, write */
220220
if ((tmpfile=open(filename,O_RDWR |O_DSYNC))==-1)
221-
die("can't open/var/tmp/test_fsync.out");
221+
die("Cannot openoutput file.");
222222
gettimeofday(&start_t,NULL);
223223
for (i=0;i<loops;i++)
224224
{
@@ -236,7 +236,7 @@ main(int argc, char *argv[])
236236

237237
/* open_fsync, write */
238238
if ((tmpfile=open(filename,O_RDWR |OPEN_SYNC_FLAG))==-1)
239-
die("can't open/var/tmp/test_fsync.out");
239+
die("Cannot openoutput file.");
240240
gettimeofday(&start_t,NULL);
241241
for (i=0;i<loops;i++)
242242
{
@@ -252,7 +252,7 @@ main(int argc, char *argv[])
252252
#ifdefHAVE_FDATASYNC
253253
/* write, fdatasync */
254254
if ((tmpfile=open(filename,O_RDWR))==-1)
255-
die("can't open/var/tmp/test_fsync.out");
255+
die("Cannot openoutput file.");
256256
gettimeofday(&start_t,NULL);
257257
for (i=0;i<loops;i++)
258258
{
@@ -271,7 +271,7 @@ main(int argc, char *argv[])
271271

272272
/* write, fsync, close */
273273
if ((tmpfile=open(filename,O_RDWR))==-1)
274-
die("can't open/var/tmp/test_fsync.out");
274+
die("Cannot openoutput file.");
275275
gettimeofday(&start_t,NULL);
276276
for (i=0;i<loops;i++)
277277
{
@@ -306,6 +306,6 @@ print_elapse(struct timeval start_t, struct timeval elapse_t)
306306
void
307307
die(char*str)
308308
{
309-
fprintf(stderr,"%s",str);
309+
fprintf(stderr,"%s\n",str);
310310
exit(1);
311311
}

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