Remove unused third_party/talloc

third_party/talloc/libreplace/test/shared_mmap.c

-/* this tests whether we can use a shared writeable mmap on a file -
-   as needed for the mmap variant of FAST_SHARE_MODES */
-
-#if defined(HAVE_UNISTD_H)
-#include <unistd.h>
-#endif
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#define DATA "conftest.mmap"
-
-#ifndef MAP_FILE
-#define MAP_FILE 0
-#endif
-
-main()
-{
-        int *buf;
-        int i; 
-        int fd = open(DATA,O_RDWR|O_CREAT|O_TRUNC,0666);
-        int count=7;
-
-        if (fd == -1) exit(1);
-
-        for (i=0;i<10000;i++) {
-                write(fd,&i,sizeof(i));
-        }
-
-        close(fd);
-
-        if (fork() == 0) {
-                fd = open(DATA,O_RDWR);
-                if (fd == -1) exit(1);
-
-                buf = (int *)mmap(NULL, 10000*sizeof(int), 
-                                   (PROT_READ | PROT_WRITE), 
-                                   MAP_FILE | MAP_SHARED, 
-                                   fd, 0);
-
-                while (count-- && buf[9124] != 55732) sleep(1);
-
-                if (count <= 0) exit(1);
-
-                buf[1763] = 7268;
-                exit(0);
-        }
-
-        fd = open(DATA,O_RDWR);
-        if (fd == -1) exit(1);
-
-        buf = (int *)mmap(NULL, 10000*sizeof(int), 
-                           (PROT_READ | PROT_WRITE), 
-                           MAP_FILE | MAP_SHARED, 
-                           fd, 0);
-
-        if (buf == (int *)-1) exit(1);
-
-        buf[9124] = 55732;
-
-        while (count-- && buf[1763] != 7268) sleep(1);
-
-        unlink(DATA);
-                
-        if (count > 0) exit(0);
-        exit(1);
-}