Initial commit

This commit is contained in:
Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
789 changed files with 95825 additions and 0 deletions

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/*
* Test mmap/munmap posix calls.
*
* Copyright (C) 2007 - 2008 Bahadir Balban
*/
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <tests.h>
#define PAGE_SIZE 0x1000
int mmaptest(void)
{
int fd;
void *base;
int x = 0x1000;
if ((fd = open("./newfile.txt", O_CREAT | O_TRUNC | O_RDWR, S_IRWXU)) < 0)
perror("open:");
else
printf("open: Success.\n");
/* Extend the file */
if ((int)lseek(fd, PAGE_SIZE*16, SEEK_SET) < 0)
perror("lseek");
else
printf("lseek: Success.\n");
if (write(fd, &x, sizeof(x)) < 0)
perror("write");
else
printf("write: Success.\n");
if ((int)(base = mmap(0, PAGE_SIZE*16, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) < 0)
perror("mmap");
else
printf("mmap: Success: %p\n", base);
*(unsigned int *)(base + PAGE_SIZE*2) = 0x1000;
if (msync(base + PAGE_SIZE*2, PAGE_SIZE, MS_SYNC) < 0)
perror("msync");
else
printf("msync: Success: %p\n", base);
if (munmap(base + PAGE_SIZE*2, PAGE_SIZE) < 0)
perror("munmap");
else
printf("munmap: Success: %p\n", base);
*(unsigned int *)(base + PAGE_SIZE*3) = 0x1000;
*(unsigned int *)(base + PAGE_SIZE*1) = 0x1000;
return 0;
}

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/*
* Test mmap/munmap posix calls.
*
* Copyright (C) 2007 - 2008 Bahadir Balban
*/
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include <tests.h>
#define PAGE_SIZE 0x1000
int mmaptest(void)
{
int fd;
void *base;
int x = 0x1000;
if ((fd = open("./newfile.txt", O_CREAT | O_TRUNC | O_RDWR, S_IRWXU)) < 0)
perror("open:");
else
printf("open: Success.\n");
/* Extend the file */
if ((int)lseek(fd, PAGE_SIZE*16, SEEK_SET) < 0)
perror("lseek");
else
printf("lseek: Success.\n");
if (write(fd, &x, sizeof(x)) < 0)
perror("write");
else
printf("write: Success.\n");
if ((int)(base = mmap(0, PAGE_SIZE*16, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) < 0)
perror("mmap");
else
printf("mmap: Success: %p\n", base);
*(unsigned int *)(base + PAGE_SIZE*2) = 0x1000;
if (msync(base + PAGE_SIZE*2, PAGE_SIZE, MS_SYNC) < 0)
perror("msync");
else
printf("msync: Success: %p\n", base);
if (munmap(base + PAGE_SIZE*2, PAGE_SIZE) < 0)
perror("munmap");
else
printf("munmap: Success: %p\n", base);
*(unsigned int *)(base + PAGE_SIZE*3) = 0x1000;
*(unsigned int *)(base + PAGE_SIZE*1) = 0x1000;
return 0;
}

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tasks/test1/src/shmtest.c Normal file
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/*
* Test shmget/shmat/shmdt posix calls.
*
* Copyright (C) 2007 - 2008 Bahadir Balban
*/
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <tests.h>
int shmtest(void)
{
//key_t keys[2] = { 5, 10000 };
key_t keys[2] = { 2, 3 };
void *bases[2] = { 0 , 0 };
int shmids[2];
printf("Initiating shmget()\n");
for (int i = 0; i < 2; i++) {
if ((shmids[i] = shmget(keys[i], 27, IPC_CREAT | 0666)) < 0) {
printf("Call failed.\n");
perror("SHMGET");
} else
printf("SHMID returned: %d\n", shmids[i]);
}
printf("Now shmat()\n");
for (int i = 0; i < 2; i++) {
if ((int)(bases[i] = shmat(shmids[i], NULL, 0)) == -1)
perror("SHMAT");
else
printf("SHM base address returned: %p\n", bases[i]);
}
printf("Now shmdt()\n");
for (int i = 0; i < 2; i++) {
if (shmdt(bases[i]) < 0)
perror("SHMDT");
else
printf("SHM detached OK.\n");
}
printf("Now shmat() again\n");
for (int i = 0; i < 2; i++) {
if ((int)(bases[i] = shmat(shmids[i], NULL, 0)) == -1)
perror("SHMAT");
else
printf("SHM base address returned: %p\n", bases[i]);
}
return 0;
}