diff resources/master.c @ 36:8acbab5a9f21

Remove stream buffering on stdout & stderr
author Louis 'Kureuil' Person <louis.person@epitech.eu>
date Sat, 30 Apr 2016 23:48:19 +0200
parents
children 7857f8eea835
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/master.c	Sat Apr 30 23:48:19 2016 +0200
@@ -0,0 +1,29 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <dlfcn.h>
+
+typedef int (*main_t)(int, char **, char **);
+
+int main(int argc, char **argv, char **envp)
+{
+    char *error = NULL;
+
+    setbuf(stdout, NULL);
+    setbuf(stderr, NULL);
+    if (argc < 2) {
+        fprintf(stderr, "USAGE: %s PROGRAM\nWhere PROGRAM is the user's program to supervise\n", argv[0]);
+        return EXIT_FAILURE;
+    }
+    void *userhandle = dlopen(argv[1], RTLD_LAZY);
+    if (userhandle == NULL) {
+        fprintf(stderr, "%s: %s\n", argv[0], dlerror());
+        return EXIT_FAILURE;
+    }
+    dlerror();
+    main_t usermain = dlsym(userhandle, "main");
+    if ((error = dlerror()) != NULL) {
+        fprintf(stderr, "%s: %s\n", argv[0], error);
+        return EXIT_FAILURE;
+    }
+    return usermain(argc, argv, envp);
+}
\ No newline at end of file