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test:test51 add a few more tests for calling setcontext.

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Change-Id: I272ac01c77537b80bab328aae1acd7b6ce6027fb
This commit is contained in:
Kees Jongenburger 2014-03-25 16:03:06 +01:00 committed by Lionel Sambuc
parent 1035348df8
commit 0673998dad
1 changed files with 49 additions and 4 deletions
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53
test/test51.c
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@ -13,11 +13,7 @@
#include <string.h>
#include <ucontext.h>
#include <math.h>
#ifndef __arm__
#include <fenv.h>
#else
#include <ieeefp.h>
#endif
#include <sys/signal.h>
@ -200,6 +196,19 @@ void verify_main_reenter(void)
if (reentered_main == 0) err(4, 1);
}
int set_context_test_value;
void set_context_test_thread1(void){
set_context_test_value |= 0x1;
setcontext(&ctx[2]);
err(1, 24);
}
void set_context_test_thread2(void){
set_context_test_value |= 0x1 << 1;
setcontext(&ctx[0]);
err(1, 23);
}
int main(void)
{
@ -317,6 +326,42 @@ int main(void)
makecontext(&ctx[2], (void (*) (void)) do_child, 0);
if (swapcontext(&ctx[0], &ctx[2]) == -1) err(1, 16);
/* test setcontext first do some cleanup */
free(ctx[1].uc_stack.ss_sp);
free(ctx[2].uc_stack.ss_sp);
memset(&ctx[0],0,sizeof(ucontext_t));
memset(&ctx[1],0,sizeof(ucontext_t));
memset(&ctx[2],0,sizeof(ucontext_t));
/* create 3 new contexts */
volatile int cb =1;
/* control will be returned here */
set_context_test_value = 0;
if (getcontext(&ctx[0]) != 0) err(1, 17);
if (set_context_test_value != 0x3) err(1, 20);
if (cb == 1) {
cb =0;
if (getcontext(&ctx[1]) != 0) err(1, 18);
if (getcontext(&ctx[2]) != 0) err(1, 19);
// allocate new stacks */
ctx[1].uc_stack.ss_sp = malloc(SSIZE);
ctx[1].uc_stack.ss_size = SSIZE;
ctx[2].uc_stack.ss_sp = malloc(SSIZE);
ctx[2].uc_stack.ss_size = SSIZE;
makecontext(&ctx[1],set_context_test_thread1,0);
makecontext(&ctx[2],set_context_test_thread2,0);
if( setcontext(&ctx[1]) != 0){
err(1, 21);
}
err(1, 22);
}
quit();
return(-1);
}