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attemping to resolve thread_self() problems, unfinished

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Original commit message from CVS:
attemping to resolve thread_self() problems, unfinished
This commit is contained in:
Andy Wingo 2002-01-21 22:21:19 +00:00
parent 57aefd0caa
commit 89627e60d5
1 changed files with 15 additions and 19 deletions
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34
gst/cothreads/test-pth-pthreads.c
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@ -3,6 +3,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include "linuxthreads-internals.h"
#ifndef CURRENT_STACK_FRAME
#define CURRENT_STACK_FRAME ({ char __csf; &__csf; })
@ -10,20 +11,8 @@
pth_mctx_t main_context;
int threadnum = 0;
/*
int *__errno_location()
{
static pth_mctx_t ctx;
errno_shield {
pth_mctx_save (&ctx);
}
return &ctx.error;
return &main_context.error;
}
*/
void thread (char *str)
void cothread (void *unused)
{
printf ("1.1: current stack frame: %p\n", CURRENT_STACK_FRAME);
printf ("1.1: sleeping 2s in thread %d...\n", threadnum);
@ -36,18 +25,24 @@ void thread (char *str)
void pthread (void* unused)
{
pth_mctx_t ctx;
char *skaddr;
char *skaddr, *stackspace;
printf ("1: saving the main context\n");
printf ("1: current stack frame: %p\n", CURRENT_STACK_FRAME);
pth_mctx_save (&main_context);
printf ("1: %d\n", pthread_self());
stackspace = malloc(2 * 1024 * 1024);
(pthread_descr) stackspace[2 * 1024 * 1024 - sizeof (pthread_descr) -1] =
(thread_handle (pthread_self()))->h_descr;
while (1) {
skaddr = malloc (1024 * 1024);
skaddr = stackspace;
printf ("1: current stack frame: %p\n", CURRENT_STACK_FRAME);
printf ("1: spawning a new cothread\n");
pth_mctx_set (&ctx, thread, skaddr, skaddr + 1024 * 1024);
pth_mctx_set (&ctx, cothread, skaddr, skaddr + 64 * 1024);
printf ("1: new thread's stack frame will be in the heap at %p\n", skaddr);
printf ("1: current stack frame: %p\n", CURRENT_STACK_FRAME);
@ -69,9 +64,10 @@ int main (int argc, char *argv[])
printf ("0: current stack frame: %p\n", CURRENT_STACK_FRAME);
printf ("0: creating the pthread\n");
pthread_create (&tid, NULL, pthread, NULL);
printf ("0: %d\n", pthread_self());
// pthread(NULL);
// printf ("joining the pthread\n");
// pthread_join (tid, NULL);
pthread_join (tid, NULL);
printf ("0: current stack frame: %p\n", CURRENT_STACK_FRAME);
printf ("0: take five...\n");