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comparison jupyter_c_kernel/resources/master.c @ 73:b6b613c2a28a

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alter package structure, moving resources under parent module.
author Cody Horst <chorst@uw.edu>
date Tue, 23 Jan 2018 22:34:24 -0800
parents resources/master.c@7857f8eea835
children a1e3b056a4bd
comparison
equal deleted inserted replaced
72:40c903dde893 73:b6b613c2a28a
1 #include <stdlib.h>
2 #include <stdio.h>
3 #include <dlfcn.h>
4
5 typedef int (*main_t)(int, char **, char **);
6
7 int main(int argc, char **argv, char **envp)
8 {
9 char *error = NULL;
10
11 setbuf(stdout, NULL);
12 setbuf(stderr, NULL);
13 if (argc < 2) {
14 fprintf(stderr, "USAGE: %s PROGRAM\nWhere PROGRAM is the user's program to supervise\n", argv[0]);
15 return EXIT_FAILURE;
16 }
17 void *userhandle = dlopen(argv[1], RTLD_LAZY);
18 if (userhandle == NULL) {
19 fprintf(stderr, "%s: %s\n", argv[0], dlerror());
20 return EXIT_FAILURE;
21 }
22 dlerror();
23 main_t usermain = dlsym(userhandle, "main");
24 if ((error = dlerror()) != NULL) {
25 fprintf(stderr, "%s: %s\n", argv[0], error);
26 return EXIT_FAILURE;
27 }
28
29 /* Call Users main, but make master.c invisible by removing first argument */
30 return usermain(argc-1, argv+1, envp);
31 }