0.3.0: converge relibc to upstream 0.6.0 + Red Bear patches

2026-07-06 19:13:08 +03:00
parent 1a0edd8eeb
commit 4ef7e57571
1466 changed files with 75236 additions and 13644 deletions
@@ -0,0 +1,85 @@
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include "test_helpers.h"
+
+int main(void) {
+    int sv[2];
+    pid_t pid;
+    char buf[64];
+    const char *parent_msg = "ping";
+    const char *child_msg = "pong";
+
+    int status = socketpair(AF_UNIX, SOCK_STREAM, 0, sv);
+    ERROR_IF(socketpair, status, == -1);
+
+    pid = fork();
+    ERROR_IF(fork, pid, == -1);
+
+    if (pid == 0) {
+        close(sv[0]);
+
+        memset(buf, 0, sizeof(buf));
+        ssize_t n = recv(sv[1], buf, sizeof(buf), 0);
+        ERROR_IF(recv, n, == -1);
+        printf("child:  received '%s'\n", buf);
+
+        n = recv(sv[1], buf, sizeof(buf), 0);
+        if (n != 0) {
+            fprintf(
+                stderr,
+                "FAILURE: Expected EOF (0) after parent shutdown, got %ld\n",
+                (long)n);
+            exit(EXIT_FAILURE);
+        }
+        printf("child:  verified EOF from parent (SHUT_WR worked)\n");
+
+        status = send(sv[1], child_msg, 5, 0);
+        ERROR_IF(send, status, == -1);
+
+        close(sv[1]);
+        exit(0);
+    } else {
+        close(sv[1]);
+
+        status = send(sv[0], parent_msg, 5, 0);
+        ERROR_IF(send, status, == -1);
+
+        status = shutdown(sv[0], SHUT_WR);
+        ERROR_IF(shutdown, status, == -1);
+        printf("parent: shutdown(SHUT_WR) performed\n");
+
+        memset(buf, 0, sizeof(buf));
+        ssize_t n = recv(sv[0], buf, sizeof(buf), 0);
+        ERROR_IF(recv, n, == -1);
+
+        if (n == 0) {
+            fprintf(stderr,
+                    "FAILURE: Parent received EOF, but expected 'pong'\n");
+            exit(EXIT_FAILURE);
+        }
+        printf("parent: received '%s' (Shutdown allows reading)\n", buf);
+
+        status = send(sv[0], "garbage", 7, MSG_NOSIGNAL);
+        if (status != -1 || errno != EPIPE) {
+            fprintf(stderr,
+                    "WARNING: Expected EPIPE on write after shutdown, got "
+                    "status %d\n",
+                    status);
+        } else {
+            printf("parent: verified EPIPE on write after shutdown\n");
+        }
+
+        close(sv[0]);
+        wait(NULL);
+    }
+
+    return 0;
+}