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eventtest.c: detect write failure and avoid dead stores

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* tests/eventtest.c (mymain): Exit nonzero upon write failure.
This also avoids several dead stores of the form ret = safewrite...
This commit is contained in:
Jim Meyering 2009-09-03 18:25:03 +02:00
parent 198bd0516a
commit 25b20b7103
1 changed files with 11 additions and 7 deletions
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18
tests/eventtest.c
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@ -248,7 +248,6 @@ resetAll(void)
static int static int
mymain(int argc, char **argv) mymain(int argc, char **argv)
{ {
int ret = 0;
char *progname; char *progname;
int i; int i;
pthread_t eventThread; pthread_t eventThread;
@ -304,7 +303,8 @@ mymain(int argc, char **argv)
/* First time, is easy - just try triggering one of our /* First time, is easy - just try triggering one of our
* registered handles */ * registered handles */
startJob("Simple write", &test); startJob("Simple write", &test);
ret = safewrite(handles[1].pipeFD[1], &one, 1); if (safewrite(handles[1].pipeFD[1], &one, 1) != 1)
return EXIT_FAILURE;
if (finishJob(1, -1) != EXIT_SUCCESS) if (finishJob(1, -1) != EXIT_SUCCESS)
return EXIT_FAILURE; return EXIT_FAILURE;
@ -314,7 +314,8 @@ mymain(int argc, char **argv)
* try triggering another handle */ * try triggering another handle */
virEventRemoveHandleImpl(handles[0].watch); virEventRemoveHandleImpl(handles[0].watch);
startJob("Deleted before poll", &test); startJob("Deleted before poll", &test);
ret = safewrite(handles[1].pipeFD[1], &one, 1); if (safewrite(handles[1].pipeFD[1], &one, 1) != 1)
return EXIT_FAILURE;
if (finishJob(1, -1) != EXIT_SUCCESS) if (finishJob(1, -1) != EXIT_SUCCESS)
return EXIT_FAILURE; return EXIT_FAILURE;
@ -346,8 +347,9 @@ mymain(int argc, char **argv)
* about */ * about */
startJob("Deleted during dispatch", &test); startJob("Deleted during dispatch", &test);
handles[2].delete = handles[3].watch; handles[2].delete = handles[3].watch;
ret = safewrite(handles[2].pipeFD[1], &one, 1); if (safewrite(handles[2].pipeFD[1], &one, 1) != 1
ret = safewrite(handles[3].pipeFD[1], &one, 1); || safewrite(handles[3].pipeFD[1], &one, 1) != 1)
return EXIT_FAILURE;
if (finishJob(2, -1) != EXIT_SUCCESS) if (finishJob(2, -1) != EXIT_SUCCESS)
return EXIT_FAILURE; return EXIT_FAILURE;
@ -356,7 +358,8 @@ mymain(int argc, char **argv)
/* Extreme fun, lets delete ourselves during dispatch */ /* Extreme fun, lets delete ourselves during dispatch */
startJob("Deleted during dispatch", &test); startJob("Deleted during dispatch", &test);
handles[2].delete = handles[2].watch; handles[2].delete = handles[2].watch;
ret = safewrite(handles[2].pipeFD[1], &one, 1); if (safewrite(handles[2].pipeFD[1], &one, 1) != 1)
return EXIT_FAILURE;
if (finishJob(2, -1) != EXIT_SUCCESS) if (finishJob(2, -1) != EXIT_SUCCESS)
return EXIT_FAILURE; return EXIT_FAILURE;
@ -446,7 +449,8 @@ mymain(int argc, char **argv)
testPipeReader, testPipeReader,
&handles[1], NULL); &handles[1], NULL);
startJob("Write duplicate", &test); startJob("Write duplicate", &test);
ret = safewrite(handles[1].pipeFD[1], &one, 1); if (safewrite(handles[1].pipeFD[1], &one, 1) != 1)
return EXIT_FAILURE;
if (finishJob(1, -1) != EXIT_SUCCESS) if (finishJob(1, -1) != EXIT_SUCCESS)
return EXIT_FAILURE; return EXIT_FAILURE;