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comparison jupyter_c_kernel/resources/master.c @ 75:a1e3b056a4bd 1.2.2

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Merge pull request #40 from halfhorst/master add resources/ as package data committer: GitHub <noreply@github.com>
author Brendan Rius <brendan.rius@gmail.com>
date Wed, 24 Jan 2018 11:01:54 +0100
parents resources/master.c@7857f8eea835 resources/master.c@b6b613c2a28a
children
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equal deleted inserted replaced
70:eec68d0a113e 75:a1e3b056a4bd
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 }