0.3.0: converge relibc to upstream 0.6.0 + Red Bear patches

tests/pthread/extjoin.c

@@ -0,0 +1,68 @@
+#include <assert.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <unistd.h>
+
+#include "common.h"
+
+struct arg2 {
+    int status;
+    pthread_t t1;
+};
+
+void *routine1(void *arg) {
+    assert(arg == NULL);
+    puts("Thread 1 spawned, waiting 1s.");
+    usleep(100000);
+    puts("Thread 1 finished.");
+    return strdup("message from thread 1");
+}
+void *routine2(void *arg_raw) {
+    struct arg2 *arg = arg_raw;
+
+    puts("Thread 2 spawned, awaiting thread 1.");
+
+    void *retval_raw;
+    int status;
+
+    if ((status = pthread_join(arg->t1, &retval_raw)) != 0) {
+        arg->status = fail(status, "t1 join from thread 2");
+        return NULL;
+    }
+    char *retval = retval_raw;
+
+    assert(strcmp(retval, "message from thread 1") == 0);
+
+    free(retval);
+
+    return NULL;
+}
+
+int main(void) {
+    pthread_t t1;
+    pthread_t t2;
+
+    int status;
+
+    puts("Main thread.");
+
+    if ((status = pthread_create(&t1, NULL, routine1, NULL)) != 0) {
+        return fail(status, "t1 create");
+    }
+
+    puts("Created thread 1.");
+
+    struct arg2 arg = { .status = 0, .t1 = t1 };
+
+    if ((status = pthread_create(&t2, NULL, routine2, &arg)) != 0) {
+        return fail(status, "t2 create");
+    }
+
+    if ((status = pthread_join(t2, NULL)) != 0) {
+        return fail(status, "t2 join");
+    }
+
+    return EXIT_SUCCESS;
+}