> What have I done wrong? I can't find anything wrong, nor can about half a
Here it is:
--- /tmp/threadexamp.c Tue Apr 2 10:51:17 2002
+++ threadexamp.c Tue Apr 2 10:51:52 2002
@@ -115,7 +115,7 @@ int addque(struct que *quedata) {
int main() {
struct que quedata;
- pthread_t *pull_t;
+ pthread_t pull_t;
char *data;
quedata.head=NULL;
@@ -124,8 +124,8 @@ int main() {
// This thread adds items to our que. we detach it because we expect
// it to run forever (even though that is not the case at the
// moment).
- pthread_create(pull_t, NULL, (void *)addque, &quedata);
- pthread_detach(*pull_t);
+ pthread_create(&pull_t, NULL, (void *)addque, &quedata);
+ pthread_detach(pull_t);
while (1) {
// Try and take data off the que
You were passing pthread_create a pointer to an arbitrary memory location,
and it was writing sizeof(pthread_t) bytes to there. The program was
condemned to segfault.
Regards,
Sergey
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