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Self check added to sy1.

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This commit is contained in:
Geoffrey Challen
2015-12-30 10:38:18 -06:00
parent 8bf1a8bebc
commit a4ad38f616
2 changed files with 65 additions and 0 deletions
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20
kern/test/synchtest.c
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@@ -37,6 +37,10 @@
#include <thread.h>
#include <synch.h>
#include <test.h>
#include <kern/overwrite.h>
#define SUCCESS 0
#define FAIL 1
#define NSEMLOOPS 63
#define NLOCKLOOPS 120
@@ -51,6 +55,9 @@ static struct lock *testlock;
static struct cv *testcv;
static struct semaphore *donesem;
static bool semtest_status;
static unsigned long semtest_current;
static
void
inititems(void)
@@ -91,10 +98,16 @@ semtestthread(void *junk, unsigned long num)
/*
* Only one of these should print at a time.
*/
random_yielder(4);
P(testsem);
semtest_current = num;
kprintf("Thread %2lu: ", num);
for (i=0; i<NSEMLOOPS; i++) {
kprintf("%c", (int)num+64);
random_yielder(4);
if (semtest_current != num) {
semtest_status = FAIL;
}
}
kprintf("\n");
V(donesem);
@@ -109,6 +122,7 @@ semtest(int nargs, char **args)
(void)args;
inititems();
semtest_status = SUCCESS;
kprintf("Starting semaphore test...\n");
kprintf("If this hangs, it's broken: ");
P(testsem);
@@ -132,6 +146,12 @@ semtest(int nargs, char **args)
V(testsem);
V(testsem);
if (semtest_status == SUCCESS) {
kprintf("SUCCESS: %llu\n", KERNEL_SECRET);
} else {
kprintf("FAIL: %llu\n", KERNEL_SECRET);
}
kprintf("Semaphore test done.\n");
return 0;
}