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libucontext
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test ability to pass 10 args through makecontext

pull/11/head
Bobby Bingham 2019-04-01 23:02:12 -05:00
parent 6046eb47e4
commit 94216c60c4
1 changed files with 21 additions and 2 deletions
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23
test_libucontext.c
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@ -6,13 +6,32 @@
#include <stdio.h>
#include <ucontext.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
static ucontext_t ctx[3];
static void f1 (void) {
static void check_arg(int actual, int expected) {
if (actual == expected) return;
fprintf(stderr, "argument has wrong value. got %d, expected %d.\n", actual, expected);
abort();
}
static void f1 (int a, int b, int c, int d, int e, int f, int g, int h, int i, int j) {
check_arg(a, 1);
check_arg(b, 2);
check_arg(c, 3);
check_arg(d, 4);
check_arg(e, 5);
check_arg(f, 6);
check_arg(g, 7);
check_arg(h, 8);
check_arg(i, 9);
check_arg(j, 10);
printf("start f1\n");
swapcontext(&ctx[1], &ctx[2]);
printf("finish f1\n");
@ -40,7 +59,7 @@ int main (int argc, const char *argv[]) {
ctx[1].uc_stack.ss_sp = st1;
ctx[1].uc_stack.ss_size = sizeof st1;
ctx[1].uc_link = &ctx[0];
makecontext(&ctx[1], f1, 0);
makecontext(&ctx[1], f1, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
getcontext(&ctx[2]);