- Add test52 to test FPU context switching
- Make test/run count how many tests it's going to perform instead of having to manually update it ourselves.
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cfd28b671a
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4ae9c03147
3 changed files with 210 additions and 8 deletions
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@ -4,6 +4,7 @@ CC = exec cc
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GCC = /usr/gnu/bin/gcc
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CFLAGS= -O -D_MINIX -D_POSIX_SOURCE
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CFLAGS-GCC= $(CFLAGS) -Wall
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CFLAGS-GCCFPU= $(CFLAGS) -Wall -mhard-float
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CFLAGS-GCCFPU= $(CFLAGS-GCC) -W -mhard-float
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OBJ= test1 test2 test3 test4 test5 test6 test7 test8 test9 \
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@ -11,12 +12,12 @@ OBJ= test1 test2 test3 test4 test5 test6 test7 test8 test9 \
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test21 test22 test23 test25 test26 test27 test28 test29 \
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test30 test31 test32 test34 test35 test36 test37 test38 \
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test39 t10a t11a t11b test40 t40a t40b t40c t40d t40e t40f test41 \
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test42 test44 test45 test47 test48 test49 test50 test51
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test42 test44 test45 test47 test48 test49 test50 test51 test52
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BIGOBJ= test20 test24
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ROOTOBJ= test11 test33 test43 test46
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GCCOBJ= test45-gcc test49-gcc
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GCCFPUOBJ= test51-gcc
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GCCFPUOBJ= test51-gcc test52-gcc
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all: $(OBJ) $(BIGOBJ) $(GCCOBJ) $(GCCFPUOBJ) $(ROOTOBJ)
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chmod 755 *.sh run
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@ -106,4 +107,6 @@ test49-gcc: test49.c
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test50: test50.c
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test51: test51.c
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test51-gcc: test51.c
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test52: test52.c
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test52-gcc: test52.c
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19
test/run
19
test/run
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@ -11,15 +11,26 @@ skipped=`expr 0` # count number of tests that were skipped
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total=`expr 0` # total number of tests tried
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badones= # list of tests that failed
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tests=" 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
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21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
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41 42 43 44 45 45-gcc 46 47 48 49 49-gcc 50 \
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51 51-gcc 52 52-gcc \
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sh1.sh sh2.sh"
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tests_no=`expr 0`
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for i in `echo $tests`; do
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if [ -x ./test$i ]; then
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tests_no=`expr $tests_no + 1`
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fi
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done
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# Print test welcome message
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clr
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echo "Running POSIX compliance test suite. There are 56 tests in total."
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echo "Running POSIX compliance test suite. There are $tests_no tests in total."
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echo " "
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# Run all the tests, keeping track of who failed.
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for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
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21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
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41 42 43 44 45 45-gcc 46 47 48 49 49-gcc 50 51 51-gcc sh1.sh sh2.sh
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for i in `echo $tests`
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do
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if [ -x ./test$i ]
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then
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188
test/test52.c
Normal file
188
test/test52.c
Normal file
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@ -0,0 +1,188 @@
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#define _POSIX_SOURCE 1
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <math.h>
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#define ROUNDS 20
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#define SWAPS 40
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#define MAX_ERROR 5
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int pipefdc[2];
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int pipefdp[2];
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int subtest = 0, errct = 0;
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int child_is_dead = 0;
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void dead_child(int n);
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void do_child(void);
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void do_parent(void);
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void do_calcs(void);
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void err(int n);
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void quit(void);
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void err(int n)
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{
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printf("Subtest %d, error %d\n", subtest, n);
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if (errct++ > MAX_ERROR) {
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printf("Too many errors; test aborted\n");
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exit(1);
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}
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}
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void quit(void)
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{
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if (errct == 0) {
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printf("ok\n");
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exit(0);
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} else {
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printf("%d errors\n", errct);
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exit(1);
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}
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}
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void do_calcs(void)
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{
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float a, b, c, d, e;
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float foo, bar;
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int i;
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subtest = 3;
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a = 1.1;
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b = 2.2;
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c = 3.3;
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d = 4.4;
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e = 5.5;
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foo = a * b; /* 2.42 */
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bar = c * d; /* 14.52 */
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i = 0;
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while(i < ROUNDS) {
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foo += c; /* 5.72 */
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foo *= d; /* 25.168 */
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foo /= e; /* 4.5760 */
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bar -= a; /* 13.42 */
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bar *= b; /* 29.524 */
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bar /= e; /* 5.3680 */
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/* Undo */
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foo *= e;
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foo /= d;
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foo -= c;
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bar *= e;
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bar /= b;
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bar += a;
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i++;
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}
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if (fabs(foo - (a * b)) > 0.0001) err(1);
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if (fabs(bar - (c * d)) > 0.0001) err(2);
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}
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void dead_child(int n)
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{
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int status;
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subtest = 4;
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n = n;
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if (wait(&status) == -1) err(1);
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if (!WIFEXITED(status)) {
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err(2);
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quit();
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} else {
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errct += WEXITSTATUS(status);
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child_is_dead = 1;
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}
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}
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void do_child(void)
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{
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char buf[2];
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int s;
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s = 0;
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close(pipefdp[0]);
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close(pipefdc[1]);
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while(s < SWAPS) {
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do_calcs();
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/* Wake up parent */
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write(pipefdp[1], buf, 1);
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/* Wait for parent to wake me up */
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read(pipefdc[0], buf, 1);
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s++;
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}
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exit(0);
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}
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void do_parent(void)
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{
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int s;
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char buf[2];
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struct sigaction sa;
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subtest = 2;
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sa.sa_handler = dead_child;
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sa.sa_flags = 0;
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if (sigaction(SIGCHLD, &sa, NULL) == -1) err(1);
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s = 0;
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close(pipefdp[1]);
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close(pipefdc[0]);
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while(s < SWAPS) {
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/* Wait for child to wake me up */
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read(pipefdp[0], buf, 1);
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do_calcs();
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/* Wake up child */
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write(pipefdc[1], buf, 1);
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s++;
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}
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while(child_is_dead == 0) { fflush(stdout); } /* Busy wait */
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quit();
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}
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int main(void)
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{
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pid_t r;
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subtest = 1;
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#ifdef __GNUC__
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printf("Test 52 (GCC) ");
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#else
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printf("Test 52 (ACK) ");
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#endif
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fflush(stdout);
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if (pipe(pipefdc) == -1) err(1);
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if (pipe(pipefdp) == -1) err(2);
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r = fork();
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if(r < 0) {
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err(3);
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} else if(r == 0) {
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/* Child */
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do_child();
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} else {
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/* Parent */
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do_parent();
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}
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return(0); /* Never reached */
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}
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